B. Yet Another Crosses Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a picture consisting of n rows and m columns. Rows are numbered from 1 to n from the top to the…
https://codeforc.es/contest/1194/problem/B 好像也没什么思维,就是一个水题,不过蛮有趣的.意思是找缺黑色最少的行列十字.用O(n)的空间预处理掉一维,然后用O(n)的时间根据另一维计算出答案. #include<bits/stdc++.h> using namespace std; typedef long long ll; int n, m; string g[50005]; int rq[50005]; int main() { #ifdef Yi…
题目链接:http://codeforces.com/contest/1194 A.Remove a Progression time limit per test:2 seconds memory limit per test:256 megabytes input:standard input output:standard output You have a list of numbers from 11…
目录 Contest Info Solutions A.Remove a Progression B.Yet Another Crosses Problem C.From S To T D.1-2-K Game E.Count The Rectangles Contest Info Practice Link Solved A B C D E F G 5/7 O O O O Ø - - O 在比赛中通过 Ø 赛后通过 ! 尝试了但是失败了 - 没有尝试 Solutions A.Remove a…
A. Remove a Progression 签到题,易知删去的为奇数,剩下的是正偶数数列. #include<iostream> using namespace std; int T; int n,x; int main(){ cin>>T; while(T--){ cin>>n>>x; cout<<x * 2<<endl; } return 0; } B. Yet Another Crosses Problem n*m存在上界,…
A simple probability problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 43 Accepted Submission(s): 14 Problem Description Equally-spaced parallel lines lie on an infinite plane. The sep…
Problem Description Before bridges were common, ferries were used to transport cars across rivers. River ferries, unlike their larger cousins, run on a guide line and are powered by the river's current. Cars drive onto the ferry from one end, the fer…
It's one more school day now. Sasha doesn't like classes and is always bored at them. So, each day he invents some game and plays in it alone or with friends. Today he invented one simple game to play with Lena, with whom he shares a desk. The rules…
Finding crosses Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1631 Accepted Submission(s): 868 Problem Description The Nazca Lines are a series of ancient geoglyphs located in the Nazca Desert i…
题目:http://acm.hdu.edu.cn/showproblem.php?pid=4414 CSUST:点击打开链接 Finding crosses Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 729 Accepted Submission(s): 411 Problem Description The Nazca L…
链接:http://codeforces.com/problemset/problem/215/C C. Crosses time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output There is a board with a grid consisting of n rows and m columns, the rows are n…
Problem Description The Nazca Lines are a series of ancient geoglyphs located in the Nazca Desert in southern Peru. They were designated as a UNESCO World Heritage Site in 1994. The high, arid plateau stretches more than 80 kilometres (50 mi) between…
Gson解析JSON字符串时出现了下面的错误: No-args constructor for class X does not exist. Register an InstanceCreator with Gson for this type to fix this problem. 解决的办法是把对应的Class改成静态类.…
I joined the NodeJS online Course three weeks ago, but now I'm late about 2 weeks. I pay the codeschool yearly subscribed, but I have lost the track long time. I get more weight than expected. I like more and more my MacBook Pro I maybe go to the UST…
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…
You are given two jugs with capacities x and y litres. There is an infinite amount of water supply available. You need to determine whether it is possible to measure exactly z litres using these two jugs. If z liters of water is measurable, you must…
A city's skyline is the outer contour of the silhouette formed by all the buildings in that city when viewed from a distance. Now suppose you are given the locations and height of all the buildings as shown on a cityscape photo (Figure A), write a pr…
A^B Problem 时间限制:1000 ms | 内存限制:65535 KB 难度:2 描述 Give you two numbers a and b,how to know the a^b's the last digit number.It looks so easy,but everybody is too lazy to slove this problem,so they remit to you who is wise. 输入 There are mutiple te…
A Simple Tree Problem Time Limit: 3 Seconds Memory Limit: 65536 KB Given a rooted tree, each node has a boolean (0 or 1) labeled on it. Initially, all the labels are 0. We define this kind of operation: given a subtree, negate all its labels. An…
