Collision Detection
**Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1207 Accepted Submission(s): 367 **
Problem Description
In physical simulations, video games and computational geometry, collision detection involves algorithms for checking for …
阅读更多Gunner II
**Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1433 Accepted Submission(s): 540 **
Problem Description
Long long ago, there was a gunner whose name is Jack. He likes to go hunting very much. One day he go to the grove. There are n birds and n …
阅读更多pog loves szh II
**Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)
Total Submission(s): 2115 Accepted Submission(s): 609
**Problem Description
Pog and Szh are playing games.There is a sequence with n numbers, Pog will choose a number A from the sequence. Szh will choose an another …
阅读更多简单模拟,n,m貌似给反了(两个地方给的不一致 ) 害我wa了两发
1 2 /************************************************************************* 3 > File Name: code/2015summer/#5/K.cpp 4 > Author: 111qqz 5 > Email: rkz2013@126.com 6 > Created Time: 2015年07月30日 星期四 14时00分56秒 7 …
阅读更多水题,推个公式出来,注意精度…一遍A
1 2 /************************************************************************* 3 > File Name: code/2015summer/#5/D.cpp 4 > Author: 111qqz 5 > Email: rkz2013@126.com 6 > Created Time: 2015年07月30日 星期四 13时17分26秒 7 …
阅读更多AMR10F - Cookies Piles
水.
1 2 3 /************************************************************************* 4 > File Name: code/2015summer/#4/F.cpp 5 > Author: 111qqz 6 > Email: rkz2013@126.com 7 > Created Time: 2015年07月29日 星期三 21时47分23秒 8 …
阅读更多Sliding Window
看这个问题：An array of size n ≤ 106 is given to you. There is a sliding window of size k which is moving from the very left of the array to the very right. You can only see the k numbers in the window. Each time the sliding window moves rightwards by one position.Your task is to determine the maximum and …
阅读更多C. Artem and Array
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
Artem has an array of n positive integers. Artem decided to play with it. The game consists of n moves. Each move goes like this. Artem chooses some element of the array and removes it. For …
阅读更多B. Andrey and Problem
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
Andrey needs one more problem to conduct a programming contest. He has n friends who are always willing to help. He can ask some of them to come up with a contest problem. Andrey knows one …
阅读更多B. Kolya and Tandem Repeat
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
Kolya got string s for his birthday, the string consists of small English letters. He immediately added k more characters to the right of the string.
Then Borya came and said that the …
阅读更多比赛的时候没做出来.这道题需要用到的一个重要的性质是,任意一个自然数可以表示成至多三个三角形数(1,3,6,10,15…..)的和(orz高斯)然后也有推广到任意自然数可以表示成k个k角形数的和的结论(费马提出了猜想,柯西给了证明)然后官方题解说的比较好:
阅读更多http://acm.hdu.edu.cn/showproblem.php?pid=5311 题意：问能否从一个给定的字符串中拿出三个不相交的字串（原串可以有剩余），组成字符串“anniversary” 思路：暴力。
比赛的时候没做出来,sad 我发现我有一个问题,就是不敢跑暴力 有不少题其实正解就是暴力 或者有的题,暴力不是标解,但是绝对可A,可我就不敢写… 就觉得不会是这样.. 说到底还是不自信吧…
阅读更多http://acm.hdu.edu.cn/showproblem.php?pid=5310 水。 不要用cin.
1 2 /************************************************************************* 3 > File Name: code/bc/#ann/1001.cpp 4 > Author: 111qqz 5 > Email: rkz2013@126.com 6 > Created Time: 2015年07月25日 星期六 18时54分24秒 7 …
阅读更多“… so forward this to ten other people, to prove that you believe the emperor has
题意是说发短信,每个人只会给一个人发,问从哪个人开始发,能传到的人最多
思路是每个人开始做一遍dfs…
阅读更多http://acm.hust.edu.cn/vjudge/contest/view.action?cid=83084#problem/I
I - Fire Game
**Time Limit:**1000MS **Memory Limit:**32768KB 64bit IO Format:%I64d & %I64u
Submit Status
Description
Fat brother and Maze are playing a kind of special (hentai) game on an N*M board (N rows, M columns). At the beginning, each grid …
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