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  1. #include <iostream>
  2. #include <ctime>
  3. #include <string>
  4. using namespace std;
  5.  
  6. bool valid_hand(int hand)
  7. {
  8. 	return 1 <= hand && hand <= 3;
  9. }
  10. std::string hand_to_str(int hand)
  11. {
  12. 	switch (hand)
  13. 	{
  14. 		case 1: return "Rock";
  15. 		case 2: return "Scissors";
  16. 		case 3: return "Cloth";
  17. 		default: return "(invalid)";
  18. 	}
  19. }
  20.  
  21. void print_hand(int hand, int npc)
  22. {
  23. 	cout << "Your hand: " << hand_to_str(hand) << endl;
  24. 	cout << "NPC's hand: " << hand_to_str(npc) << endl;
  25. }
  26.  
  27. int judge(int hand, int npc)
  28. {
  29. 	--hand;
  30. 	--npc;
  31. 	return (3 + hand - npc) % 3;
  32. }
  33.  
  34. void show_score(int urscore, int npcscore)
  35. {
  36. 	cout << "Now your score is: " << urscore << endl;
  37. 	cout << "    npc's score is: " << npcscore << endl;
  38. }
  39.  
  40. void wait_key(int& end)
  41. {
  42. 	cout << "\n - Press any key to continue the game." << endl;
  43. 	cin >> end;
  44. }
  45.  
  46. int main(void)
  47. {
  48. 	int urscore = 0;
  49. 	int npcscore = 0;
  50. 	int end = 0;
  51.  
  52. 	while (!end) {
  53. 		int hand;
  54. 		int npc = rand() % 3 + 1;
  55.  
  56. 		do
  57. 		{
  58. 			cout << "Select => 1:Rock | 2:Scissors | 3:Cloth" << endl;
  59. 			cin >> hand;
  60. 		} while (!valid_hand(hand));
  61.  
  62. 		print_hand(hand, npc);
  63. 		int j = judge(hand, npc);
  64. 		if (j == 0) {
  65. 			cout << "Result : Draw" << endl;
  66. 			++urscore;
  67. 			++npcscore;
  68. 		}
  69. 		else if (j == 1) {
  70. 			cout << "Result : Lose" << endl;
  71. 			++npcscore;
  72. 		}
  73. 		else if (j == 2) {
  74. 			cout << "Result : Win" << endl;
  75. 			++urscore;
  76. 		}
  77. 		show_score(urscore, npcscore);
  78. 		wait_key(end);
  79. 	}
  80. 	return 0;
  81. }
Success #stdin #stdout 0s 4520KB
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Select => 1:Rock | 2:Scissors | 3:Cloth
Your hand: Rock
NPC's hand: Scissors
Result : Win
Now your score is: 1
    npc's score is: 0

 - Press any key to continue the game.
Select => 1:Rock | 2:Scissors | 3:Cloth
Your hand: Scissors
NPC's hand: Scissors
Result : Draw
Now your score is: 2
    npc's score is: 1

 - Press any key to continue the game.
Select => 1:Rock | 2:Scissors | 3:Cloth
Your hand: Cloth
NPC's hand: Rock
Result : Win
Now your score is: 3
    npc's score is: 1

 - Press any key to continue the game.
Select => 1:Rock | 2:Scissors | 3:Cloth
Select => 1:Rock | 2:Scissors | 3:Cloth
Your hand: Cloth
NPC's hand: Scissors
Result : Lose
Now your score is: 3
    npc's score is: 2

 - Press any key to continue the game.
https://ideone.com/MEwPkn
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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