【leetcode】1301. Number of Paths with Max Score 题目如下: You are given a squareboardof characters. You can move on the board starting at the bottom right square marked with the character'S'. You need to reach the top left square marked with the character'E'. The rest of the squares...
2, ...,9orwithan obstacle'X'.Inonemove you can go up,leftorup-left(diagonally)onlyif thereisnoobstacle there.Returna listoftwo integers: thefirstintegeristhe maximum sumofnumericcharacters you cancollect,andthesecondisthe numberofsuch paths that you can take...
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LeetCode 673. Number of Longest Increasing Subsequence 原题链接在这里:https://leetcode.com/problems/number-of-longest-increasing-subsequence/description/ 题目: Given an unsorted array of integers, find the number of longest increasing subsequence. Example 1: Input: [1,3,5,4,7] Output: 2 Expla...
package leetcode func numMusicPlaylists(N int, L int, K int) int { dp, mod := make([][]int, L+1), 1000000007 for i := 0; i < L+1; i++ { dp[i] = make([]int, N+1) } dp[0][0] = 1 for i := 1; i <= L; i++ { for j := 1; j <= N; j++ { dp[i...
My Solutions to Leetcode problems. All solutions support C++ language, some support Java and Python. Multiple solutions will be given by most problems. Enjoy:) 我的Leetcode解答。所有的问题都支持C++语言,一部分问题支持Java语言。近乎所有问题都会提供多个算
[LeetCode] Third Maximum Number 第三大的数 Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O(n). Example 1:... ...
[leetcode] 9. Palindrome Number Description Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward. Example 1: Input: 121 1. Output: true 1. Example 2: Input: -121 1.
package leetcode import ( "math" "sort" ) func numSquarefulPerms(A []int) int { if len(A) == 0 { return 0 } used, p, res := make([]bool, len(A)), []int{}, [][]int{} sort.Ints(A) // 这里是去重的关键逻辑 generatePermutation996(A, 0, p, &res, &used) return len...
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