25.md

Print Matrix in Snake Pattern

 vector<int> snakePattern(vector<vector<int> > matrix)
    {   
        // code here
        vector<int> v;
        
        for(int i=0;i<matrix.size();i++)
        {
            if(i%2==0)          //for even i row no. include from beginning
            {
                for(int j=0;j<matrix[i].size();j++)
                {
                    v.push_back(matrix[i][j]);
                }
            }
            else        //for odd i row no. include from end
            {
                for(int j=matrix[i].size()-1;j>=0;j--)
                    v.push_back(matrix[i][j]);
            }
        }
        
        return v;
    }