Trouble Time Limit: 5000MS   Memory Limit: 32768KB   64bit IO Format: %I64d & %I64u Submit Status Description Hassan is in trouble. His mathematics teacher has given him a very difficult problem called 5-sum. Please help him. The 5-sum problem is def…

Trouble Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3526    Accepted Submission(s): 1113 Problem Description Hassan is in trouble. His mathematics teacher has given him a very difficult pro…

Trouble Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5681    Accepted Submission(s): 1570 Problem Description Hassan is in trouble. His mathematics teacher has given him a very difficult pro…

Trouble Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5388    Accepted Submission(s): 1494 Problem Description Hassan is in trouble. His mathematics teacher has given him a very difficult pro…

给定五个集合.问是否能从五个集合各取一个元素,使得元素之和为0. 这道题有两种做法,一种是哈希,然而之前没写过哈希.....比赛后从大神那copy了一份. 这里说还有一种. 对于这五个集合分为三组.1,2组求和为一组,3,4组求和分为一组,5为一组. 那么如今转化为了是否能从前两组中各取一个元素.使得这两个值和为第三组一个元素的相反数. 那么对于第一组我们升序排序.第二组我们降序排序. 对于第三组里的任一元素,假如第一组队首加第二组队首之和大于第三组的元素.那么第二组游标往后移一位,反之第一组移…

[hdu P4334] Trouble Hassan is in trouble. His mathematics teacher has given him a very difficult problem called 5-sum. Please help him. The 5-sum problem is defined as follows: Given 5 sets S_1,...,S_5 of n integer numbers each, is there a_1 in S_1,.…

Hassan is in trouble. His mathematics teacher has given him a very difficult problem called 5-sum. Please help him. The 5-sum problem is defined as follows: Given 5 sets S_1,...,S_5 of n integer numbers each, is there a_1 in S_1,...,a_5 in S_5 such t…

题目:click here 题意: 给定5组数据,每组数据选择一个数,看是否能找到5个数的和为零. 分析: 千万不要~~T~~ 普通线性查找: #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> using namespace std; typedef long long ll; const int INF = 0x3f3f3f3f; ; int t, n…

Bazinga Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5510 Description Ladies and gentlemen, please sit up straight. Don't tilt your head. I'm serious.For n given strings S1,S2,⋯,Sn, labelled from 1 to n, you…

Numbers Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5522 Description 给n个数A1,A2....An{A}_{1},{A}_{2}....{A}_{n}A​1​​,A​2​​....A​n​​,从中选3个位置不同的数A,B和C,问是否有一种情况满足A-B=C. Input There are multiple test cases, no mo…