Probability in c++

   /*Qusetion:
              3 dies are rolled
              i)Find the Sample space
              ii)Find the probability of an event that have sum of dots in
              3 die is more than 10 */


   #include <iostream>
   #include <conio>
   #include <stdlib>

     void main()

    {
            int i,j,k,n;
            float z;
           float  l=0.0; /*l has a data type float mean l store floating value like...1.0,2.3...... and here it count the
           event which grater than 10;*/
           float d=0.0;/*d also has a data type float and here use to count totall sample spaces(All possible cases which
           occure when 3 dies are rolled) */

           while(1)

           {

             cout<<"\t\t~~~~~~~~~~~~~~~~~~~~~~~\n";
            cout<<"\t\tWELCOM TO MAIN MENU\n";
             cout<<"\t\tWHAT DO YOU WANT \n\n";
              cout<<"\t\t~~~~~~~~~~~~~~~~~~~~~~~\n\n";
             cout<<"********************************************************************************\n";
             cout<<"\tPRESS 1 for sample spaces\t";
             cout<<endl<<endl;
             cout<<"\tPRESS 2 for An Event that has sum of 3 dots of die is grater than 10 \t ";
             cout<<endl;
             cout<<"\tPRESS 3 for Check probability of An Event that has sum of 3 dots of"<<endl;
             cout<<"        Dies are grater than 10\t";
             cout<<endl<<endl;
             cout<<"\tPRESS 4 for Exit from the Main Menu\t ";
             cout<<endl<<endl;
             cout<<"********************************************************************************\n";
             cin>>n;

             switch(n)
             {
             case 1:

                 cout<<"The sample spaces when 3 dies rolled are\n";
            for(i=1;i<=6;i++)   /*For first die D1={1,2,3,4,5,6}*/

            {
             for(j=1;j<=6;j++) /*For 2nd die D2={1,2,3,4,5,6}*/

             {
             for(k=1;k<=6;k++) /*For 3rd die D3={1,2,3,4,5,6}*/
             {
               cout<<i<<j<<k<<endl;
                 d++;
              }}
                                                                  /*d++ mean here it increament its value when one sample dispalay
              d=1,for 2nd sample d=2,and so d=1,2,3,4,5,.....................216*/
              } cout<<"The total sample spaces is=\t"<<d<<endl;
                break;

               case 2:


                cout<<"The sample space which is grater than 10 is\n";
               for(i=1;i<=6;i++)   /*For first die D1={1,2,3,4,5,6}*/

            {
             for(j=1;j<=6;j++) /*For 2nd die D2={1,2,3,4,5,6}*/

             {
             for(k=1;k<=6;k++) /*For 3rd die D3={1,2,3,4,5,6}*/
             {
             if(i+j+k>10)/*if is a conditional statemaent which is used here that sum of 3 dots of die is grater than 10*/
             {
              cout<<i<<j<<k<<endl;
                l++;


           }}} } cout<<"The sample spaces that have sum of 3 dots has grater than 10  Are\t"<<l<<endl;

           break;

             case 3:




             z=l/d;
               cout<<"The probability of P(A):\t"<<z<<endl;

               break;




             case 4:

         exit(0);
             break;


             }   }
    getch();}