Files
some-cpp-files/Miscellaneous/prime_array_2.cpp
T
2024-03-17 22:30:49 +08:00

30 lines
359 B
C++

#include <bits/stdc++.h>
using namespace std;
#define N 100
int main(void) {
int prime[N];
for (int i = 0; i < N; i++) {
prime[i] = 1;
}
for (int x = 2; x < N; x++) {
if (prime[x]) {
for (int i = 2; x * i < N; i++) {
prime[x * i] = 0;
}
}
}
for (int i = 2; i < N; i++) {
if (prime[i]) {
printf("%d ", i);
}
}
return 0;
}