1061. Dating (20)

 #include <stdio.h>
 #include <map>
 #include <string.h>
 #include <ctype.h>
 using namespace std;
 int main()
 {
    map<char,int> ToHour;
    int i;
    for(i=;i<=;i++)
        ToHour[''+i]=i;
    for(i='A';i<='N';i++)
        ToHour[i]=i-'A'+;

    char Week[][]={ "MON", "TUE", "WED", "THU", "FRI","SAT","SUN"};

    char line1[],line2[],line3[],line4[];

    while(gets(line1)!=NULL)
    {
        gets(line2);
        gets(line3);
        gets(line4);
        int fir=;
        for(i=;i<(strlen(line1)<strlen(line2)?strlen(line1):strlen(line2));i++)
        {
            if(line1[i]==line2[i]&&line1[i]>='A'&&line1[i]<='G')
            {
                   printf("%s",Week[line1[i]-'A']);
                   break;
            }
        }

        for(++i;i<(strlen(line1)<strlen(line2)?strlen(line1):strlen(line2));i++)
        {
            if(line1[i]==line2[i]&&((line1[i]>='A'&&line1[i]<='N')||(line1[i]>=''&&line1[i]<='')))
            {
                       printf(" %02d",ToHour[line1[i]]);
                        break;
            }
        }

         for(i=;i<(strlen(line3)<strlen(line4)?strlen(line3):strlen(line4));i++)
         {
             if(line3[i]==line4[i]&&isalpha(line3[i]))
             {
                 printf(":%02d\n",i);
                 break;
             }
         }
    }

 }