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  1. #include <stdio.h>
  2. int main()
  3. {
  4.   int flag, sum, n;
  5.  
  6.   flag = 1;
  7.   sum = 0;
  8.   for (n = 1; n <= 100; n++){
  9.     sum += n * n;
  10.     if (flag && sum >= 100) {
  11.       printf("sumが初めて100以上になる n=%d\n", n);
  12.       flag = 0;
  13.     }
  14.   }
  15.   printf("総和=%d\n", sum);
  16. }
  17.  
Runtime error #stdin #stdout 0s 1788KB
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Standard input is empty
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sumが初めて100以上になる n=7
総和=338350
https://ideone.com/YiCXgk
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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