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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int num1, num2, sum = 0;
  5.  
  6.     scanf("%d%d", &num1, &num2);
  7.  
  8.     if(num1 > num2) {
  9.         int temp = num1;
  10.         num1 = num2;
  11.         num2 = temp;
  12.     }
  13.  
  14.     for(int i = num1; i <= num2; i++) {
  15.         sum += i;
  16.     }
  17.  
  18.     printf("%d\n", sum);
  19.  
  20.     return 0;
  21. }
Success #stdin #stdout 0s 5284KB
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https://ideone.com/orVpFy
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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