Added intToBinary.cpp file, this code prints the binary representatio…

…n of a given integer

Algorithms/intToBinary.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+
+using namespace std;
+
+int stringToInt(string s) {
+    int p = 1;
+    int n = 0;
+    for(int i = s.size()-1; i >= 0; i --) {
+        n += (s[i] - '0') * p;
+        p *= 10;
+    }
+    return n;
+}
+
+string intToBinary(int n) {
+    string bin = "";
+    while(n > 0) {
+        bin = (char)((n % 2)+'0') + bin;
+        n /= 2;
+    }
+    return bin;
+}
+
+int main(int argc, char** argv) {
+    /*cout<<argv[1]<<endl;
+    cout<<argc<<endl;
+    cout<<stringToInt(argv[1])<<endl;*/
+    cout<<intToBinary(stringToInt(argv[1]))<<endl;
+    return 0;
+}