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

main()
 {
   int type;                     //to store the type to traffic violation
   int fine;                    //to store the amount of fine against violation type
   int duration;                //to store the number of days passed till challan date
   int challan;                 //to store the challan against violation type and number of days passed
   char choice = 'y';           //to get user's choice whether to calculate another challan or not

do {
    system("cls");                  //clear screen function
    
    //following 4 lines of code are printing information about how to select a specific traffic violation
    cout << "******* CHALLAN CALCULATOR FOR TRAFFIC VIOLATIONS *******" << endl <<endl;
    cout << "Enter '1' for breaking signal" << endl;
    cout << "Enter '2' for over speeding" << endl;
    cout << "Enter '3' for not wearing seat belt" << endl;
    
    // Taking input from user to select a violation type in variable "type" 
    cout << endl << "Enter the type of traffic violation (1, 2, or 3) : "  ;
    cin >> type;
//if user enters anything except 1, 2, or 3, the error message will be shown and do-while loop will start again due to continue statement
        if(type <1 || type > 3)
           {
             cout << endl <<"Enter a valid type of traffic violation";

//getch() function will get a character from user. Its used here to hold the output screen before executing continue statement so that user can see the error message before screen gets cleared             
             getch();  
             continue; 
                 }
//Taking input for number of days passed till challan date in variable duration
    cout << "Enter the number of days passed till challan date : ";
    cin >> duration;


//Checking value of "type" variable and assigning corresponding amount of fine to variable "fine"
            switch(type)
            {
                case 1:
                 fine = 500;
                break;
                
                case 2:
                 fine = 300;
                break;
                
                case 3:
                 fine = 200;
                break;
             
                 }
                 
//Calculating total challan according to number of days passed till challan date
    if(duration <=10)
       {
         challan = fine;
         }
    else if(duration <=30)
       {
         challan = fine * 2;
         }
     else 
       {
         challan = fine * 2 + (fine / 2);
         }
       
     cout << "The total challan is Rs." << challan << endl << endl;

//taking user's choice whether to calculate another challan or not 
     cout << "Do you want to calculate another challan? (y/n) : ";
     cin >> choice;

//loop will start again only if the choice is y or Y
        }while(choice == 'y' || choice == 'Y');   
    
  }