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  1. #include <stdio.h>
  2. int main(void)
  3. {
  4.   int a, b, c; /* 前提１：a<bとする */
  5.   printf("cの値は? ");
  6.   scanf("%d", &c);
  7.   for (a = 1; a * a < c * c / 2; ++a) { /* from 前提１ */
  8.     for (b = a + 1; a * a + b * b < c * c; ++b);/* from 前提１ */
  9.     if (a * a + b * b == c * c) {
  10.       printf("aは%dで、bは%d\n", a, b);
  11.       return 0;
  12.     }
  13.   }
  14.   printf("存在しません\n");
  15.   return 0;
  16. }
  17.  
Success #stdin #stdout 0s 2296KB
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cの値は? aは3で、bは4
https://ideone.com/s0zzSt
language:
C (gcc 8.3)
created:
10 years ago
visibility:
secret

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