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  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4. int main()
  5. {
  6. 	int n,t;
  7. 	cin>>t;
  8. 	while(t--)
  9. 	{
  10. 	cin >> n;
  11. 	string cmd;
  12. 	char str[1000];
  13. 	char* arg;
  14. 	string s = "/";
  15. 	string path;
  16. 	while(n--)
  17. 	{
  18. 		cin >> cmd;
  19. 		if(cmd == "cd")
  20. 		{
  21. 			cin >> str;
  22. 			if(str[0] == '/')
  23. 			{
  24. 				s = "/";
  25. 				arg = str + 1;
  26. 			}
  27. 			else
  28. 			{
  29. 				arg = str;
  30. 			}
  31. 			int j;
  32. 			string cur = "";
  33. 			path = arg;
  34. 			path += "/";
  35. 			for(j = 0; j < path.length(); j++)
  36. 			{
  37. 				if(path[j] == '/')
  38. 				{
  39. 					if(cur == "..")
  40. 					{
  41. 						int k;
  42. 						for(k = s.length() - 2; k >= 0; k--)
  43. 						{
  44. 							if(s[k] == '/') break;
  45. 						}
  46. 						s.resize(k + 1);
  47. 					}
  48. 					else
  49. 					{
  50. 						s += cur;
  51. 						s += "/";
  52. 					}
  53. 					cur = "";
  54. 				}
  55. 				else
  56. 				{
  57. 					cur += path[j];
  58. 				}
  59. 			}
  60. 		}
  61. 		else
  62. 		{
  63. 			cout << s << endl;
  64. 		}
  65. 	}}
  66. 	return 0;
  67. }
Success #stdin #stdout 0s 2868KB
comments ()
stdin 
1
9
pwd
cd /home/csed
pwd
cd /lab/root/../dir
pwd
cd /home
pwd
cd lab
pwd
stdout 
/
/home/csed/
/lab/dir/
/home/
/home/lab/
https://ideone.com/OEfgCA
CLCO01 - Nikhil and Commands
language:
C++ 4.3.2 (gcc-4.3.2)
created:
9 years ago
visibility:
secret

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