[leetcode]55.JumpGame动态规划题目：跳数游戏

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[leetcode]55.JumpGame动态规划题目：跳数游戏

/** * Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maximum jump length at that position. Determine if you are able to reach the last index. For exampl…

[leetcode]55. Jump Game青蛙跳(能否跳到终点)

Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maximum jump length at that position. Determine if you are able to reach the last index. Input: [2,3,1,1,…

[LeetCode] 55. Jump Game 跳跃游戏

Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maximum jump length at that position. Determine if you are able to reach the last index. Example 1: Input…

[bzoj1978][BeiJing2010]取数游戏 game_动态规划_质因数分解

取数游戏 game bzoj-1978 BeiJing-2010 题目大意:给定一个$n$个数的$a$序列,要求取出$k$个数.假设目前取出的数是$a_j$,那么下次取出的$a_k$必须保证:$j<k$且$gcd(a_j,a_k)/reL$.问最多能取出多少个数. 注释:$1\le n\le 5\cdot 10^4$,$2\le L \le a_i\le 10^6$. 想法: 显然可以用动态规划解决. 状态:$dp_i$表示强制选第$i$个数,前$i$个数中最多能取多少个数. 转移是$O(n^2…

leetcode 55 Jump Game 三种方法，回溯、动态规划、贪心

Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your maximum jump length at that position. Determine if you are able to reach the last index. Example 1: Input…