题解 | #质数因子#
质数因子
https://www.nowcoder.com/practice/196534628ca6490ebce2e336b47b3607
#include <iostream>
#include <cmath>
using namespace std;
int main() {
int a;
while (cin >> a ) { // 注意 while 处理多个 case
for(int b = 2; b <= sqrt(a); ++b) {
while( a % b == 0){
cout << b << " ";
a /=b;
}
}
if(a != 1) cout << a;
}
}
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