【Leetcode】 64. Minimum Path Sum 求最小路径和 方法1 DP法 递推方程很容易写 我们完全可以不用判断边界,如果边界越界时取的值为无限大,那么越界的元素则不会产生影响,我们通过让初始值为无限大即可,代码可以变得更简洁。注意第一个元素要单独赋值。 改进的DP O(n) space 我们发现DP中的二维数组,每次更新
You have planned some train traveling one year in advance. The days of the year in which you will travel are given as an integer arraydays. Each day is an integer from1to365. Train tickets are sold inthree different ways: a1-daypass is sold forcosts[0]dollars, a7-daypass is sold fo...
classSolution{public:intmincostTickets(vector<int>& days,vector<int>& costs){intl = days.size();if(l ==0)return0;boolvis[366];memset(vis,0,sizeof(vis));for(autox : days) vis[x] =true;vector<int>dp(366,0x3f3f3f3f); dp[0] =0;for(inti=1; i<=365; i++) {if(vis[i] =...
https://github.com/grandyang/leetcode/issues/983 类似题目: Coin Change 参考资料: https://leetcode.com/problems/minimum-cost-for-tickets/ https://leetcode.com/problems/minimum-cost-for-tickets/discuss/226659/Two-DP-solutions-with-pictures https://leetcode.com/problems/minimum-cost-for-tickets/d...
题目地址:https://leetcode.com/problems/minimum-cost-for-tickets/ 题目描述 In a country popular for train travel, you have planned some train travelling one year in advance. The days of the year that you will travel is given as an array days. Each day is an integer from 1 to 365. ...
// LeetCode 2020 medium #815 // 983. Minimum Cost For Tickets // https://leetcode.com/problems/minimum-cost-for-tickets/ // Runtime: 4 ms, faster than 92.95% of C++ online submissions for Minimum Co…
Minimum Cost For Tickets Minimum’s Revenge Minimum length not met: value 0 < 1 minimum length minimum-genetic-mutation Minimum Depth of Binary Tree Leetcode: Minimum Path Sum #1586 : Minimum(线段树) 相关搜索 全部 Deployment does not have minimum availability Deployment does not have...
Alice 把n个气球排列在一根绳子上。给你一个下标从0开始的字符串colors,其中colors[i]是第i个气球的颜色。 Alice 想要把绳子装扮成五颜六色的,且她不希望两个连续的气球涂着相同的颜色,所以她喊来 Bob 帮忙。Bob 可以从绳子上移除一些气球使绳子变成彩色。给你一个下标从 0 开始的整数数组neededTime,其中neede...
1217. 玩筹码 - 有 n 个筹码。第 i 个筹码的位置是 position[i] 。 我们需要把所有筹码移到同一个位置。在一步中,我们可以将第 i 个筹码的位置从 position[i] 改变为: * position[i] + 2 或 position[i] - 2 ,此时 cost = 0 * position[i] + 1 或 position[i] - 1
In a country popular for train travel, you have planned some train travelling one year in advance. The days of the year that you will travel is given as an arraydays. Each day is an integer from1to365. Train tickets are sold in 3 different ways: ...