# C++ > Games Code Examples

## Computer picks a random number from 0 to 100, and the user tries

``` Computer picks a random number from 0 to 100, and the user tries to guess the number. /* HIGH/LOW GAME */ #include<iostream.h> #include<conio.h> #include<stdlib.h> /* This program plays a simple game. */ const int totchan=7; void main() { int number; //the computer's random number int guess; //the user's guess int chances=0,score=0,chanscor; //chanscor stores score for 1 successful chance. char ans; do { clrscr(); chances=score=0; cout<<" Welcome to the High/Low game."; cout<<" I will pick a random number from 0 to 100."; cout<<" You must try to guess the number. "; randomize(); number=(int)(rand()%100); chanscor=100/totchan; //score for each successful chance do { cout<<" What is your guess? (0 to 100) "; cin>>guess; if((guess<0)||(guess>100)) { cout<<"Sorry, but your guess "<<guess<<"must be from 0 to 100."; } else if(guess < number) { cout<<guess<<" is low.Try a higher number."; } else if(guess > number) { cout<<guess<<" is high.Try a lower number."; } else //if correct number is guessed { //number is correct, and the "do" loop will end below cout<<guess<<" is correct. Congratulations!"; score=chanscor*(totchan-chances); //score calculated for number of chances left cout<<" Your score is "<<score<<endl; break; } chances++; if(guess!=number) cout<<" Now you have "<<totchan-chances<<"chances left."<<endl; if(chances==totchan) { cout<<" Only "<<totchan<<"chances are allowed.Better luck next time"; cout<<" The actual number was "<<number<<endl; break; } }while (guess!=number); cout<<" Thank you for playing High/Low!"; cout<<"Want to play it again? (y/n)..."; cin>>ans; }while(ans=='y' || ans=='Y'); } ```