Search a 2D Matrix

class Solution {
public:
    bool searchMatrix(vector<vector<int>>& matrix, int target) {
        if(matrix.size() == 0)
            return false;
        bool result = false;
        int row = 0, col = matrix[0].size() - 1;
        while(row < matrix.size() && col >=0)
        {
            if(matrix[row][col] == target)
            {
                return true;
            }
            else if(matrix[row][col] > target)
            {
                col--;
            }
            else
            {
                row++;
            }
        }
        return result;
    }
};

Search a 2D Matrix

原文：http://blog.csdn.net/xsloop/article/details/46848229