Answer to Question #36886 in C++ for Qamar Iqbal

Question

How to Write a program that takes two dates from user in dd/mm/yy and prints difference between given two dates.

Answer 1

#include <iostream>
#include <cstdlib>
#include <conio.h>
#include <stdio.h> 
#include <math.h>
 
using namespace std;

 
int main ()
{
      int y1, y2, m1, m2, d1, d2;
      cout << "Please enter the first date" << endl;      
      do
      {
      cout << "Enter year ";
      cin >> y1;
      system("cls");      
      }      while(y1<0);
     do      
     {      cout << "Enter Month ";
     cin >> m1;
     system("cls");
     }      
     while(m1<0 || m1 >12);
     if(m1==2)
     {               
             do               
              {  cout << "Enter day "; 
                 cin >> d1;               
              }               
              while (d1<0 || d1 >28);
              system("cls");      
     }      else      
      {          
                 do               
          {                  
            cout << "Enter day "; 
            cin >> d1;               
          }
            while (d1<0 || d1 >31);               
            system("cls");      
     }      
    cout << "Please enter the second date" << endl;      
    do      {      cout << "Enter year ";      
    cin >> y2;      
    system("cls");      
     } 
     while(y2<0);
       do
             {
    cout << "Enter Month ";
    cin >> m2;
    system("cls");      
     }      
     while(m2<0 || m2>12);     
     if(m2==2)      
    {               
         do               
               {
                  cout << "Enter day ";                    
     cin >> d2;               
     }               
      while (d2<0 || d1 >28);
      system("cls");      
     }      
   else      
      {          
        do              
            {                 
              cout << "Enter day ";                    
              cin >> d2;               
            }               
            while (d2<0 || d1 >31);               
            system("cls");      
       }
         system("cls");           
       int y;     
       int m;     
       int d;     
       y = abs(y2-y1);     
       m = abs(m2-m1);     
       d = abs(d2-d1);     
      cout << "The difference between dates is:  " << y << " years  "<<m<<" 
    months  "<<d<<"days"<<endl;     
      system("PAUSE");       
    };