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  1. #include <algorithm>
  2. #include <string>
  3. #include <iostream>
  4.  
  5. int main()
  6. {   int nsize=4;
  7.     int arr[] = {1,2,3,4};
  8.     int array[24][4];
  9.     size_t k=0;
  10.     std::sort(arr, arr+nsize);
  11.     do {
  12.         for(int i=0;i<nsize;i++)
  13.          array[k][i] = arr[i];
  14.          k++;
  15.     } while(std::next_permutation(arr, arr+nsize));
  16.  
  17.     for(auto &i:array){
  18.     for(auto &j:i)
  19.       std::cout<<j<<" ";
  20.      std::cout<<std::endl;
  21.      }
  22. }
Success #stdin #stdout 0s 3296KB
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stdin
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Standard input is empty
stdout
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1 2 3 4 
1 2 4 3 
1 3 2 4 
1 3 4 2 
1 4 2 3 
1 4 3 2 
2 1 3 4 
2 1 4 3 
2 3 1 4 
2 3 4 1 
2 4 1 3 
2 4 3 1 
3 1 2 4 
3 1 4 2 
3 2 1 4 
3 2 4 1 
3 4 1 2 
3 4 2 1 
4 1 2 3 
4 1 3 2 
4 2 1 3 
4 2 3 1 
4 3 1 2 
4 3 2 1
https://ideone.com/48FK5Y
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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