message: Update count-vowels-permutation.cpp
diff: @@ -39,7 +39,7 @@ private:
  }
  vector<vector<int>> matrixMult(const vector<vector<int>>& A, const vector<vector<int>>& B) {
  - vector<vector<int>> result(A.size(), vector<int>(A.size()));
  + vector<vector<int>> result(A.size(), vector<int>(B[0].size()));
  for (int i = 0; i < A.size(); ++i) {
  for (int j = 0; j < B[0].size(); ++j) {
  int64_t entry = 0;
  