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| Original file line number | Diff line number | Diff line change |
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| @@ -1,97 +1,100 @@ | ||
| # Operator & Expression | ||
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| ## Problems | ||
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| * ***Click on the title of the problem to submit your solution before looking at our solution.*** | ||
| * ***We discourage looking at our solution before attempting to solve it by yourself first.*** | ||
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| 1. **[Simple Calculator](https://vjudge.net/problem/Gym-287306C)** | ||
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| Given two numbers X and Y. Print the summation and multiplication and subtraction of these 2 numbers. | ||
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| ***Input*** | ||
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| Only one line containing two separated numbers \\(X, Y (1 ≤ X, Y ≤ 10 ^ 5)\\) | ||
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| ***Output*** | ||
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| Print 3 lines that contain the following in the same order: | ||
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| 1. "\\(X + Y =\\) **summation result**" without quotes. | ||
| 2. "\\(X * Y =\\) **multiplication result**" without quotes. | ||
| 3. "\\(X - Y =\\) **subtraction result**" without quotes. | ||
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| ***Examples*** | ||
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| Input | ||
| ``` | ||
| 5 10 | ||
| ``` | ||
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| Output | ||
| ``` | ||
| 5 + 10 = 15 | ||
| 5 * 10 = 50 | ||
| 5 - 10 = -5 | ||
| ``` | ||
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| ***Notes*** | ||
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| **Be careful with spaces.** | ||
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| Hint: | ||
| ```hint | ||
| Press the eye icon to reveal hint. | ||
| ~ Use long long int instead of int | ||
| ~ Don't forget to use the designated format specifier for long long int (%lld) | ||
| ``` | ||
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| **Solution** | ||
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| ```c | ||
| // Press the eye icon to reveal solution. | ||
| ~#include <stdio.h> | ||
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| ~int main() | ||
| ~{ | ||
| ~ long long x, y; | ||
| ~ | ||
| ~ scanf("%lld %lld", &x, &y); | ||
| ~ | ||
| ~ printf("%lld + %lld = %lld\n", x, y, x + y); | ||
| ~ printf("%lld * %lld = %lld\n", x, y, x * y); | ||
| ~ printf("%lld - %lld = %lld\n", x, y, x - y); | ||
| ~ | ||
| ~ return 0; | ||
| ~} | ||
| ``` | ||
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| 2. **[Difference](https://vjudge.net/problem/Gym-287306D)** | ||
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| Hint: | ||
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| ```hint | ||
| Press the eye icon to reveal hint. | ||
| ~ Use long long int instead of int | ||
| ~ Don't forget to use the designated format specifier for long long int (%lld) | ||
| ``` | ||
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| **Solution** | ||
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| ```c | ||
| // Press the eye icon to reveal solution. | ||
| ~#include <stdio.h> | ||
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| ~int main() | ||
| ~{ | ||
| ~ long long a, b, c, d, x; | ||
| ~ | ||
| ~ scanf("%lld %lld %lld %lld", &a, &b, &c, &d); | ||
| ~ | ||
| ~ x = (a * b) - (c * d); | ||
| ~ | ||
| ~ printf("Difference = %lld\n", x); | ||
| ~ | ||
| ~ return 0; | ||
| ~} | ||
| ``` | ||
| 1. **[Simple Calculator ↗️](https://vjudge.net/problem/Gym-287306C)** | ||
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| Given two numbers X and Y. Print the summation and multiplication and subtraction of these 2 numbers. | ||
|
|
||
| ***Input*** | ||
|
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||
| Only one line containing two separated numbers \\(X, Y (1 ≤ X, Y ≤ 10 ^ 5)\\) | ||
|
|
||
| ***Output*** | ||
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| Print 3 lines that contain the following in the same order: | ||
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| 1. "\\(X + Y =\\) **summation result**" without quotes. | ||
| 2. "\\(X \* Y =\\) **multiplication result**" without quotes. | ||
| 3. "\\(X - Y =\\) **subtraction result**" without quotes. | ||
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| ***Examples*** | ||
|
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||
| Input | ||
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| ``` | ||
| 5 10 | ||
| ``` | ||
|
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||
| Output | ||
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| ``` | ||
| 5 + 10 = 15 | ||
| 5 * 10 = 50 | ||
| 5 - 10 = -5 | ||
| ``` | ||
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||
| ***Notes*** | ||
|
|
||
| **Be careful with spaces.** | ||
|
|
||
| Hint: | ||
|
|
||
| ```hint | ||
| Press the eye icon to reveal hint. | ||
| ~ Use long long int instead of int | ||
| ~ Don't forget to use the designated format specifier for long long int (%lld) | ||
| ``` | ||
|
|
||
| **Solution** | ||
|
|
||
| ```c | ||
| // Press the eye icon to reveal solution. | ||
| ~#include <stdio.h> | ||
|
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| ~int main() | ||
| ~{ | ||
| ~ long long x, y; | ||
| ~ | ||
| ~ scanf("%lld %lld", &x, &y); | ||
| ~ | ||
| ~ printf("%lld + %lld = %lld\n", x, y, x + y); | ||
| ~ printf("%lld * %lld = %lld\n", x, y, x * y); | ||
| ~ printf("%lld - %lld = %lld\n", x, y, x - y); | ||
| ~ | ||
| ~ return 0; | ||
| ~} | ||
| ``` | ||
| 2. **[Difference ↗️](https://vjudge.net/problem/Gym-287306D)** | ||
| Hint: | ||
| ```hint | ||
| Press the eye icon to reveal hint. | ||
| ~ Use long long int instead of int | ||
| ~ Don't forget to use the designated format specifier for long long int (%lld) | ||
| ``` | ||
|
|
||
| **Solution** | ||
|
|
||
| ```c | ||
| // Press the eye icon to reveal solution. | ||
| ~#include <stdio.h> | ||
|
|
||
| ~int main() | ||
| ~{ | ||
| ~ long long a, b, c, d, x; | ||
| ~ | ||
| ~ scanf("%lld %lld %lld %lld", &a, &b, &c, &d); | ||
| ~ | ||
| ~ x = (a * b) - (c * d); | ||
| ~ | ||
| ~ printf("Difference = %lld\n", x); | ||
| ~ | ||
| ~ return 0; | ||
| ~} | ||
| ``` |
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