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  1.      /* HIGH/LOW GAME */
  2. #include<iostream.h>
  3. #include<conio.h>
  4. #include<stdlib.h>
  5. /*
  6. This program plays a simple game.The computer picks a random number 
  7. from
  8. 0 to 100, and the user tries to guess the number.
  9. */
  10. const int totchan=7;
  11. void main()
  12. {
  13.  int number;        //the computer's random number
  14.  int guess;         //the user's guess
  15.  int chances=0,score=0,chanscor;        //chanscor stores score for 1
  16. successful chance.
  17.  char ans;
  18.  do
  19.  { clrscr();
  20.    chances=score=0;
  21.    cout<<"
  22. 				Welcome to the High/Low game.";
  23.    cout<<"
  24. 			I will pick a random number from 0 to 100.";
  25.    cout<<"
  26. 			    You must try to guess the number.
  27. ";
  28.    randomize();
  29.    number=(int)(rand()%100);
  30.    chanscor=100/totchan;        //score for each successful chance
  31.    do
  32.    {
  33.      cout<<"
  34. 	What is your guess? (0 to 100) ";
  35.      cin>>guess;
  36.      if((guess<0)||(guess>100))
  37.      {
  38. 	cout<<"Sorry, but your guess "<<guess<<"must be from 0 to 100.";
  39.      }
  40.      else if(guess < number)
  41.      {
  42. 	cout<<guess<<" is low.Try a higher number.";
  43.      }
  44.      else if(guess > number)
  45.      {
  46. 	cout<<guess<<" is high.Try a lower number.";
  47.      }
  48.      else		//if correct number is guessed
  49.      {			//number is correct, and the "do" loop will end below
  50. 	cout<<guess<<" is correct. Congratulations!";
  51. 	score=chanscor*(totchan-chances);   //score calculated for number of
  52. chances left
  53. 	cout<<"
  54. 	Your score is "<<score<<endl;
  55.         break;
  56.      }
  57.      chances++;
  58.      if(guess!=number)
  59. 	 cout<<"
  60.  
  61. Now you have "<<totchan-chances<<"chances left."<<endl;
  62.      if(chances==totchan)
  63. 	 { cout<<"
  64.  
  65. Only "<<totchan<<"chances are allowed.Better luck next
  66. time";
  67. 	   cout<<"
  68. The actual number was "<<number<<endl;
  69. 	   break;
  70. 	 }
  71.      }while (guess!=number);
  72.      cout<<"
  73.  
  74. Thank you for playing High/Low!";
  75.      cout<<"Want to play it again? (y/n)...";
  76.      cin>>ans;
  77.    }while(ans=='y' || ans=='Y');
  78.  }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:2:21: fatal error: iostream.h: No such file or directory
 #include<iostream.h>
                     ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/Lq6W2R
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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