http://acm.hdu.edu.cn/showproblem.php?pid=3698 Let the light guide us Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 62768/32768 K (Java/Others) Total Submission(s): 759 Accepted Submission(s): 253 Problem Description Plain of despair was…
Description “Farm Game” is one of the most popular games in online community. In the community each player has a virtual farm. The farmer can decide to plant some kinds of crops like wheat or paddy, and buy the corresponding crop seeds. After they gr…
http://acm.hdu.edu.cn/showproblem.php?pid=3698 Let the light guide us Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 62768/32768 K (Java/Others) Total Submission(s): 821 Accepted Submission(s): 285 Problem Description Plain of despair was…
Description Plain of despair was once an ancient battlefield where those brave spirits had rested in peace for thousands of years. Actually no one dare step into this sacred land until the rumor that “there is a huge gold mine underneath the plain” s…
Description Aliens on planet Pandora also write computer programs like us. Their programs only consist of capital letters (‘A’ to ‘Z’) which they learned from the Earth. On planet Pandora, hackers make computer virus, so they also have anti-virus sof…
Problem Description Josh Lyman is a gifted painter. One of his great works is a glass painting. He creates some well-designed lines on one side of a thick and polygonal glass, and renders it by some special dyes. The most fantastic thing is that it c…
Description A new Semester is coming and students are troubling for selecting courses. Students select their course on the web course system. There are n courses, the ith course is available during the time interval (Ai,Bi). That means, if you wa…
Description Math Olympiad is called “Aoshu” in China. Aoshu is very popular in elementary schools. Nowadays, Aoshu is getting more and more difficult. Here is a classic Aoshu problem: ABBDE __ ABCCC = BDBDEIn the equation above, a letter stands for a…
Let the light guide us Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 62768/32768 K (Java/Others) Total Submission(s): 677 Accepted Submission(s): 226 Problem Description Plain of despair was once an ancient battlefield where those brave…
Let the light guide us Time Limit: 2000ms Memory Limit: 32768KB This problem will be judged on HDU. Original ID: 369864-bit integer IO format: %I64d Java class name: Main Plain of despair was once an ancient battlefield where those brave spiri…
Description N soldiers from the famous "*FFF* army" is standing in a line, from left to right. o o o o o o o o o o o o o o o o o o /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ /F\ / \ / \ / \ / \ / \ / \ / \ / \ / \ / \ /…
Problem Description A password locker with N digits, each digit can be rotated to 0-9 circularly.You can rotate 1-3 consecutive digits up or down in one step.For examples:567890 -> 567901 (by rotating the last 3 digits up)000000 -> 000900 (by rotati…
Description Could you imaging a monkey writing computer programs? Surely monkeys are smart among animals. But their limited intelligence is no match for our human beings. However, there is a theorem about monkeys, and it states that monkeys can write…
题目链接:https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&category=648&page=show_problem&problem=5155 There are N guests checking in at the front desk of the hotel. 2K (0 ≤ 2K ≤ N) of them are twins.There are M room…
Problem Description City C is really a nightmare of all drivers for its traffic jams. To solve the traffic problem, the mayor plans to build a RTQS (Real Time Query System) to monitor all traffic situations. City C is made up of N crossings and M roa…
Description You are given an undirected graph with N vertexes and M edges. Every vertex in this graph has an integer value assigned to it at the beginning. You're also given a sequence of operations and you need to process them as requested. Here's a…
Problem Description Peer-to-peer(P2P) computing technology has been widely used on the Internet to exchange data. A lot of P2P file sharing systems exist and gain much popularity in nowadays. Let's consider a simplified model of P2P file sharing syst…
Man Down Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2030 Accepted Submission(s): 743 Problem Description The Game “Man Down 100 floors” is an famous and interesting game.You can enjoy t…
I - pog loves szh III Time Limit:6000MS Memory Limit:131072KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 5266 Description Pog and Szh are playing games. Firstly Pog draw a tree on the paper. Here we define 1 as the root of the t…
WHUgirls Time Limit: 3000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 2068 Accepted Submission(s): 785 Problem Description There are many pretty girls in Wuhan University, and as we know, every girl lo…
