LeetCode | Minimum Path Sum(最小路径和)
来源:互联网 发布:网络支付平台的弊端 编辑:程序博客网 时间:2024/05/17 02:19
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.
Note: You can only move either down or right at any point in time.
题目解析:找一条路径,从左上到右下使其和最小。
还是利用动态规划:f[i][j] = min(f[i-1][j], f[i][j-1]) + a[i][j]
class Solution {public: int minPathSum(vector<vector<int> > &grid) { if(grid.size() == 0) return 0; int row = grid.size(); int col = grid[0].size(); for(int i = 1;i < col;i++) grid[0][i] = grid[0][i-1]+grid[0][i]; for(int i = 1;i < row;i++) grid[i][0] = grid[i][0] + grid[i-1][0]; for(int i = 1;i < row;i++){ for(int j = 1;j < col;j++){ grid[i][j] += min(grid[i-1][j],grid[i][j-1]); } } return grid[row-1][col-1]; }};
0 0
- [leetcode]Minimum Path Sum 最小路径和
- Leetcode:Minimum Path Sum 最小路径和
- LeetCode | Minimum Path Sum(最小路径和)
- LeetCode OJ 之 Minimum Path Sum (最小路径和)
- LeetCode 64. Minimum Path Sum(最小路径和)
- LeetCode--Minimum Path Sum (最小路径和)Python
- Leetcode 64. Minimum Path Sum 最小路径和 解题报告
- leetcode 64. Minimum Path Sum-最小路径和|动态规划
- [Leetcode-64]Minimum Path Sum 二维数组路径最小和
- Minimum Path Sum 最小路径和
- LinCode Minimum Path Sum 最小路径和
- leetcode64-Minimum Path Sum(最小路径和)
- lintcode minimum-path-sum 最小路径和
- 最小路径和—Minimum Path Sum
- 【LeetCode-面试算法经典-Java实现】【064-Minimum Path Sum(最小路径和)】
- 动态规划--最小路径和(Minimum Path Sum)
- 110.Minimum Path Sum-最小路径和(容易题)
- LeetCode(Minimum Path Sum) 找到路径中和最小的
- Python数据结构:序列(列表[]、元组())与映射(字典{})语法总结
- C++ 用libcurl库进行http 网络通讯编程
- J2EE编程心得-使用Hibernate出现的错误及解决方法 更新中...
- Cocos2d-x JSB + Cocos2d-html5 跨平台游戏开发(一)—— 引擎选择
- PHP中比较两个时间的大小与日期的差值
- LeetCode | Minimum Path Sum(最小路径和)
- TCP滑动窗口和socket缓冲区之间的关系(记录)
- 回溯法-符号三角形
- Flex事件流中有关 【 stopImmediatePropagation()和stopPropagation()】 的区别
- -ObjC -all_load -force_load
- 排序二叉树及其Java实现
- C++的cin,cin.get(),cin.getline(),getline(),gets()
- 浅析Android中如何利用attrs和styles定义控件
- C++之练习题40