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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. vector<vector<int> > performOps(vector<vector<int> > &A) {
  4.     vector<vector<int> > B;
  5.     B.resize(A.size());
  6.     for (int i = 0; i < A.size(); i++) {
  7.         B[i].resize(A[i].size());
  8.         for (int j = 0; j < A[i].size(); j++) {
  9.             B[i][A[i].size() - 1 - j] = A[i][j];
  10.         }
  11.     }
  12.     return B;
  13. }
  14.  
  15. int main() {
  16. 		vector<vector<int> > A = {{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}};
  17. 	vector<vector<int> > B = performOps(A);
  18. for (int i = 0; i < B.size(); i++) {
  19.     for (int j = 0; j < B[i].size(); j++) cout<<B[i][j]<<" ";
  20. }
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 5276KB
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Standard input is empty
stdout
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4 3 2 1 8 7 6 5 12 11 10 9
https://ideone.com/qvksPh
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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