Sums

【LeetCode】39. Combination Sum (2 solutions)

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-11-08 11:33

（Problem 34）Digit factorials

= 2 are not sums they a
·2015-11-08 09:36

USACO / Subset Sums集合 (DP)

对于从1到N (1 <= N <= 39) 的连续整数集合，能划分成两个子集合，且保证每个集合的数字和是相等的。举个例子，如果N=3，对于{1，2，3}能划分成两个子集合，每个子集合的所有数字和是相等的：[编辑]描述 {3} 和 {1,2} 这是唯一一种分法（交换集合位置被认为是同一种划分方案，因此不会增加划分方案总数） 如果N=7，有四种方法能划分集合{1，2，3，4，5，6
·2015-11-07 15:31

POJ1503——字符串——Integer Inquiry

He extended his exploration of powers of 3 to go from 0 to 333 and he explored taking various sums of
·2015-11-07 14:05

hdu 4193 Non-negative Partial Sums 单调队列。

Non-negative Partial Sums Time Limit: 6000/3000 MS (Java/Others)    Memory Limit
·2015-11-07 13:07

Combination Sum II

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-11-03 21:52

Combination Sum

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-11-03 21:51

hdu1258 Sum It Up (DFS)

Problem Description Given a specified total t and a list of n integers, find all distinct sums using
·2015-11-02 18:02

Combination Sum II

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-11-02 17:34

Combination Sum

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-11-02 17:33

hdu 4193 Non-negative Partial Sums 单调队列

hdu 4193 Non-negative Partial Sums //hdu 4193 Non-negative Partial Sums //单调队列 //看了这个解题报告才有所理解的
·2015-11-02 09:03

UVa 11997 (优先队列 多路归并) K Smallest Sums

考虑一个简单的问题，两个长度为n的有序数组A和B，从每个数组中各选出一个数相加，共n2中情况，求最小的n个数。 将这n2个数拆成n个有序表： A1+B1≤A1+B2≤... A2+B1≤A2+B2≤... ... An+B1≤An+B2≤... 然后用优先队列合并成一个有序表即可。队列中需要记录两个数的和s，以及在B中的下标b， 比如Aa+Bb出队以后，应该将Aa+B(b+1)&nb
·2015-11-01 14:47

LeetCode Combination Sum

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-31 18:44

写个 LINQ的分组

// 实现多key分组的扩展函数版本 var sums = empList .GroupBy(x => new { x.Age, x.Sex }) .Select
·2015-10-31 16:16

leetcode[39]Combination Sum

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-31 16:49

leetcode[40]Combination Sum II

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-31 16:48

USACO 2.2 Subset Sums 集合（subset）

Description 对于从1到N的连续整集合，能划分成两个子集合，且保证每个集合的数字和是相等的。举个例子，如果N=3，对于{1，2，3}能划分成两个子集合，他们每个的所有数字和是相等的： {3} and {1,2} 这是唯一一种分法（交换集合位置被认为是同一种划分方案，因此不会增加划分方案总数）如果N=7，有四种方法能划分集合{1，2，3，4，5，6，7}，每一种分发的子集合
·2015-10-31 13:25

【LeetCode】Combination Sum II

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-31 11:40

UVA 10616 Divisible Group Sums

UVA_10616     我们可以用f[i][j][k]表示选到第i个数时一共选了j个数且它们的和模D的值为k，由于第i个数可以选也可以不选，那么就有f[i][j][k]=f[i-1][j][k]+f[i-1][j-1][x]，其中x满足0<=x<D且(x+a[i]%D)%D=k，边界为f[0][0][0]=1。 #include<stdio
·2015-10-31 11:46

UVA 11997 - K Smallest Sums(优先队列+多路合并)

UVA 11997 - K Smallest Sums 题目链接 题意：给定k个数组，每一个数组k个数字，要求每一个数字选出一个数字，构成和，这样一共同拥有kk种情况，要求输出最小的k个和
·2015-10-31 10:51

（Problem 34）Digit factorials

= 2 are not sums they
·2015-10-31 10:58

【leetcode刷题笔记】Combination Sum

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-31 10:41

【leetcode刷题笔记】Combination Sum II

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-31 10:41

【leetcode】Combination Sum II (middle) ☆

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-31 09:24

【leetcode】Combination Sum (middle)

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-31 09:24

Careercup - Facebook面试题 - 4892713614835712

09:54 题目链接 原题： You have two numbers decomposed in binary representation, write a function that sums
·2015-10-31 09:21

[Leetcode] Combination Sum II

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-30 14:35

[Leetcode] Combination Sum

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-30 14:18

LeetCode - Combination Sum II

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-30 13:55

LeetCode - Combination Sum

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-30 13:55

URAL 1048 Superlong Sums

URAL_1048     高精度加法。 #include<stdio.h> #include<string.h> #define MAXD 1000010 int a[MAXD], N; void solve() { int i, x, y, s, c; for(i = 0; i < N; i ++)
·2015-10-30 13:03

暑假集训-合训第三场

Problem A HDU 4175 Class Schedule 27 /  140 Problem B HDU 4193 Non-negative Partial Sums
·2015-10-30 12:45

排列数枚举——[Usaco2006 Feb]Backward Digit Sums

http://www.zybbs.org/JudgeOnline/problem.php?id=1653 STL组合数枚举下 算总和的话其实就是杨辉三角 View Code #include<iostream>#include<stdio.h>#include<string.h>#include<algorithm>using nam
·2015-10-30 12:08

2013ACM多校联合（1）

A:Non-negative Partial Sums 题意：给定一个序列，我们能够给这个序列做一个循环移位的操作，即把第一个数字放到整个序列的最后一位。
·2015-10-30 11:16

424 - Integer Inquiry

He extended his exploration of powers of 3 to go from 0 to 333 and he explored taking various sums o
·2015-10-30 11:34

UVA10487Closest Sums（二分）

Givenisasetofintegersandthenasequenceofqueries.Aquerygivesyouanumberandaskstofindasumoftwodistinctnumbersfromtheset,whichisclosesttothequerynumber.InputInputcontainsmultiplecases.Eachcasestartswithani
zyd8888102·2015-10-28 21:00

[模拟]Codeforces509C Sums of Digits

题目链接 题意：给n个数a[i], 要求b[i]每位数的和等于a[i], 并且b[i]要严格递增 求最小的b[i]   b[0]最小一定是X9999...这样的形式 后面的b[i]位数一定大于等于前一个 用ans[i][0]记录b[i]的位数 也就是 每次从ans[i-0][0]位开始 若不满足b[i]>b[i-1] 则位数加1 位数加1之后 必定满足b[i]>
·2015-10-28 08:30

HDU 1258 Sum It Up DFS 简单题 好题

5 3 2 1 1 400 12 50 50 50 50 50 50 25 25 25 25 25 25 0 0     Sample Output Sums
·2015-10-28 08:52

[LeetCode] Combination Sum 回溯

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-27 14:59

平均要取多少个(0,1)中的随机数才能让和超过1

先用程序估算一下 from __future__ import division import random N = 1000000 sums = 0 for i in range(N):
·2015-10-27 13:04

[leedcode 40] Combination Sum II

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-23 09:02

[leedcode 39] Combination Sum

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-23 09:01

Finding all unique triplets that sums to zero[部分]

题目： http://www.leetcode.com/2010/04/finding-all-unique-triplets-that-sums.html   分析： 首先brute
·2015-10-23 08:23

TOJ 1721 Partial Sums

the numbers is defined as the sum of ai, ai+1, ..., aj.You are supposed to calculate how many partial sums
·2015-10-23 08:48

UVA 10487 Closest Sums

UVA_10487     将所有和算出来之后进行排序，再二分查找即可。 #include<stdio.h>#include<string.h>#include<stdlib.h>int cmp(const void *_p,const void *_q){ int *p=(int *)_p; int *q=(i
·2015-10-21 13:03

(高精度运算4.7.24)UVA 10013 Super long sums(大数加法——某一位的数字可能大于10)

/* * UVA_10013.cpp * * Created on: 2013年10月29日 * Author: Administrator */ #include <iostream> #include <cstdio> #include <cstring> using namespace std; int
·2015-10-21 12:45

[LeetCode] three sums && three cloest sums && four sums

Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the
·2015-10-21 12:52

leetcode -- Combination Sum

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-21 12:54

[LeetCode] Combination Sum

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-21 12:36

[LeetCode] Combination Sum II

C) and a target number (T), find all unique combinations in C where the candidate numbers sums
·2015-10-21 12:36
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