Rimi learned a new thing about integers, which is - any positive integer greater than 1 can be divided by its divisors. So, he is now playing with thi ...
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其他好文 时间:
2019-02-18 23:24:15
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339
Given an integer array with all positive numbers and no duplicates, find the number of possible combinations that add up to a positive integer target. ...
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其他好文 时间:
2019-02-18 01:20:29
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163
Given a set of distinct positive integers, find the largest subset such that every pair (Si, Sj) of elements in this subset satisfies: Si % Sj = 0 or ...
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其他好文 时间:
2019-02-16 23:13:33
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297
25. Reverse Nodes in k-Group Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. k is a positive integer ...
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Web程序 时间:
2019-02-16 13:32:52
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205
https://pintia.cn/problem-sets/994805342720868352/problems/994805370650738688 Among all the factors of a positive integer N, there may exist several c ...
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其他好文 时间:
2019-02-15 13:20:35
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155
Difficulty: Medium Problem Given an array , we can perform a pancake flip : We choose some positive integer `k PancakeSort(int[] A) { int max = A.Leng ...
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其他好文 时间:
2019-02-14 23:57:08
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329
The greatest common divisor GCD(a,b) of two positive integers a and b,sometimes written (a,b),is the largest divisor common to a and b,For example,(1, ...
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其他好文 时间:
2019-02-13 22:59:41
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384
主要介绍strings包中的 strings.go/search.go/replace.go string.go中主要介绍Index函数,该函数寻找s中第一次出现substr的位置,返回position或-1: 基本代码如下: 可以看到在substr较短的情况下使用了暴力匹配,否则使用rabin-k ...
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其他好文 时间:
2019-02-12 21:45:00
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155
Given an array A of positive integers, call a (contiguous, not necessarily distinct) subarray of A good if the number of different integers in that su ...
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其他好文 时间:
2019-02-10 23:33:31
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293
Putnam试题 For any positive integer n let denote the closest integer to $\sqrt{n}$,Evaluate $$\sum_{n=1}^{∞}\frac{2^{<n>}+2^{-<n>}}{2^{n}}$$ Solution: S ...
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其他好文 时间:
2019-02-10 13:50:41
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201