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byot.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>BYOT!</title>
<style>
.warning {
color: red;
font-weight: bold;
}
</style>
</head>
<body>
<h1>Build your own treap!</h1>
<!-- Instructions -->
<div>
Usage: click on stuff u want, don't click on stuff you don't want. <br>
You can right click a disabled checkbox/dropdown to enable all its prerequisites. <br>
Half this site is written by ChatGPT so don't judge too harshly. <br>
If you have any suggestions or find any bugs (highly likely), leave a comment on the blog. <br>
<br>
See the <a href="https://codeforces.com/blog/entry/136858" target="_blank">codeforces blog post</a> for usage examples.
<br>
</div>
<hr>
<a href="https://caterpillow.github.io/byot">Basic treap</a> <a href="https://caterpillow.github.io/byot2">Array-based treap</a>
<hr>
<style>
.container {
display: flex;
flex-wrap: wrap;
gap: 20px;
}
.column {
flex: 1;
min-width: 300px; /* Adjust based on preference */
}
.column div {
margin-bottom: 20px; /* Space between sections */
}
</style>
<div class="container">
<!-- Column 1 -->
<div class="column">
<!-- Misc -->
<div>
<label><input type="checkbox" id="signature" checked> Include site tag (pls)</label><br>
<label><input type="checkbox" id="comments" checked> Include comments</label><br>
<label><input type="checkbox" id="template"> Include template (for testing)</label><br>
</div>
<hr>
<!-- Namespace and typedef options -->
<div>
<label><input type="checkbox" id="use_namespace_std" checked> Use namespace std</label><br>
<label><input type="checkbox" id="use_ll_typedef" checked> Use ll = long long</label><br>
<label><input type="checkbox" id="namespace_treap"> Wrap in namespace Treap</label><br>
</div>
<hr>
<!-- Tab character selection -->
<div>
<label for="tab_char">Choose tab character:</label>
<select id="tab_char">
<option value="2spaces">2 spaces</option>
<option value="3spaces">3 spaces</option>
<option value="4spaces" selected>4 spaces</option>
<option value="8spaces">8 spaces (wtf)</option>
<option value="tab">Tab</option>
</select>
</div>
<hr>
<!-- Range type -->
<div>
<label for="range_type">Choose range type:</label>
<select id="range_type">
<option value="inc exc" selected>inc exc</option>
<option value="inc inc">inc inc</option>
</select>
</div>
<hr>
<!-- Merge option -->
<div>
<label><input type="checkbox" id="merge_option"> Include merge</label><br>
<label><input type="checkbox" id="n_merge_option"> Include n-way merge</label><br>
<label><input type="checkbox" id="plus_merge_option"> Include + merge</label><br>
</div>
<hr>
<!-- Key type selection (none, int, long long) -->
<div>
<label for="key_type">Choose key type:</label>
<select id="key_type">
<option value="none">None</option>
<option value="int">int</option>
<option value="long long">long long</option>
<option value="T">T</option>
</select>
<br>
<label><input type="checkbox" id="split_option"> Include split</label><br>
<label><input type="checkbox" id="three_split_option"> Include 3-way split</label><br>
<label><input type="checkbox" id="find_option"> Include find</label><br>
<label><input type="checkbox" id="ins_option"> Include point insert</label><br>
<label><input type="checkbox" id="del_option"> Include point deletion</label><br>
<label><input type="checkbox" id="del_all_option"> Include multi key deletion</label><br>
<label><input type="checkbox" id="mod_option"> Include point modification</label><br>
</div>
<hr>
<!-- Size option -->
<div>
<label><input type="checkbox" id="size_option"> Include size</label><br>
<label><input type="checkbox" id="spliti_option"> Include split by index</label><br>
<label><input type="checkbox" id="three_spliti_option"> Include 3-way split by index</label><br>
<label><input type="checkbox" id="findi_option"> Include find by index</label><br>
<label><input type="checkbox" id="insi_option"> Include point insert by index</label><br>
<label><input type="checkbox" id="deli_option"> Include point deletion by index</label><br>
<label><input type="checkbox" id="modi_option"> Include point modification by index</label><br>
<label><input type="checkbox" id="rot_option"> Include rotation</label><br>
</div>
<hr>
<div>
<label><input type="checkbox" id="partition_key"> Find partition key </label><br>
<label><input type="checkbox" id="partition_index"> Find partition index </label><br>
<label><input type="checkbox" id="cumulative_partition_key"> Find cumulative partition key </label><br>
<label><input type="checkbox" id="cumulative_partition_index"> Find cumulative partition index </label><br>
</div>
</div>
<!-- Column 2 -->
<div class="column">
<!-- More misc -->
<div>
<label><input type="checkbox" id="max_option"> Include max</label><br>
<label><input type="checkbox" id="min_option"> Include min</label><br>
<label><input type="checkbox" id="unite_option"> Include treap union (amortization)</label><br>
<label><input type="checkbox" id="unite_fast_option"> Include treap union (brute)</label><br>
<label><input type="checkbox" id="heapify_option"> Include heapify</label><br>
<label><input type="checkbox" id="build_option"> Include build</label><br>
<label><input type="checkbox" id="tour_option"> Include tour</label><br>
</div>
<hr>
<!-- Dropdown for value type -->
<div>
<label><input type="checkbox" id="enable_value"> Enable value</label><br>
</div>
<hr>
<!-- Range aggregates -->
<div>
<label for="val_type">Choose value type:</label>
<select id="val_type">
<option value="none">None</option>
<option value="int">int</option>
<option value="long long">long long</option>
</select><br>
<label><input type="checkbox" id="range_agg"> Include range aggregates</label><br>
<label><input type="checkbox" id="range_sum"> Include range sum</label><br>
<label><input type="checkbox" id="range_max"> Include range max</label><br>
<label><input type="checkbox" id="range_min"> Include range min</label><br>
<br>
<label><input type="checkbox" id="key_sum"> Include key sum</label><br>
</div>
<hr>
<!-- Lazy propagation -->
<div>
<label><input type="checkbox" id="lazy_prop"> Include lazy propagation</label><br>
<label><input type="checkbox" id="range_reverse_key"> Include range reverse (key)</label><br>
<label><input type="checkbox" id="range_reverse_index"> Include range reverse (index)</label><br>
<label><input type="checkbox" id="range_add"> Include range add</label><br>
<label><input type="checkbox" id="range_set"> Include range set</label><br>
<br>
<label><input type="checkbox" id="key_add"> Include key add</label><br>
<label><input type="checkbox" id="key_set"> Include key set</label><br>
</div>
<hr>
<!-- Range updates -->
<div>
<label><input type="checkbox" id="range_update_key"> Include range updates (key)</label><br>
<label><input type="checkbox" id="range_update_index"> Include range updates (index)</label><br>
</div>
<hr>
<!-- Range queries -->
<div>
<label><input type="checkbox" id="range_query_key"> Include range queries (key)</label><br>
<label><input type="checkbox" id="range_query_index"> Include range queries (index)</label><br>
</div>
<hr>
<!-- Parent pointer stuff -->
<div>
<label><input type="checkbox" id="par_option"> Include parent pointers</label><br>
<label><input type="checkbox" id="clean_option"> Include clean (given a pointer to a node, flushes all lazy tags)</label><br>
<label><input type="checkbox" id="order_option"> Include order (finds index of a node)</label><br>
<label><input type="checkbox" id="root_option"> Include root (returns the root of some treap node)</label><br>
</div>
<hr>
<div>
<label><input type="checkbox" id="treap_beats"> Enable treap beats template (range sums)</label><br>
<label><input type="checkbox" id="beats_chmin"> Include range chmin</label><br>
<label><input type="checkbox" id="beats_chmax"> Include range chmax</label><br>
<label><input type="checkbox" id="beats_add"> Include range add</label><br>
</div>
</div>
</div>
<hr>
Warnings:
<!-- Warning area -->
<div id="warnings" class="warning"></div>
<hr>
<!-- Copy button -->
<button onclick="copyCode()">Copy Code</button>
<div id="copy_status"></div>
<!-- Area to display the code -->
<pre id="code_display"></pre>
<script>
let warnings = []
let use_namespace_std = false;
let use_ll_typedef = false;
let merge_option = false;
let n_merge_option = false;
let plus_merge_option = false;
let key_type = 'none';
let split_option = false;
let three_split_option = false;
let find_option = false;
let ins_option = false;
let del_option = false;
let del_all_option = false;
let size_option = false;
let spliti_option = false;
let findi_option = false;
let three_spliti_option = false;
let insi_option = false;
let deli_option = false;
let min_option = false;
let max_option = false;
let unite_option = false;
let unite_fast_option = false;
let range_sum = false;
let range_max = false;
let range_min = false;
let lazy_prop = false;
let range_reverse = false;
let range_reverse_key = false;
let range_reverse_index = false;
let range_add = false;
let range_set = false;
let range_update_key = false;
let range_update_index = false;
let range_query_key = false;
let range_query_index = false;
let enable_value = false;
let val_type = 'none';
let range_type = 'inc exc'
let range_agg = false;
let signature = true;
let comments = true;
let template = false;
let par_option = false;
let clean_option = false;
let order_option = false;
let heapify_option = false;
let build_option = false;
let tour_option = false;
let key_sum = false;
let key_add = false;
let key_set = false;
let namespace_treap = false;
let root_option = false;
let rot_option = false;
let mod_option = false;
let modi_option = false;
let partition_key = false;
let partition_index = false;
let cumulative_partition_key = false;
let cumulative_partition_index = false;
let treap_beats = false;
let beats_chmin = false;
let beats_chmax = false;
let beats_add = false;
// Static dependencies graph
const edges = [
["split_option", "key_type"],
["find_option", "key_type"],
["ins_option", "split_option"],
["spliti_option", "size_option"],
["insi_option", "spliti_option"],
["findi_option", "size_option"],
["n_merge_option", "merge_option"],
["n_merge_option", "namespace_treap"],
["range_add", "lazy_prop"],
["range_set", "lazy_prop"],
["key_add", "lazy_prop"],
["key_set", "lazy_prop"],
["range_update_key", "lazy_prop"],
["range_update_key", "merge_option"],
["range_update_key", "key_type"],
["range_update_key", "split_option"],
["range_update_index", "lazy_prop"],
["range_update_index", "size_option"],
["range_sum", "size_option"],
["key_sum", "size_option"],
["key_sum", "key_type"],
["key_add", "key_type"],
["key_set", "key_type"],
["range_query_key", "merge_option"],
["range_query_key", "key_type"],
["range_query_key", "split_option"],
["range_query_key", "range_agg"],
["range_query_index", "size_option"],
["range_query_index", "range_agg"],
["range_sum", "range_agg"],
["range_sum", "val_type"],
["range_max", "range_agg"],
["range_max", "val_type"],
["range_min", "range_agg"],
["range_min", "val_type"],
["key_sum", "range_agg"],
["plus_merge_option", "merge_option"],
["order_option", "par_option"],
["order_option", "size_option"],
["clean_option", "par_option"],
["clean_option", "lazy_prop"],
["unite_option", "merge_option"],
["unite_option", "split_option"],
["unite_option", "min_option"],
["unite_fast_option", "split_option"],
["build_option", "heapify_option"],
["range_reverse_key", "lazy_prop"],
["range_reverse_index", "lazy_prop"],
["range_reverse_key", "merge_option"],
["range_reverse_index", "merge_option"],
["range_reverse_key", "split_option"],
["range_reverse_index", "spliti_option"],
["del_option", "merge_option"],
["del_all_option", "split_option"],
["del_all_option", "merge_option"],
["del_all_option", "key_type"],
["deli_option", "merge_option"],
["deli_option", "size_option"],
["three_split_option", "split_option"],
["three_spliti_option", "spliti_option"],
["treap_beats", "range_agg"],
["treap_beats", "lazy_prop"],
["treap_beats", "range_update_index"],
["beats_chmin", "treap_beats"],
["beats_chmax", "treap_beats"],
["beats_add", "treap_beats"],
["val_type", "enable_value"],
["range_agg", "enable_value"],
["root_option", "par_option"],
["rot_option", "spliti_option"],
["rot_option", "merge_option"],
["mod_option", "key_type"],
["modi_option", "size_option"],
["partition_key", "key_type"],
["partition_index", "size_option"],
["cumulative_partition_key", "key_type"],
["cumulative_partition_key", "range_agg"],
["cumulative_partition_index", "size_option"],
["cumulative_partition_index", "range_agg"],
["treap_beats", "val_type"]
];
const mutual_exclusions = [
["treap_beats", "range_sum"],
["treap_beats", "range_min"],
["treap_beats", "range_max"],
];
const sortedDependencies = topsort(edges);
document.addEventListener("DOMContentLoaded", () => {
initializeForm();
handleUpdate();
});
function disableBanned(id) {
mutual_exclusions.forEach(([id1, id2]) => {
if (id === id1) {
const el = document.getElementById(id2);
if (el.type === "checkbox") el.checked = false;
else if (el.tagName === "SELECT") el.value = el.options[0].value;
}
if (id === id2) {
const el = document.getElementById(id1);
if (el.type === "checkbox") el.checked = false;
else if (el.tagName === "SELECT") el.value = el.options[0].value;
}
});
}
function initializeForm() {
document.querySelectorAll("input[type='checkbox'], select").forEach(el => {
el.addEventListener("change", (event) => {
disableBanned(event.target.id)
handleUpdate()
});
el.addEventListener("contextmenu", (e) => {
e.preventDefault();
enableDependencies(el.id);
});
});
}
function isEnabled(id) {
const element = document.getElementById(id);
if (element.tagName === "SELECT") {
return element.value !== element.options[0].value; // not the first/default option
}
return element.checked;
}
function applyDependencies() {
sortedDependencies.forEach(id => {
const dependencies = edges
.filter(pair => pair[0] === id)
.map(pair => pair[1]);
const allSatisfied = dependencies.every(depId => isEnabled(depId));
const element = document.getElementById(id);
if (element.tagName === "INPUT" && element.type === "checkbox") {
element.disabled = !allSatisfied;
if (!allSatisfied) element.checked = false;
}
if (element.tagName === "SELECT") {
element.disabled = !allSatisfied;
if (!allSatisfied) {
element.value = element.options[0].value; // Reset to first option
}
}
});
}
function enableDependencies(id) {
const element = document.getElementById(id);
const reqs = edges.filter(pair => pair[0] === id).map(pair => pair[1]);
reqs.forEach(depId => {
const dep = document.getElementById(depId);
enableDependencies(depId);
if (dep.tagName === "INPUT" && dep.type === "checkbox" && !dep.checked) {
dep.checked = true;
disableBanned(depId);
}
if (dep.tagName === "SELECT" && dep.value === dep.options[0].value) {
dep.value = dep.options[1].value;
disableBanned(depId);
}
dep.disabled = false;
});
if (element.tagName === "SELECT") {
if (element.value === element.options[0].value) {
element.value = element.options[1].value;
disableBanned(element.id);
}
} else if (element.type === "checkbox") {
disableBanned(id)
element.checked = true;
}
element.disabled = false;
handleUpdate();
}
function topsort(pairs) {
let graph = {};
let deg = {};
pairs.forEach(([a, b]) => {
if (!graph[b]) graph[b] = [];
if (!deg[a]) deg[a] = 0;
if (!deg[b]) deg[b] = 0;
graph[b].push(a);
deg[a]++;
});
let sorted = [];
let queue = Object.keys(deg).filter(k => deg[k] === 0);
while (queue.length) {
let current = queue.shift();
sorted.push(current);
(graph[current] || []).forEach(neighbor => {
deg[neighbor]--;
if (deg[neighbor] === 0) {
queue.push(neighbor);
}
});
}
if (sorted.length !== Object.keys(deg).length) {
throw new Error("Cycle detected in dependency graph!");
}
return sorted;
}
function handleUpdate() {
use_namespace_std = document.getElementById("use_namespace_std").checked;
use_ll_typedef = document.getElementById("use_ll_typedef").checked;
merge_option = document.getElementById("merge_option").checked;
n_merge_option = document.getElementById("n_merge_option").checked;
plus_merge_option = document.getElementById("plus_merge_option").checked;
key_type = document.getElementById("key_type").value;
split_option = document.getElementById("split_option").checked;
three_split_option = document.getElementById("three_split_option").checked;
find_option = document.getElementById("find_option").checked;
findi_option = document.getElementById("findi_option").checked;
ins_option = document.getElementById("ins_option").checked;
del_option = document.getElementById("del_option").checked;
del_all_option = document.getElementById("del_all_option").checked;
size_option = document.getElementById("size_option").checked;
spliti_option = document.getElementById("spliti_option").checked;
three_spliti_option = document.getElementById("three_spliti_option").checked;
insi_option = document.getElementById("insi_option").checked;
deli_option = document.getElementById("deli_option").checked;
max_option = document.getElementById("max_option").checked;
min_option = document.getElementById("min_option").checked;
unite_option = document.getElementById("unite_option").checked;
unite_fast_option = document.getElementById("unite_fast_option").checked;
range_sum = document.getElementById("range_sum").checked;
range_max = document.getElementById("range_max").checked;
range_min = document.getElementById("range_min").checked;
lazy_prop = document.getElementById("lazy_prop").checked;
range_reverse_key = document.getElementById("range_reverse_key").checked;
range_reverse_index = document.getElementById("range_reverse_index").checked;
range_reverse = range_reverse_key || range_reverse_index;
range_add = document.getElementById("range_add").checked;
range_set = document.getElementById("range_set").checked;
range_update_key = document.getElementById("range_update_key").checked;
range_update_index = document.getElementById("range_update_index").checked;
range_query_key = document.getElementById("range_query_key").checked;
range_query_index = document.getElementById("range_query_index").checked;
val_type = document.getElementById("val_type").value;
range_type = document.getElementById("range_type").value;
range_agg = document.getElementById("range_agg").checked
signature = document.getElementById("signature").checked
comments = document.getElementById("comments").checked
template = document.getElementById("template").checked;
par_option = document.getElementById("par_option").checked;
clean_option = document.getElementById("clean_option").checked;
order_option = document.getElementById("order_option").checked;
build_option = document.getElementById("build_option").checked;
heapify_option = document.getElementById("heapify_option").checked;
tour_option = document.getElementById("tour_option").checked;
key_sum = document.getElementById("key_sum").checked;
key_add = document.getElementById("key_add").checked;
key_set = document.getElementById("key_set").checked;
namespace_treap = document.getElementById("namespace_treap").checked;
enable_value = document.getElementById("enable_value").checked;
root_option = document.getElementById("root_option").checked;
rot_option = document.getElementById("rot_option").checked;
mod_option = document.getElementById("mod_option").checked;
modi_option = document.getElementById("modi_option").checked;
partition_key = document.getElementById("partition_key").checked;
partition_index = document.getElementById("partition_index").checked;
cumulative_partition_key = document.getElementById("cumulative_partition_key").checked;
cumulative_partition_index = document.getElementById("cumulative_partition_index").checked;
treap_beats = document.getElementById("treap_beats").checked;
beats_add = document.getElementById("beats_add").checked;
beats_chmin = document.getElementById("beats_chmin").checked;
beats_chmax = document.getElementById("beats_chmax").checked;
clearWarnings();
applyDependencies();
checkForWarnings();
displayWarnings();
updateCodeDisplay();
}
function addWarning(message) { warnings.push(message); }
function clearWarnings() { warnings = []; document.getElementById("warnings").innerHTML = ""; }
function checkForWarnings() {
if (range_update_key || range_query_key) {
addWarning("The implementation of range operations with keys has quite a high constant factor. Beware of TLE on tight time limits. Consider switching to indices if possible.")
}
if (range_sum && val_type !== 'long long') {
addWarning("Be careful for overflows when using range sum with integers.")
}
if (n_merge_option) {
addWarning("Merge with 5+ arguments will conflict with std::merge. Do Treap::merge(...) for 5 or more arguments.")
}
if (range_reverse && (range_update_key || range_update_index)) {
addWarning("You must use the dedicated range reverse function to perform range reversals. Otherwise, it will not work.")
}
}
function displayWarnings() {
const warningDiv = document.getElementById("warnings");
if (warnings.length > 0) warningDiv.innerHTML = warnings.join("<br>");
}
function copyCode() {
code = "";
if (signature) code += "// generated at caterpillow.github.io/byot\n\n";
code += document.getElementById("code_display").textContent;
navigator.clipboard.writeText(code).then(() => {
displayCopyStatus("Code copied successfully!", "success");
}).catch(err => {
displayCopyStatus("Failed to copy code!", "error");
});
}
function displayCopyStatus(message, status) {
const copyStatus = document.getElementById("copy_status");
copyStatus.textContent = message;
copyStatus.style.color = status === "success" ? "green" : "red";
copyStatus.style.fontWeight = "bold";
setTimeout(() => {
copyStatus.textContent = "";
}, 3000);
}
function getTabCharacter() {
const tabChar = document.getElementById('tab_char').value;
switch (tabChar) {
case '2spaces':
return ' '; // 2 spaces
case '3spaces':
return ' '; // 3 spaces
case '4spaces':
return ' '; // 4 spaces
case '8spaces':
return ' ' // 8 spaces
case 'tab':
return '\t'; // Tab character
default:
return ' '; // Default is 4 spaces
}
}
function updateCodeDisplay() {
let code = "";
let inf = (val_type === 'int' ? '1\'000\'000\'000' : '1\'000\'000\'000\'000\'000\'000')
let pull = range_agg || par_option || size_option;
// let pull = size_option || range_sum || range_max || range_min || key_sum || par_option;
let push = lazy_prop;
let incexc = range_type === 'inc exc';
// start code displaying
if (lazy_prop) {
if (range_set && comments) code += "// val is the increment amount, inc is a bool for whether this tag increments (inc = false means set)\n"
code += `struct Lazy {\n`;
if (range_reverse) code += ' bool rev;\n'
if (range_add || range_set) code += ` ${val_type} val;\n`;
if (range_set) code += " bool inc;\n";
if (key_add || key_set) code += ` ${key_type} kval;\n`;
if (key_set) code += " bool kinc;\n";
if (beats_chmin) code += ` ${val_type} mn;\n`
if (beats_chmax) code += ` ${val_type} mx;\n`
if (beats_add) code += ` ${val_type} add;\n`
code += "\n";
code += ` void operator+=(const Lazy oth) {\n`;
if (range_reverse) code += ' rev ^= oth.rev;\n'
if (range_add || range_set) {
if (range_set) code += " if (!oth.inc) val = 0, inc = false;\n";
code += " val += oth.val;\n";
}
if (key_add || key_set) {
if (key_set) code += " if (!oth.kinc) kval = 0, kinc = false;\n";
code += " kval += oth.kval;\n";
}
if (beats_chmin && beats_chmax) {
code += ` if (oth.mn${beats_add ? " - add" : ""} <= mx) mn = mx = oth.mn${beats_add ? " - add" : ""};\n` +
` else if (oth.mx${beats_add ? " - add" : ""} >= mn) mn = mx = oth.mx${beats_add ? " - add" : ""};\n` +
` else {\n` +
` mn = min(mn, oth.mn${beats_add ? " - add" : ""});\n` +
` mx = max(mx, oth.mx${beats_add ? " - add" : ""});\n` +
' }\n'
} else {
if (beats_chmin) code += ` mn = min(mn, oth.mn${beats_add ? " - add" : ""});\n`
if (beats_chmax) code += ` mx = max(mx, oth.mx${beats_add ? " - add" : ""});\n`
}
if (beats_add) code += ` add += oth.add;\n`
code += " }\n";
code += "};\n\n";
let lazy_id = [];
if (range_reverse) lazy_id.push("false");
if (range_add || range_set) lazy_id.push("0");
if (range_set) lazy_id.push("true");
if (key_add || key_set) lazy_id.push("0");
if (key_set) lazy_id.push("0")
if (beats_chmin) lazy_id.push(inf)
if (beats_chmax) lazy_id.push(`-${inf}`)
if (beats_add) lazy_id.push('0')
code += `const Lazy lid = {${lazy_id.join(", ")}};\n\n`;
}
if (beats_chmin) code += 'Lazy chmin_tag(ll x) { Lazy lazy = lid; lazy.mn = x; return lazy; }\n'
if (beats_chmax) code += 'Lazy chmax_tag(ll x) { Lazy lazy = lid; lazy.mx = x; return lazy; }\n'
if (beats_add) code += 'Lazy add_tag(ll x) { Lazy lazy = lid; lazy.add = x; return lazy; }\n'
code += '\n'
if (enable_value) {
if (comments) code += "// You can implement your own monoid here for custom operations.\n";
code += `struct Value {\n`;
if (range_sum) code += ` ${val_type} sum;\n`;
if (range_max) code += ` ${val_type} mx;\n`;
if (range_min) code += ` ${val_type} mn;\n`;
if (key_sum) code += ` ${key_type} ksum;\n`;
if (treap_beats) code += ` ${val_type} sum;\n`;
if (beats_chmin) code += ` ${val_type} mx, mxcnt, mx2;\n`
if (beats_chmax) code += ` ${val_type} mn, mncnt, mn2;\n`
code += "\n";
if (treap_beats) {
let args = []
if (key_sum) args.push("0")
if (treap_beats) args.push("x * len")
if (beats_chmin) {
args.push("x")
args.push("len")
args.push(`-${inf}`)
}
if (beats_chmax) {
args.push("x")
args.push("len")
args.push(inf)
}
code += ' static Value make(ll x, ll len = 1) {\n' +
` return {${args.join(", ")}};\n` +
' }\n\n'
}
if (treap_beats) {
let args1 = []
let args2 = []
if (beats_chmin) {
args1.push("lazy.mn >= mx")
args2.push("mx2 < lazy.mn")
}
if (beats_chmax) {
args1.push("lazy.mx <= mn")
args2.push("mn2 > lazy.mx")
}
if (beats_add) args1.push("lazy.add == 0")
code += ' bool can_break(const Lazy& lazy) {\n' +
` return ${args1.join(" && ")};\n` +
' }\n' +
'\n' +
' bool can_tag(const Lazy& lazy) {\n' +
` return ${args2.join(" && ")};\n` +
' }\n\n'
}
if (lazy_prop) {
code += ` void upd(Lazy lazy${size_option ? ', int sz' : ''}) {\n`
if (range_set) {
items = []
if (range_sum) items.push("sum = ")
if (range_max) items.push("mx = ")
if (range_min) items.push("mn = ")
if (items.length > 0) code += ` if (!lazy.inc) ${items.join('')}0;\n`
}
if (range_add || range_set) {
if (range_sum) code += ' sum += lazy.val * sz;\n'
if (range_max) code += ' mx += lazy.val;\n'
if (range_min) code += ' mn += lazy.val;\n'
}
if (key_set) {
items = []
if (key_sum) items.push("ksum = ")
if (items.length > 0) code += ` if (!lazy.kinc) ${items.join('')}0;\n`
}
if (key_add || key_set) {
if (key_sum) code += ' ksum += lazy.val * sz;\n'
}
if (beats_chmin && beats_chmax) {
code += ' if (mn == mx) {\n' +
' mn = mx = min(lazy.mn, mn);\n' +
' mn = mx = max(lazy.mx, mn);\n' +
' sum = mn * mncnt;\n' +
' } else if (mn == mx2) {\n' +
' if (lazy.mx > mn) mn = mx2 = lazy.mx;\n' +
' if (lazy.mn < mx) mx = mn2 = lazy.mn;\n' +
' sum = mn * mncnt + mx * mxcnt;\n' +
' } else {\n' +
' if (lazy.mn < mx) sum -= (mx - lazy.mn) * mxcnt, mx = lazy.mn;\n' +
' if (lazy.mx > mn) sum += (lazy.mx - mn) * mncnt, mn = lazy.mx;\n' +
' }\n'
} else {
if (beats_chmin) code += ' if (lazy.mn < mx) sum -= (mx - lazy.mn) * mxcnt, mx = lazy.mn;\n'
if (beats_chmax) code += ' if (lazy.mx > mn) sum += (lazy.mx - mn) * mncnt, mn = lazy.mx;\n'
}
if (beats_add) {
code += ' sum += lazy.add * sz;\n'
if (beats_chmin) code += ' mx += lazy.add, mx2 += lazy.add;\n'
if (beats_chmax) code += ' mn += lazy.add, mn2 += lazy.add;\n'
}
code += ' }\n\n'
}
if (range_agg) {
code += ` Value operator+(const Value& oth) const {\n` +
" Value res {};\n";
if (range_sum) code += " res.sum = sum + oth.sum;\n";
if (range_max) code += " res.mx = std::max(mx, oth.mx);\n";
if (range_min) code += " res.mn = std::min(mn, oth.mn);\n";
if (key_sum) code += " res.ksum = ksum + oth.ksum;\n";
if (treap_beats) code += ' res.sum = sum + oth.sum;\n'
if (beats_chmin) code += ' if (mx == oth.mx) res.mx = mx, res.mxcnt = mxcnt + oth.mxcnt, res.mx2 = max(mx2, oth.mx2);\n' +
' else if (mx > oth.mx) res.mx = mx, res.mxcnt = mxcnt, res.mx2 = max(mx2, oth.mx);\n' +
' else res.mx = oth.mx, res.mxcnt = oth.mxcnt, res.mx2 = max(mx, oth.mx2);\n'
if (beats_chmax) code += ' if (mn == oth.mn) res.mn = mn, res.mncnt = mncnt + oth.mncnt, res.mn2 = min(mn2, oth.mn2);\n' +
' else if (mn < oth.mn) res.mn = mn, res.mncnt = mncnt, res.mn2 = min(mn2, oth.mn);\n' +
' else res.mn = oth.mn, res.mncnt = oth.mncnt, res.mn2 = min(mn, oth.mn2);\n'
code += " return res;\n" +
" }\n"
}
code += "};\n\n";
let val_id = [];
if (range_sum) val_id.push("0")
if (range_max) val_id.push(`-${inf}`)
if (range_min) val_id.push(`${inf}`)
if (key_sum) val_id.push("0")
if (treap_beats) val_id.push("0")
if (beats_chmin) {
val_id.push(`-${inf}`)
val_id.push('0')
val_id.push(`-${inf}`)
}
if (beats_chmax) {
val_id.push(`${inf}`)
val_id.push('0')
val_id.push(`${inf}`)
}
code += `const Value vid = {${val_id.join(", ")}};\n\n`;
}
{
code += "std::mt19937 mt(std::chrono::steady_clock::now().time_since_epoch().count());\n" +
"using ptr = struct Node*;\n"
if (key_type === "T") code += 'using T = ;\n'
code += "\nstruct Node {\n"
if (enable_value) code += " Value val;\n";
if (range_agg) code += " Value agg;\n";
if (lazy_prop) code += " Lazy lazy;\n";
code += "\n";
if (key_type !== "none") code += ` ${key_type} key;\n`;
if (size_option) code += " int sz;\n";
code += " int pri;\n" +
" ptr l, r;\n"
if (par_option) code += " ptr par;\n";
code += '\n';
// make constructor
let params = []
let bruh = []
if (key_type !== 'none') {
params.push(`${key_type} key`)
bruh.push('key(key)')
}
if (enable_value) {
params.push('Value val')
bruh.push('val(val)')
}
if (range_agg) bruh.push('agg(val)')
// default constructor
if (params.length > 0) {
code += ' Node() {\n'
code += ' pri = mt();\n'
if (enable_value) code += ' val = vid;\n'
if (range_agg) code += ' agg = vid;\n'
if (lazy_prop) code += ' lazy = lid;\n'
if (size_option) code += ' sz = 0;\n'
code += ' l = r = nullptr;\n'
if (par_option) code += ' par = nullptr;\n'
code += ' }\n\n'
}
let param_str = params.join(", ")
let bruh_str = ''
if (bruh.length > 0) bruh_str += ' : '
bruh_str += bruh.join(", ")
code += ` Node(${param_str})${bruh_str} {\n`
code += ' pri = mt();\n'
if (lazy_prop) code += ' lazy = lid;\n'
if (size_option) code += ' sz = 1;\n'
code += ' l = r = nullptr;\n'
if (par_option) code += ' par = nullptr;\n'
if (key_sum) code += ' val.ksum = agg.ksum = 0;\n'
code += ' }\n\n'
code += ' ~Node() {\n' +
' delete l;\n' +
' delete r;\n' +
' }\n'
code += "};\n\n"
}
if (size_option) code += 'int sz(ptr n) { return n ? n->sz : 0; };\n'
if (range_agg) code += 'Value agg(ptr n) { return n ? n->agg : vid; }\n'
code += '\n'
if (push) {
code += "void push(ptr n) {\n"
if (lazy_prop) {
if (enable_value) code += ` n->val.upd(n->lazy${size_option ? ', 1' : ''});\n`
if (range_agg) code += ` n->agg.upd(n->lazy${size_option ? ', sz(n)' : ''});\n`
if (range_reverse) code += ' if (n->lazy.rev) std::swap(n->l, n->r);\n'
code += " if (n->l) n->l->lazy += n->lazy;\n" +
" if (n->r) n->r->lazy += n->lazy;\n" +
" n->lazy = lid;\n"
}
code += "}\n\n"
}
if (pull) {
code += 'ptr pull(ptr n) {\n' +
' if (!n) return nullptr;\n'
if (push) {
code += ' if (n->l) push(n->l);\n' +
' if (n->r) push(n->r);\n'
}
if (par_option) code += ' if (n->l) n->l->par = n;\n' +
' if (n->r) n->r->par = n;\n'
if (size_option) code += ' n->sz = sz(n->l) + 1 + sz(n->r);\n'
if (range_agg) code += ' n->agg = agg(n->l) + n->val + agg(n->r);\n'
code += ' return n;\n' +
'}\n\n'
}
if (merge_option) {
code += 'ptr merge(ptr l, ptr r) {\n' +
' if (!l || !r) return l ? l : r;\n'
if (push) code += ' push(l), push(r);\n';
code += ` if (l->pri > r->pri) return l->r = merge(l->r, r), ${pull ? 'pull(l)' : 'l'};\n` +
` else return r->l = merge(l, r->l), ${pull ? 'pull(r)' : 'r'};\n` +
'}\n\n'
}
if (n_merge_option) {
code += 'template<typename... Args>\n' +
'ptr merge(ptr l, Args... args) {\n' +
' return merge(l, merge(args...));\n' +
'}\n\n'
}
if (plus_merge_option) {
code += 'ptr operator+(Node& lhs, Node& rhs) { return merge(&lhs, &rhs); }\n' +
'ptr operator+(ptr lhs, Node& rhs) { return merge(lhs, &rhs); }\n' +
'ptr operator+(Node& lhs, ptr rhs){ return merge(&lhs, rhs); }\n\n'
}
if (split_option) {