fork download
copy 
  1. #include <iostream>
  2. #include <map>
  3. #include <cstdlib>
  4. #include <sstream>
  5. using namespace std;
  6.  
  7. int main() {
  8. 	map<string,int> variables;
  9.  
  10. 	string line[2000];
  11. 	cin >> line[0];
  12. 	string line2;
  13. 	int i;
  14.  
  15. 	while(cin >> line2) {
  16. 		bool clear = false;
  17. 		if(line[0] == "clear") {
  18. 			clear = true;
  19. 			line[0] = line2;
  20. 			goto END1;
  21. 		}
  22. 		i = 1;
  23. 		line[1] = line2;
  24.  
  25. 		while(line[i] != "def" && line[i] != "clear" && line[i] != "calc") {
  26. 			i++;
  27. 			cin >> line[i];
  28. 		}
  29.  
  30. 		if(line[0] == "clear") {
  31. 			goto END1;
  32. 		} else if(line[0] == "def") {
  33. 			char* line1 = &(line[2][0]);
  34. 			variables[line[1]] = atoi(line1);
  35. 		} else {
  36. 			bool unknown = false;
  37. 			int sum = 0;
  38. 			int j = 1;
  39. 			sum += variables[line[j]];
  40. 			j++;
  41. 			A:
  42. 			if(line[j] == "+") {
  43. 				string temp = line[j + 1];
  44. 				char* temp1 = &temp[0];
  45. 				map<string,int>::iterator it = variables.find(temp1);
  46. 				if(it != variables.end())
  47. 					sum += variables[line[j + 1]];
  48. 				else {
  49. 					unknown = true;
  50. 					goto B;
  51. 				}
  52. 			} else if(line[j] == "-") {
  53. 				string temp = line[j+1];
  54. 				char* temp2 = &temp[0];
  55. 				map<string,int>::iterator it = variables.find(temp2);
  56. 				if(it != variables.end())
  57. 					sum -= variables[line[j + 1]];
  58. 				else {
  59. 					unknown = true;
  60. 					goto B;
  61. 				}
  62. 			} else if(line[j] == "=") {
  63. 				goto B;
  64. 			}
  65. 			j += 2;
  66. 			goto A;
  67. 			B:
  68. 			string h = "";
  69. 			for(int k = 1; k < i; k++) {
  70. 				h += line[k] + " ";
  71. 			}
  72. 			if(unknown == false) {
  73. 				string qwe;
  74. 				for(map<string,int>::iterator it = variables.begin(); it != variables.end(); it++) {
  75. 					int x = it->second;
  76. 					if(x == sum) {
  77. 						qwe = it->first;
  78. 						goto ASD;
  79. 					}
  80. 				}
  81. 				goto UNKNOWN;
  82. 				ASD:
  83. 				stringstream ss;
  84. 				ss << qwe;
  85. 				h += ss.str();	
  86. 			} else {
  87. 				UNKNOWN:
  88. 				h += "unknown";
  89. 			}
  90. 			cout << h << endl;
  91. 		}
  92. 		line[0] = line[i];
  93. 		END1:
  94. 		if(clear)
  95. 			variables.clear();
  96. 	}
  97.  
  98. 	return 0;
  99. }
Success #stdin #stdout 0s 3480KB
comments (?)
stdin
copy 
def foo 3
calc foo + bar =
def bar 7
def programming 10
calc foo + bar =
def is 4
def fun 8
calc programming - is + fun =
def fun 1
calc programming - is + fun =
clear
calc programming - is + fun =
stdout
copy 
foo + bar = unknown
foo + bar = programming
programming - is + fun = unknown
programming - is + fun = bar
programming - is + fun = unknown
https://ideone.com/Qp2v3D
language:
C++ (gcc 8.3)
created:
7 years 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!