David_Jett

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=5355 题面： Cake Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 1632    Accepted Submi

题目链接：UVALive 7203 At most twice 题目大意：     给定一个数字U，求不超过U的数字L。其中L要满足0-9每位数字至多只出现2位的要求。 解题：     这道题，我采用的是暴搜，去寻找小于等于当前数，且符合要求的最大数。看似搜索空间极大，按复杂度算是一定会跪的。但是，因为要搜索的答案离初始值很近，故不会跪。     队友szh的做法

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=5559 题面： Frog and String Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 306    Accept

题目链接：CF 520C 题面： C. DNA Alignment time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Vasya became intere

题目链接：http://codeforces.com/problemset/problem/584/C 题面： C. Marina and Vasya time limit per test 1 second memory limit per test 256 megabytes input standard input

题目链接：CF 417C 题面： C. Football 【time limit per test】1 second                   【memory limit per test】  256 megabytes One day, at the "Russian Code Cup" event it was decided to play

【CF简介】 提交链接：CF 237B 题面： B. Young Table time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You've got table

题目链接：CF 550D 题面： D. Regular Bridge time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output An undirected grap

题目链接：http://hihocoder.com/problemset/problem/1255 题面： Problem I. Snake Carpet Description ：     In school of EECS of Peking University, there is a homework for all freshman -- the contest of A

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=5379 题面： Mahjong tree Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1148    Accepted

题目链接：https://leetcode.com/problems/generate-parentheses/ 题面： 22.Generate Parentheses Medium 2848177FavoriteShare Givennpairs of parentheses, write a function to generate all combinations of we...