F. Two Points time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output There are two points (x1, y1) and (x2, y2) on the plane. They move with the velocities (vx1, vy1) and (vx2, vy2). Find the min…
昨天训练打的Gym,今天写题解. 这个题就是输出的时候有点小问题,其他的都很简单. 代码: #include<iostream> #include<cstring> #include<cstdio> using namespace std; ; int a[N]; int main(){ int n; while(~scanf("%d",&n)){ ; ;i<=n;i++){ scanf("%d",&a[i]…
A. Streets of Working Lanterns - 2 对于每个括号序列,存在一个\(mv\),表示要接上这个序列至少需要\(-mv\)个左括号,同时处理出接上这个序列后,左括号数量的增量\(add\). 假设当前左括号数量为\(sum\),对于\(sum+mv_i>=0\)的片段都是可添加的,一个比较容易想到的贪心,取\(add_i\)最大的那个序列,使得左括号数量尽可能多.这个贪心的正确性是建立在\(add_i>=0\)的情况,否则是错误. 考虑\(sum = 7, (mv_…
F. Monkeying Around 维护点在多少个线段上 http://codeforces.com/gym/101350/problem/F 题意:有m个笑话,每个笑话的区间是[L, R],笑话种类有1e5,一开始所有猴子都在凳子上,听到一个笑话,就倒下,但是如果是听过的笑话,就重新回到凳子上.问最终有多少个猴子在凳子上. 相当于有1e5个线段,如果我们能知道第i个猴子,被多少个线段覆盖了,那么可以找出那些线段中的最后那一条,就是最后覆盖上去的那一条,那条线段是哪一个笑话,设为k,如果…
2017-2018 ACM-ICPC Latin American Regional Programming Contest 试题地址:http://codeforces.com/gym/101889 总体情况 总共通过7题CEFGHIJ.其中我完成HIJ三题.纯属被大佬带飞系列. 解题报告 H - Hard choice 签到题 #include <bits/stdc++.h> using namespace std; int a1,b1,c1,a2,b2,c2; int main() {…
Programming Contest Problem Types Hal Burch conducted an analysis over spring break of 1999 and made an amazing discovery: there are only 16 types of programming contest problems! Furthermore, the top several comprise almost 80% of the problems s…
偏方记录背包里的物品.....每个背包的价值+0.01 Happy Programming Contest Time Limit: 2 Seconds Memory Limit: 65536 KB In Zhejiang University Programming Contest, a team is called "couple team" if it consists of only two students loving each other. In the cont…
Secrete Master Plan Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 429 Accepted Submission(s): 244 Problem Description Master Mind KongMing gave Fei Zhang a secrete master plan stashed in a…
http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5503 The 12th Zhejiang Provincial Collegiate Programming Contest - K Capture the Flag Time Limit: 2 Seconds Memory Limit: 65536 KB Special Judge In computer security, Capture…
http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5494 The 12th Zhejiang Provincial Collegiate Programming Contest - B Team Formation Time Limit: 3 Seconds Memory Limit: 131072 KB For an upcoming programming contest, Edward, the…
http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5496 The 12th Zhejiang Provincial Collegiate Programming Contest - D Beauty of Array Time Limit: 2 Seconds Memory Limit: 65536 KB Edward has an array A with N integers. He defines…
http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5502 The 12th Zhejiang Provincial Collegiate Programming Contest - J Convert QWERTY to Dvorak Time Limit: 2 Seconds Memory Limit: 65536 KB Edward, a poor copy typist, is a user o…
http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5500 The 12th Zhejiang Provincial Collegiate Programming Contest - H May Day Holiday Time Limit: 2 Seconds Memory Limit: 65536 KB As a university advocating self-learning and work…
http://acm.zju.edu.cn/onlinejudge/showContestProblem.do?problemId=5504 The 12th Zhejiang Provincial Collegiate Programming Contest - L Demacia of the Ancients Time Limit: 2 Seconds Memory Limit: 65536 KB There is a popular multiplayer online ba…