27 lines
529 B
C++
27 lines
529 B
C++
#include <bits/stdc++.h>
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using namespace std;
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//分解质因数
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void divide(int x) {
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for (int i = 2; i * i <= x; i++) {
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int cnt = 0;
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while (x % i == 0) x /= i, cnt++;
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//输出多个因子乘积
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for (int j = 1; j <= cnt; j++) {
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cout << i;
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if (j < cnt) cout << "*";//防止输出最后面的*号
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}
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}
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//如果还没有除开，就是还需要写一个
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if (x > 1) cout << '*' << x << endl;
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}
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int main() {
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int x;
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cin >> x;
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divide(x);
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return 0;
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}
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