这道题为什么不能打表过啊？？？？

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<iostream>
#include<algorithm>
using namespace std;
int main()
{
    int n;
    char s[10];
    while(~scanf("%d",&n))
    {
        while(n--)
        {
            scanf("%s",s);
            if(strcmp(s,"1:00")==0)
                printf("13\n");
            else if(strcmp(s,"2:00")==0)
                printf("14\n");
             else if(strcmp(s,"3:00")==0)
                printf("15\n");
                 else if(strcmp(s,"4:00")==0)
                printf("16\n");
                 else if(strcmp(s,"5:00")==0)
                printf("17\n");
                 else if(strcmp(s,"6:00")==0)
                printf("18\n");
                 else if(strcmp(s,"7:00")==0)
                printf("19\n");
                 else if(strcmp(s,"8:00")==0)
                printf("20\n");
                 else if(strcmp(s,"9:00")==0)
                printf("21\n");
                 else if(strcmp(s,"10:00")==0)
                printf("22\n");
                 else if(strcmp(s,"11:00")==0)
                printf("23\n");
                 else if(strcmp(s,"12:00")==0)
                printf("24\n");
                 else if(strcmp(s,"13:00")==0)
                printf("1\n");
             else if(strcmp(s,"14:00")==0)
                printf("2\n");
                 else if(strcmp(s,"15:00")==0)
                printf("3\n");
                 else if(strcmp(s,"16:00")==0)
                printf("4\n");
                 else if(strcmp(s,"17:00")==0)
                printf("5\n");
                 else if(strcmp(s,"18:00")==0)
                printf("6\n");
                 else if(strcmp(s,"19:00")==0)
                printf("7\n");
                 else if(strcmp(s,"20:00")==0)
                printf("8\n");
                 else if(strcmp(s,"21:00")==0)
                printf("9\n");
                 else if(strcmp(s,"22:00")==0)
                printf("10\n");
                 else if(strcmp(s,"23:00")==0)
                printf("11\n");
                 else if(strcmp(s,"24:00")==0)
                printf("12\n");
                 else if(strcmp(s,"00:00")==0)
                printf("12\n");
                else
                    printf("0\n");
        }
    }
    return 0;
}