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[LeetCode] 209. Minimum Size Subarray Sum_Medium
Given an array of n positive integers and a positive integer s, find the minimal length of a contiguous subarray of which the sum ≥ s. If there isn't ...
分类:其他好文   时间:2018-06-16 10:28:25    阅读次数:183
google kcikstart 2018 round c
https://code.google.com/codejam/contest/4384486/dashboard s=p0 A 题意 给定一个无向图,其中存在着唯一的一个环,求每个点到这个环的最短距离。 数据范围 ≤ T ≤ 100. 1 ≤ xi ≤ N, for all i. 1 ≤ yi ≤ ...
分类:其他好文   时间:2018-06-14 11:39:47    阅读次数:161
581. Shortest Unsorted Continuous Subarray
Given an integer array, you need to find one continuous subarray that if you only sort this subarray in ascending order, then the whole array will be ...
分类:其他好文   时间:2018-06-08 00:49:56    阅读次数:178
581. Shortest Unsorted Continuous Subarray
这个方法很骚,线性时间,解释一波 从前向后扫描,maxele存放从nums[0]到nums[i]之间的最大元素,和当前元素比较,若当前元素nums[i]小于这个最大值,则更新end 从后往前扫描,minele存放从nums[sz-1]到当前元素中的最小值,和当前于元素比较,若当前元素大于这个最小值, ...
分类:其他好文   时间:2018-06-05 21:07:47    阅读次数:95
2.2.5
question: Give the sequence of subarray sizes in the merges performed by both the top-down and the bottom-up mergesort algorithms, for N = 39. answer: ...
分类:其他好文   时间:2018-05-31 19:21:43    阅读次数:181
523. Continuous Subarray Sum
class Solution { public: bool checkSubarraySum(vector& nums, int k) { unordered_map m; // 从头元素开始的sum,取模为key的index。 m[0] = -1; int _sum = 0; for (int i... ...
分类:其他好文   时间:2018-05-29 23:35:55    阅读次数:273
138. Subarray Sum【Lintcode,by java】
Description Description Given an integer array, find a subarray where the sum of numbers is zero. Your code should return the index of the first numbe ...
分类:编程语言   时间:2018-05-26 13:02:43    阅读次数:156
45 最大子数组差
原题网址:https://www.lintcode.com/problem/maximum-subarray-difference/description 描述 给定一个整数数组,找出两个不重叠的子数组A和B,使两个子数组和的差的绝对值|SUM(A) - SUM(B)|最大。 返回这个最大的差值。 ...
分类:编程语言   时间:2018-05-25 00:24:39    阅读次数:221
41. Maximum Subarray
Description Given an array of integers, find a contiguous subarray which has the largest sum. Given an array of integers, find a contiguous subarray w ...
分类:其他好文   时间:2018-05-22 22:05:05    阅读次数:136
209. Minimum Size Subarray Sum
class Solution { public: int minSubArrayLen(int s, vector& nums) { int w = 0, _sum = 0, res = INT_MAX; for (int i = 0; i = s) { res = min(res, i-w+1);... ...
分类:其他好文   时间:2018-05-21 14:28:29    阅读次数:138
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