標籤: PetProblem DescriptionOne day, Lin Ji wake up in the morning and found that his pethamster escaped. He searched in the room but didn’t find the hamster. He tried to use some cheese to trap the hamster. He put the cheese
標籤: Description:Count the number of prime numbers less than a non-negative number, n.Credits:Special thanks to @mithmatt for adding this problem and creating all test cases.統計質數:給定一個非負整數n,統計出比n小的質數的個數。此題乍一看很簡單,就是寫一個函數判斷是否為質數,再進行n次迴圈即可。
標籤: Lotto DescriptionIn the German Lotto you have to select 6 numbers from the set {1,2,...,49}. A popular strategy to play Lotto - although it doesn‘t increase your chance of winning - is to select a subset S containing k (k > 6) of
標籤:3479: [Usaco2014 Mar]Watering the FieldsTime Limit: 10 Sec Memory Limit: 128 MBSubmit: 174 Solved: 97[Submit][Status][Discuss]Description Due to a lack of rain, Farmer John wants to build an
標籤:Problem Difinition:Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, given the array [−2,1,−3,4,−1,2,1,−5,4],the contiguous subarray [4,−1,2,1] has
標籤:HalumTime Limit: 3000msMemory Limit: 131072KBThis problem will be judged on UVA. Original ID: 1147864-bit integer IO format: %lld Java class name: Main You are given a directed graph G(V,E)
標籤:poj dp BalanceTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 11878 Accepted: 7417DescriptionGigel has a strange "balance" and he wants to poise it. Actually, the