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12 days ago
365 B
3
Indexable
Never
#include <stdio.h> #define N 1000 int main(){ int i, j, a[n]; a[0] = 0; a[1] = 0; for(i = 2; i < N; i++) { a[i] = 1; } for(i = 2; i < N; i++) { if(a[i]) { for(j = i; j < N/i; j++) a[i*j] = 0; } } for(i = 2; i < N; i++) if(a[i]) printf("%4d ", i); printf("\n") }
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