题解 | #判断一个数是不是质数#
判断一个数是不是质数
https://www.nowcoder.com/practice/b8bb5e7703da4a83ac7754c0f3d45a82
#include <iostream>
using namespace std;
int main() {
int n;
cin >> n;
for (int i = 2; i <= n; i++) {
if (n == i) {
cout << "是质数" << endl;
} else if (n % i == 0) {
cout << "不是质数" << endl;
break;
}
}
return 0;
}


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