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  1.     void permute(vector<int> &arr, int beg, int end, vector<int> &ind, int k)
  2.     {
  3.     	if(beg == end){
  4.     		if(countK(arr) == k)
  5.     			ans++;
  6.     		return;
  7.     	}
  8.     	for(int i=beg; i<=end; i++)
  9.     	{
  10.     		swap(arr, ind[0], ind[i]);
  11.     		permute(arr, beg+1, end, ind, k);
  12.     		swap(arr, ind[0], ind[i]);
  13.     	}
  14.     }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:1:18: error: variable or field ‘permute’ declared void
     void permute(vector<int> &arr, int beg, int end, vector<int> &ind, int k)
                  ^~~~~~
prog.cpp:1:18: error: ‘vector’ was not declared in this scope
prog.cpp:1:25: error: expected primary-expression before ‘int’
     void permute(vector<int> &arr, int beg, int end, vector<int> &ind, int k)
                         ^~~
prog.cpp:1:36: error: expected primary-expression before ‘int’
     void permute(vector<int> &arr, int beg, int end, vector<int> &ind, int k)
                                    ^~~
prog.cpp:1:45: error: expected primary-expression before ‘int’
     void permute(vector<int> &arr, int beg, int end, vector<int> &ind, int k)
                                             ^~~
prog.cpp:1:54: error: ‘vector’ was not declared in this scope
     void permute(vector<int> &arr, int beg, int end, vector<int> &ind, int k)
                                                      ^~~~~~
prog.cpp:1:61: error: expected primary-expression before ‘int’
     void permute(vector<int> &arr, int beg, int end, vector<int> &ind, int k)
                                                             ^~~
prog.cpp:1:72: error: expected primary-expression before ‘int’
     void permute(vector<int> &arr, int beg, int end, vector<int> &ind, int k)
                                                                        ^~~
stdout
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Standard output is empty
https://ideone.com/s9eeax
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
secret

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