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  1. #include <cstdio>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.  
  8. 	vector<char>input;
  9. 	char c = getchar();
  10.  
  11. 	while (c != EOF) {
  12. 		input.push_back(c);
  13. 		c = getchar();
  14. 	}
  15.  
  16. 	int inputLength = input.size();
  17. 	bool blockComment = false;
  18. 	bool lineComment = false;
  19. 	bool str = false;
  20.  
  21. 	for (int i = 0; i < inputLength; ++i) {
  22. 		if (!lineComment && !blockComment) {
  23. 			if (input[i] == '\"') {
  24. 				if (input[i - 1] == '\\') {
  25. 					putchar('\"');
  26. 					continue;
  27. 				} else {
  28. 					str = !str;
  29. 					putchar('\"');
  30. 					continue;
  31. 				}
  32. 			}
  33. 		}
  34.  
  35. 		if (!str) {
  36. 			if (lineComment && input[i] != '\n') {
  37. 				continue;
  38. 			} else if (lineComment && input[i] == '\n') {
  39. 				if (input[i - 1] == '\\') {
  40. 					continue;
  41. 				} else {
  42. 					lineComment = false;
  43. 					putchar('\n');
  44. 					continue;
  45. 				}
  46. 			}
  47.  
  48. 			if (blockComment && input[i] != '*') {
  49. 				continue;
  50. 			} else if (blockComment && input[i] == '*' && input[i + 1] == '/') {
  51. 				blockComment = false;
  52. 				i++;
  53. 				continue;
  54. 			} else if (blockComment && input[i] == '*' && input[i + 1] != '/') {
  55. 				continue;
  56. 			}
  57. 		}
  58.  
  59. 		if (input[i] != '/') {
  60. 			putchar(input[i]);
  61. 		} else {
  62. 			if(!str) {
  63. 				if (input[i + 1] == '*') {
  64. 					blockComment = true;
  65. 					i++;
  66. 				} else if (input[i + 1] == '/') {
  67. 					lineComment = true;
  68. 					i++;
  69. 				} else {
  70. 					putchar(input[i]);
  71. 				}
  72. 			} else {
  73. 				putchar(input[i]);
  74. 			}
  75. 		}
  76. 	}
  77.  
  78. 	return 0;
  79. }
Success #stdin #stdout 0s 2740KB
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https://ideone.com/sfriD6
language:
C++ 4.3.2 (gcc-4.3.2)
created:
7 years ago
visibility:
public

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