【leetcode】第64题 Minimum Path Sum 题目+解析+JAVA代码
来源:互联网 发布:地图开疆 知乎 编辑:程序博客网 时间:2024/05/03 14:18
【题目】
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.
这道题和上两题还是很相似的。一个m*n的网格,里面填有正数,找一条从左上到右下的路径,使路径上的数字和最小(只能向下和向右移动)。这题还是用动态规划解答。
【代码】
public int minPathSum(int[][] grid) { int m=grid.length; int n=grid[0].length; for(int i=m-2;i>=0;i--){ grid[i][n-1]+=grid[i+1][n-1]; } for(int i=n-2;i>=0;i--){ grid[m-1][i]+=grid[m-1][i+1]; } for(int i=m-2;i>=0;i--){ for(int j=n-2;j>=0;j--){ grid[i][j]=grid[i][j]+Math.min(grid[i][j+1],grid[i+1][j]); } } return grid[0][0]; }
阅读全文
0 0
- 【leetcode】第64题 Minimum Path Sum 题目+解析+JAVA代码
- [Leetcode] Minimum Path Sum (Java)
- [LeetCode][Java] Minimum Path Sum
- [LeetCode][Java] Minimum Path Sum
- 【python】【leetcode】【算法题目64—Minimum Path Sum】
- LeetCode 64: Minimum Path Sum
- [leetcode 64] Minimum Path Sum
- [LeetCode 64]Minimum Path Sum
- leetcode || 64、Minimum Path Sum
- Minimum Path Sum - LeetCode 64
- Minimum Path Sum leetcode 64
- leetcode-64-Minimum Path Sum
- Leetcode 64(Minimum Path Sum)
- LeetCode(64) Minimum Path Sum
- Leetcode #64 Minimum Path Sum
- leetcode 64: Minimum Path Sum
- Leetcode#64||Minimum Path Sum
- LeetCode 64: Minimum Path Sum
- NLP深度学习 —— CS224学习笔记9
- spring boot 集成spring security
- C++之谨慎定义类型转换函数(针对隐式类型转化)(4)---《More Effective C++》
- 古文觀止卷八_柳子厚墓志銘_韓愈
- Effective C++的学习(Accustoming Yourself to C++)
- 【leetcode】第64题 Minimum Path Sum 题目+解析+JAVA代码
- Linux编辑环境变量
- 数据结构与算法:数组(二)
- 如何使用Arduino UNO开发板编程ATtiny85
- 算法:动态规划——线性模型之小朋友过桥
- (十一)信号事件的管理
- 单步调试 step into/step out/step over 区别
- DbUtils
- es6常用方法