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#include <stdio.h> int main() { int i, j, n; // printf("number:");scanf("%d",&n); n = 50; if (n > 1) printf("2 "); for (i = 3; i <= n; i += 2) { int f = 1; for (j = 3; j * j < i+1; j += 2) { if ((i % j) == 0) { f = 0; break; } } if (f == 1) printf("%d ", i); } printf("\n"); return 0; }
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