题解 | #牛牛的二三七整除#
牛牛的二三七整除
http://www.nowcoder.com/practice/b2cf0b791245436f8f0591ae9f4c664f
#include <stdio.h>
int main(){
int n;
scanf("%d",&n);
if(n%7==0 || n%3==0 || n%2==0){
if(n%2==0){
printf("2 ");
}
if(n%3==0){
printf("3 ");
}
if(n%7==0){
printf("7 ");
}
}
else printf("n");
}
int main(){
int n;
scanf("%d",&n);
if(n%7==0 || n%3==0 || n%2==0){
if(n%2==0){
printf("2 ");
}
if(n%3==0){
printf("3 ");
}
if(n%7==0){
printf("7 ");
}
}
else printf("n");
}
