leetcode-561-Array Partition I 题目描述: Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of min(ai, bi) for all i from 1 to n as large as possible. Example 1: Input: ...
publicclassArrayPartitionI{publicstaticintarrayPartitionI(int[]array) { Arrays.sort(array);intsum =0;for(inti =0; i <array.length -1; i +=2) { sum +=array[i]; }returnsum; } } 最优解法 publicclassSolution{publicintarrayPairSum(int[] nums){ Arrays.sort(nums);intresult =0;for(in...
Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), …, (an, bn) which makes sum of min(ai, bi) for all i from 1 to n as large as possible. Example 1: Input: [1,4,3,2] Output: 4 Explanation: n is ...
//#561Description: Array Partition I | LeetCode OJ 解法1:水题。 // Solution 1: Easy. 代码1 //Code 1 563 Binary Tree Tilt // #563 二叉树倾斜(什么玩意儿) 描述:无可奉告。 //#563Description: Binary Tree Tilt | LeetCode OJ 解法1:无聊。 // Solution 1: Boring. 代码1 //Code 1 564...
以前也刷leetcode,但都不够系统,基本上是今天一榔头明天一棒槌,今天计划开始系统性地刷题,在查漏补缺的同时,也培养自己开始记笔记的习惯。以array开始,立下flag,每周更新一次,把比较有意思的题目记录下来。(2020.06.10 updated,终于结束了996) easy:
classSolution {publicint[] constructArray(intn,intk) {int[] result =newint[n];inttemp = 1;for(inti = 0;i < n - k;i++) result[i]= temp++;intcount =n;booleanjudge =true;for(inti = n - k;i < n;i++) {if(judge) { ...
561 Array Partition I 69.80% Easy 560 Subarray Sum Equals K 41.80% Medium 559 Maximum Depth of N-ary Tree 62.10% Easy 558 Quad Tree Intersection 36.40% Easy 557 Reverse Words in a String III 61.20% Easy 556 Next Greater Element III 27.70% Medium 555 Split Concatenated Strings $ 30.00% Me...
565 Array Nesting 50.00% Medium 564 Find the Closest Palindrome 16.60% Hard 563 Binary Tree Tilt 47.00% Easy 562 Longest Line of Consecutive One in Matrix $ 38.80% Medium 561 Array Partition I 69.80% Easy 560 Subarray Sum Equals K 41.80% Medium 559 Maximum Depth of N-ary Tree 62.10% Easy...
https://leetcode-cn.com/problems/array-partition-i/description/ 要求 给定长度为 2n 的数组, 你的任务是将这些数分成 n 对, 例如 (a1, b1), (a2, b2), ..., (an, bn) ,使得从1 到 n 的 min(ai, bi) 总和最大。 输入:[ 1,4,3,2]输出:4解释:n 等于 ...
No561:Array Partition I(Easy) 题目 Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1), (a2, b2), ..., (an, bn) which makes sum of min(ai, bi) for all i from 1 to n as large as possible. ...