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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int sososo[100 + 1] = {0};  
  5.     int i, j;
  6.  
  7.  
  8.     for (i = 2; i <= 50; i++) {
  9.  
  10.         for (j = 2 * i; j <= 100; j += i) {
  11.             sososo[j] += 1;
  12.         }
  13.     }
  14.  
  15.  
  16.     printf("100以下の素数:\n");
  17.     for (i = 2; i <= 100; i++) {
  18.         if (sososo[i] == 0) {
  19.             printf("%d ", i);
  20.         }
  21.     }
  22.     printf("\n");
  23.  
  24.     return 0;
  25. }
  26.  
Success #stdin #stdout 0.01s 5292KB
comments (?)
stdin 
Standard input is empty
stdout 
100以下の素数:
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97
https://ideone.com/h89bMZ
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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