题解 | #牛牛的二三七整除#
牛牛的二三七整除
https://www.nowcoder.com/practice/b2cf0b791245436f8f0591ae9f4c664f
#include <stdio.h> int main(){ int a; int i = 0; scanf("%d",&a); switch(1){ case 1: if(a%2==0){ printf("2 "); i++; } case 2: if(a%3==0){ printf("3 "); i++; } case 3: if(a%7==0){ printf("7"); i++; } else if(i==0) printf("n"); } return 0; }