標籤:難度層級:A; 已耗用時間限制:1000ms; Runspace限制:51200KB; 代碼長度限制:2000000B試題描述將正整數 x 的約數個數表示為 g(x)。例如,g(1)=1,g(4)=3, g(6)=4。如果對於任意正整數y,當 0 < y < x 時,x 都滿足 g(x) > g(y), 則稱 x 為反質數。整數 1,2,4,6 等都是反質數。現在任意給定兩個正整數 M, N,其中,M < N <= 20000000,按從小到大輸出其中(包括
標籤:Generalized Roman NumeralsTime Limit: 5000msMemory Limit: 262144KBThis problem will be judged on CodeForcesGym. Original ID: 100641D64-bit integer IO format: %I64d Java class name: (Any) The
標籤: Building a Space StationTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 5912 Accepted: 2935DescriptionYou are a member of the space station engineering team, and are assigned a task in the
標籤:此處的三個題跟Maximum Subarray,可以先看此題I)Say you have an array for which the ith element is the price of a given stock on day i.If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock),
標籤:Phone ListProblem DescriptionGiven a list of phone numbers, determine if it is consistent in the sense that no number is the prefix of another. Let’s say the phone catalogue listed these numbers:1. Emergency 9112. Alice 97 625 9993. Bob 91 12 54 2