题解 | #质因数的个数#
质因数的个数
https://www.nowcoder.com/practice/20426b85f7fc4ba8b0844cc04807fbd9
#include <stdio.h>
int main() {
int x;
while(scanf("%d", &x) != EOF) {
int res = 0;
for(int i = 2; i < x / i; i++) {
while(x % i == 0) {
res++;
x /= i;
}
}
if(x > 1) res++; //最多有一个质因数大于根号x
printf("%d\n", res);
}
return 0;
}
