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  1. #include <stdio.h>
  2. #define N 50
  3. int main()
  4. {
  5.   int i, j;
  6.   int n, a[N + 1];
  7.   for (i = 0; i < N; ++i)a[i] = 1;
  8.   printf("n = ");
  9.   scanf("%d", &n);
  10.   for (i = 2; i <= N; ++i)
  11.     for (j = 2 * i; j <= N; j += i)
  12.       a[j] = 0;
  13.   for (i = 2; i <= N; ++i)if (a[i] == 1)printf("%d ", i);
  14.   return 0;
  15. }
Success #stdin #stdout 0s 1836KB
comments (?)
stdin
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50
stdout
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n = 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47
https://ideone.com/RmuSVl
language:
C (gcc 8.3)
created:
11 years ago
visibility:
secret

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