原创 錢幣兌換問題 HDU - 1284
Problem Description 在一個國家僅有1分，2分，3分硬幣，將錢N兌換成硬幣有很多種兌法。請你編程序計算出共有多少種兌法。 Input 每行只有一個正整數N，N小於32768。 Output 對應每個輸
2020-07-03 20:00:49
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原创 Triangle HDU - 5914 （斐波那契數列的應用1123）
Mr. Frog has n sticks, whose lengths are 1,2, 3⋯⋯n respectively. Wallice is a bad man, so he does not want Mr. Frog t
2020-07-03 20:00:39
原创 Coach CodeForces - 300B
A programming coach has n students to teach. We know that n is divisible by 3. Let's assume that all students are numb
2020-07-03 20:00:39
2
原创 The Meeting Place Cannot Be Changed CodeForces - 782B （二分時間）
The main road in Bytecity is a straight line from south to north. Conveniently, there are coordinates measured in mete
2020-07-03 20:00:39
原创 Connect them ZOJ - 3204 (最小生成樹)
You have n computers numbered from 1 to n and you want to connect them to make a small local area network (LAN). All c
2020-07-03 20:00:38
1
原创 Coprime Sequence HDU - 6025
Do you know what is called ``Coprime Sequence''? That is a sequence consists of nnpositive integers, and the GCD (Gre
2020-07-03 20:00:38
原创 Tempter of the Bone HDU - 1010 (奇偶性剪枝)
The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began
2020-07-03 20:00:38
原创 Queue CodeForces - 141C
In the Main Berland Bank n people stand in a queue at the cashier, everyone knows his/her height hi, and the heights o
2020-07-03 20:00:38
原创 樹的最大獨立集 poj 2342
題目描述 Ural大學有N個職員，編號爲1~N。他們有從屬關係，也就是說他們的關係就像一棵以校長爲根的樹，父結點就是子結點的直接上司。每個職員有一個快樂指數。現在有個週年慶宴會，要求與會職員的快樂指數最大。但是，沒有職員願和直接上司一
2020-06-08 22:09:06
原创 Codeforces Round #245 (Div. 1) -- B. Working out （DP）
Summer is coming! It's time for Iahub and Iahubina to work out, as they both want to look hot at the beach. The gym wh
2020-02-22 21:12:02
原创 Cleaning Shifts POJ - 2376
Farmer John is assigning some of his N (1 <= N <= 25,000) cows to do some cleaning chores around the barn. He always w
2020-02-22 21:12:02
原创 New Year and Old Property CodeForces - 611B
The year 2015 is almost over. Limak is a little polar bear. He has recently learnt about the binary system. He noticed
2020-02-22 21:12:02
1
原创 Gym Class HDU - 5695
衆所周知，度度熊喜歡各類體育活動。 今天，它終於當上了夢寐以求的體育課老師。第一次課上，它發現一個有趣的事情。在上課之前，所有同學要排成一列， 假設最開始每個人有一個唯一的ID，從1到NN，在排好隊之後，每個同學會找出包括自己在內的前
2020-02-22 21:12:02
原创 The Frog's Games HDU - 4004 (二分)
The annual Games in frogs' kingdom started again. The most famous game is the Ironfrog Triathlon. One test in the Iron
2020-02-22 21:12:02
原创 Connections in Galaxy War ZOJ - 3261
In order to strengthen the defense ability, many stars in galaxy allied together and built many bidirectional tunnels
2020-02-22 21:12:02