逆风的方向 更适合飞翔

WalkProblem DescriptionI used to think I could be anything, but now I know that I couldn't do anything. So I started traveling.The nation looks like a connected bidirectional graph, and

Time travelProblem DescriptionAgent K is one of the greatest agents in a secret organization called Men in Black. Once he needs to finish a mission by traveling through time with the

Where is the canteenProblem DescriptionAfter a long drastic struggle with himself, LL decide to go for some snack at last. But when steping out of the dormitory, he found a serious problem

RobotProblem DescriptionMichael has a telecontrol robot. One day he put the robot on a loop with n cells. The cells are numbered from 1 to n clockwise.At first the robot is in ce

495. Kids and PrizesTime limit per test: 0.25 second(s)Memory limit: 262144 kilobytesinput: standardoutput: standardICPC (International Cardboard Producing Company) is in the bus

MazeSpecial JudgeProblem DescriptionWhen wake up, lxhgww find himself in a huge maze.The maze consisted by N rooms and tunnels connecting these rooms. Each pair of rooms is connected b

One Person GameTime Limit: 1 Second      Memory Limit: 32768 KB      Special JudgeThere is a very simple and interesting one-person game. You have 3 dice, namely Die1, Die2 and Die3. Die1 ha

Check the difficulty of problemsTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 4748 Accepted: 2078DescriptionOrganizing a programming contest is not

LOOPSProblem DescriptionAkemi Homura is a Mahou Shoujo (Puella Magi/Magical Girl).Homura wants to help her friend Madoka save the world. But because of the plot of the Boss Incubator,

Aeroplane chessProblem DescriptionHzz loves aeroplane chess very much. The chess map contains N+1 grids labeled from 0 to N. Hzz starts at grid 0. For each step he throws a dice(a dice hav

Coin TossTime Limit: 5000MS Memory Limit: 65536KTotal Submissions: 3019 Accepted: 817DescriptionIn a popular carnival game, a coin is tossed onto a table with a

FootballTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 2875 Accepted: 1462DescriptionConsider a single-elimination football tournament involving 2n

The number of stepsTime Limit: 1000ms   Memory limit: 65536K  有疑问？点这里^_^题目描述    Mary stands in a strange maze, the maze looks like a triangle（the first layer have one room，the seco

Collecting BugsTime Limit: 10000MS Memory Limit: 64000KTotal Submissions: 2026 Accepted: 971Case Time Limit: 2000MS Special JudgeDescriptionIvan is fond o