PAT頂級題解目錄 Given a string which contains only lower case English letters, how many different strings you can get
PAT頂級題解目錄 Given any weighted undirected graph, there exists at least one minimum spanning tree (MST) if the grap
PAT頂級題解目錄 Given a positive integer N, let us define a subnumber of N as a consecutive number of digits NOT start
PAT頂級題解目錄 There are a lot of tips telling us that some fruits must not be eaten with some other fruits, or we might get
歡迎訪問我的PAT頂級題解目錄 According to Wikipedia: "In mathematics and in particular in combinatorics, the Lehmer code is a partic
PAT頂級題解目錄 Eva would like to make a string of beads with her favorite colors so she went to a small shop to buy s
歡迎訪問我的PAT頂級題解目錄 Given a list of N integers A1, A2, A3,...AN, there's a famous problem to count the number o
Given a map of airline routes, you are supposed to check if a round trip can be planned between any pair of cities. Inp
A circle of friends is a network of friend relationships. If A is a friend of B, then B is considered a friend of A no
There are currently 168 internationally recognized unique national currencies in this world. But let us assume that we
Programmers often have a preference among program constructs. For example, some may prefer if(0==a), while others may p
When a rectangle is cut by a straight line, we can easily obtain two polygons as the result. But the reversed problem
PAT頂級題解目錄 Here is a simple intersting letter-moving game. The game starts with 2 strings S and T consist of lowe
