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  1. #include <iostream>
  2. #include <chrono>
  3. #include <thread>
  4.  
  5. #include <conio.h>//not standard.
  6.  
  7. class StopWatch {
  8. 	std::chrono::high_resolution_clock::time_point S;
  9. 	std::chrono::high_resolution_clock::time_point E;
  10. public:
  11.  
  12. 	typedef std::chrono::milliseconds TimeType;
  13.  
  14. 	StopWatch() { Start(); };
  15.  
  16. 	bool Start() {
  17. 		S = E = std::chrono::high_resolution_clock::now();
  18. 		return true;
  19. 	}
  20. 	bool ReStart() {
  21. 		return Start();
  22. 	}
  23. 	bool Stop() {
  24. 		E = std::chrono::high_resolution_clock::now();
  25. 		return true;
  26. 	}
  27.  
  28. 	bool Reset() {
  29. 		S = E = std::chrono::high_resolution_clock::now();
  30. 		return true;
  31. 	}
  32. 	template<class T = TimeType>
  33. 	T Ellipse() {
  34. 		return std::chrono::duration_cast<T>(std::chrono::high_resolution_clock::now() - S);
  35. 	}
  36. 	template<class T = TimeType>
  37. 	T Result() {
  38. 		return std::chrono::duration_cast<T>(E - S);
  39. 	}
  40.  
  41. };
  42.  
  43. int main() {
  44.  
  45. 	int key = -1;
  46.  
  47. L1:
  48.  
  49. 	std::cout << "wait enter key!" << std::endl;
  50.  
  51. 	key = _getch();
  52. 	if (key == 27) {
  53. 		return 1;
  54. 	}
  55. 	std::this_thread::sleep_for(std::chrono::nanoseconds(1));
  56. 	if (key != '\r') goto L1;
  57.  
  58. 	StopWatch SW;
  59. 	key = -1;
  60.  
  61. 	std::cin.clear();
  62.  
  63. 	SW.Start();
  64. 	while (key != '\r') {
  65. 		key = -1;
  66. 		std::cout << "wait enter key!" << std::endl;
  67. 		std::this_thread::sleep_for(std::chrono::nanoseconds(1));
  68. 		if (_kbhit()) {
  69. 			key = _getch();
  70. 			if (key != '\r') {
  71. 				std::cout << key << "is not enter key!" << std::endl;
  72. 			}
  73. 		}
  74. 		if (key == 27) {
  75. 			return 1;
  76. 		}
  77. 	}
  78. 	SW.Stop();
  79.  
  80. 	std::cout << "Count:" << SW.Result().count()<<"ms." << std::endl;
  81.  
  82. 	std::cin.clear();
  83.  
  84. 	return 0;
  85. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp:5:10: fatal error: conio.h: No such file or directory
 #include <conio.h>//not standard.
          ^~~~~~~~~
compilation terminated.
stdout 
Standard output is empty
https://ideone.com/B1ShSB
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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