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| class Solution {
public:
vector<vector<int>> transpose(vector<vector<int>>& matrix) {
int R = matrix.size(), C = matrix[0].size();
vector<vector<int>> ans(C, vector<int>(R));
for (int r = 0; r < R; ++r)
for (int c = 0; c < C; ++c)
ans[c][r] = matrix[r][c];
return ans;
}
};
|