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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int main()
  5. {
  6.         int num = 9;
  7.         int i, sum; i = 1, sum = 0;
  8.         while (i < 2 * num) {
  9.                 sum = sum + i * i;
  10.                 ++i;
  11.         }
  12.         printf("sum: %d\n", sum);
  13.         fflush(stdout);
  14.         return 0;
  15. }
Success #stdin #stdout 0s 2292KB
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stdin
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Standard input is empty
stdout
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sum: 1785
https://ideone.com/Lf7Kod
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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