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Subsequence / UVA - 1121
A sequence of N positive integers (10 < N < 100 000), each of them less than or equal 10000, and a positive integer S (S < 100 000 000) are given. Wri ...
分类:其他好文   时间:2020-02-29 11:42:15    阅读次数:107
HDU——算法练习1000 1089-1096
全篇都是讲数字之间的运算的: 由上自下难度逐渐升级 ,没耐心者建议一拉到底: 1000: Problem Description Calculate A + B. Input Each line will contain two integers A and B. Process to end of ...
分类:编程语言   时间:2020-02-29 00:34:16    阅读次数:85
LeetCode | 0200. Number of Islands岛屿数量【Python】
LeetCode 0200. Number of Islands岛屿数量【Medium】【Python】【DFS】 Problem "LeetCode" Given a 2d grid map of s (land) and s (water), count the number of island ...
分类:编程语言   时间:2020-02-29 00:19:02    阅读次数:86
LeetCode 124. Binary Tree Maximum Path Sum 二叉树中的最大路径和 (C++/Java)
题目: Given a non-empty binary tree, find the maximum path sum. For this problem, a path is defined as any sequence of nodes from some starting node to ...
分类:编程语言   时间:2020-02-28 14:11:20    阅读次数:84
题解 AT5632 【Sum of Two Integers】
在幼儿园的时候,我们就学习过把一个数分成$a$与$b$,我们只需要用计算机来模拟这个过程就可以了。 我们先从奇数开始看起,以$5$为例: 我们可以发现,$5$可以分成$1$和$4$,$2$和$3$,$3$和$2$,以及$4$和$1$,也就是说,一个奇数可以有$n 1$种方法进行分解,去重后也就是$( ...
分类:其他好文   时间:2020-02-28 12:25:22    阅读次数:66
leetcode118 Pascal's Triangle
1 """ 2 Given a non-negative integer numRows, generate the first numRows of Pascal's triangle. 3 In Pascal's triangle, each number is the sum of the t ...
分类:其他好文   时间:2020-02-28 01:38:29    阅读次数:74
Codeforces Round #624 (Div. 3) D. Three Integers
You are given three integers a≤b≤ca≤b≤c . In one move, you can add +1+1 or ?1?1 to any of these integers (i.e. increase or decrease any number by one) ...
分类:其他好文   时间:2020-02-28 01:07:48    阅读次数:85
Codeforces Round #624 (Div. 3) B. WeirdSort(排序)
output standard output You are given an array aa of length nn . You are also given a set of distinct positions p1,p2,…,pmp1,p2,…,pm , where 1≤pi<n1≤pi ...
分类:编程语言   时间:2020-02-27 19:25:01    阅读次数:259
Leetcode(128) Longest Consecutive Sequence
Given an unsorted array of integers, find the length of the longest consecutive elements sequence.Your algorithm should run in O(n) complexity.Example... ...
分类:其他好文   时间:2020-02-27 11:41:45    阅读次数:73
leetcode76 Minimum Window Substring
1 """ 2 Given a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n). 3 Example: 4 Inpu ...
分类:Windows程序   时间:2020-02-27 00:51:50    阅读次数:73
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