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 ...
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其他好文 时间:
2020-02-29 11:42:15
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107
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 ...
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编程语言 时间:
2020-02-29 00:34:16
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85
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 ...
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编程语言 时间:
2020-02-29 00:19:02
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86
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 ...
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编程语言 时间:
2020-02-28 14:11:20
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84
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$( ...
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其他好文 时间:
2020-02-28 12:25:22
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66
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 ...
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其他好文 时间:
2020-02-28 01:38:29
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74
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) ...
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其他好文 时间:
2020-02-28 01:07:48
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85
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 ...
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编程语言 时间:
2020-02-27 19:25:01
阅读次数:
259
Given an unsorted array of integers, find the length of the longest consecutive elements sequence.Your algorithm should run in O(n) complexity.Example... ...
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其他好文 时间:
2020-02-27 11:41:45
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73
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 ...