题解 | #小乐乐排电梯#

#include <stdio.h>

int main() 
{
    int a = 0;
    int b = 0;
    while (scanf("%d ", &a) != EOF) 
    {  
     if(a>=12)
     {
       b = (a/12)*4+2;//a除以12取整
     }
     else 
     {
        b = 2;
     }
     printf("%d",b);
    }
    return 0;
}