fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int findBestMove(int stones) {
  5.     if (stones == 1 || stones == 2)
  6.         return stones;
  7.  
  8.     for (int move = 1; move <= 2; move++) {
  9.         int remaining = stones - move;
  10.  
  11.         if (remaining % 3 == 0) {
  12.             return move;
  13.         }
  14.     }
  15.  
  16.     return 1;
  17. }
  18.  
  19. int main() {
  20.     int stones;
  21.  
  22.     cout << "Enter the number of stones: ";
  23.     cin >> stones;
  24.  
  25.     cout << "Stone Game - You and the AI will take turns.\n";
  26.     cout << "You can take 1 or 2 stones each turn.\n";
  27.     cout << "Whoever takes the last stone wins!\n";
  28.  
  29.     while (stones > 0) {
  30.         cout << "\nStones remaining: " << stones << endl;
  31.  
  32.         int playerMove;
  33.         cout << "Your turn! Take 1 or 2 stones: ";
  34.         cin >> playerMove;
  35.  
  36.         if ((playerMove != 1 && playerMove != 2) || playerMove > stones) {
  37.             cout << "Invalid move. Try again.\n";
  38.             continue;
  39.         }
  40.  
  41.         stones -= playerMove;
  42.  
  43.         if (stones == 0) {
  44.             cout << "You win! Congratulations!\n";
  45.             break;
  46.         }
  47.  
  48.         int aiMove = findBestMove(stones);
  49.         cout << "AI takes " << aiMove << " stones.\n";
  50.         stones -= aiMove;
  51.  
  52.         if (stones == 0) {
  53.             cout << "AI wins! Better luck next time.\n";
  54.             break;
  55.         }
  56.     }
  57.  
  58.     return 0;
  59. }
Success #stdin #stdout 0s 5308KB
comments (?)
stdin
copy 
4
1
2
stdout
copy 
Enter the number of stones: Stone Game - You and the AI will take turns.
You can take 1 or 2 stones each turn.
Whoever takes the last stone wins!

Stones remaining: 4
Your turn! Take 1 or 2 stones: AI takes 1 stones.

Stones remaining: 2
Your turn! Take 1 or 2 stones: You win! Congratulations!
https://ideone.com/tgZTfx
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!