题解 | #质数因子#
质数因子
http://www.nowcoder.com/practice/196534628ca6490ebce2e336b47b3607
C代码示例：
#include <stdio.h>
#include <math.h>
void yinzi(long num) {
int flag = 0;
for(int i=2; i<=sqrt(num);i++){
if(num%i == 0){
printf("%d ", i);
flag = 1;
yinzi(num/i);
break;
}
}
if(flag == 0) printf("%d ", num);
}
int main(){
long num;
scanf("%ld", &num);
yinzi(num);
return 0;
} 
