UVa --> 11219 - How old are you?

11219.cpp

/*        Nasim            */

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int day,month,year;
    int day1,month1,year1;
    int n,k=0,age;
    cin>>n;
    while (n != k++)
    {
        scanf("%d/%d/%d",&day,&month,&year);
        scanf("%d/%d/%d",&day1,&month1,&year1);

       int total_day = day+(month*30);
       int total_day1 = day1+(month1*30);

       if (year == year1)
       {
           if (total_day>=total_day1)
                printf("Case #%d: 0\n",k);
           else if(total_day<total_day1)
               printf("Case #%d: Invalid birth date\n",k);
       }

       else if (year<year1)
       {
           printf("Case #%d: Invalid birth date\n",k);
       }

       else if (year>year1)
       {
           if (total_day>=total_day1)
           {
               age = year-year1;
               if (age>130)
                    printf("Case #%d: Check birth date\n",k);
               else if (age>=0&&age<=130)
                    printf("Case #%d: %d\n",k,age);
           }
           else if(total_day<total_day1)
           {
               age = year-year1;
               age--;
               if (age>130)
                    printf("Case #%d: Check birth date\n",k);
               else if (age>=0&&age<=130)
                    printf("Case #%d: %d\n",k,age);
           }
       }
    }
    return 0;
}