NO.32 中等 (1204. 最后一个能进入电梯的人) leetcode-cn.com/problem # 最主要的就是要先确定好思路,按turn倒序排,计算6:(6+5+4+3+2+1)、5:(5+4+3+2+1)、4:(4+3+2+1)、3:(3+2+1)、2:(2+1)、1:(1),选出总重量小于等于1000的,其中最前面的3:(3+2+1)即为所需结果,输出turn...
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no conversion is performed.If no valid conversion could be performed, a zero value is returned....
53. 最大子数组和 - 给你一个整数数组 nums ,请你找出一个具有最大和的连续子数组(子数组最少包含一个元素),返回其最大和。 子数组 是数组中的一个连续部分。 示例 1: 输入:nums = [-2,1,-3,4,-1,2,1,-5,4] 输出:6 解释:连续子数组 [4,-1,2,1] 的和最大,为
请你设计并实现一个满足LRU (最近最少使用) 缓存约束的数据结构。 实现LRUCache类: LRUCache(int capacity)以正整数作为容量capacity初始化 LRU 缓存 int get(int key)如果关键字key存在于缓存中,则返回关键字的值,否则返回-1。 void put(int key, int value)如果关键字key已经存在,则变更其数据值value;如果...
Can you solve this real interview question? Text Justification - Given an array of strings words and a width maxWidth, format the text such that each line has exactly maxWidth characters and is fully (left and right) justified. You should pack your word
testHead=testHead.next; } }if(!valid){break; }if(pre ==null){ pre=testHead; ret=pre; }else{ pre.next=testHead; } ListNode oldPre=current; ListNode next=current.next; current.next=testHead.next; pre=current; current=next;for(inti = 1; i < k; ++i){ ...
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 classSolution { public: vector<vector<int>> threeSum(vector<int>& nums) { sort(nums.begin(), nums.end()); vector<vector<int> > validSet; ...
For the purpose of this problem, assume that your function returns 0 when the reversed integer overflows. 32 : 32 [−2^31, 2^31 − 1] 0 10 190 [−2^31, 2^31 − 1] 0 package leetcode func reverse7(x int) int { tmp := 0 for x != 0 { tmp = tmp*10 + x%10 x...
Problem: Solve a given equation and return the value of x in the form of string “x=#value”. The equation contains only ‘+’, ‘-’ operation, the variable x and its coefficient. If there is no solution for the equation, return “No solution”. If there are infinite solutions for ...