1260. Shift 2D Grid.cpp

class Solution {
public:
    vector<vector<int>> shiftGrid(vector<vector<int>>& grid, int k) {
        
        vector<vector<int>> temp;
        temp  = grid;
        
        int n  = grid.size();
        
        int m = grid[0].size();
        
        while(k--)
        {
            for(int i=0;i<n;i++)
            {
                for(int j=1;j<m;j++)
                {
                    temp[i][j] = grid[i][j-1]; 
                }
            }
            
            for(int i=0;i<n-1;i++)
            {
                temp[i+1][0] = grid[i][m-1];
            }
            
            temp[0][0] = grid[n-1][m-1];
            
            
            grid = temp;
            
            
            
            
            
            
            
        }
        
        
        return temp;
        
    }
};