u012870383的专栏

The Spot Game  The game of Spot is played on an NxN board as shown below for N = 4. During the game, alternate players may either place a black counter (spot) in an empty square or remove o

Crazy Search Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 23006   Accepted: 6460 Description Many people like to solve hard puzzles some of which may lead