题解 | #质数因子#
质数因子
https://www.nowcoder.com/practice/196534628ca6490ebce2e336b47b3607
#include <iostream>
using namespace std;
int main() {
unsigned u;
cin >> u;
for (unsigned i = 2; i * i <= u; ++i) {
while (u % i == 0) {
cout << i << " ";
u /= i;
}
}
if (u != 1)
cout << u << endl;
else
cout << endl;
}
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