Problem Statement Masterbrain is a two player board game in which one player decides on a secret combination of digits, while the other must figure it out in 10 guesses or less. The game differs from Mastermind in that the player making the secr…
Problem Statement The purpose of a roundabout is to control the flow of traffic at a busy intersection. A roundabout has 4 entry points: from the North, East, South and West; and 4 exit points at the same locations (see Example 0 for a diagram).…
Problem Statement You are a genealogist specializing in family trees of vampires. Vampire family trees differ from human family trees. In particular, vampires are "born" in a different way. The only way to create a new vampire is that an ex…
A 裸最短路. class TravelOnMars { public: int minTimes(vector <int>, int, int); }; vector<int> e[maxn]; int n; int dist(int a,int b) { if (a>b) swap(a,b); int res = min( b-a , a+n-b); return res; } int d[maxn],inq[maxn]; queue<int> q; int…
