题目地址:
http://uva.onlinejudge.org/index.php?optioncom_onlinejudge&Itemid8&pageshow_problem&problem470
题目描述: Addition Chains An addition chain for n is an integer sequence with the following four properties: a0…
Let’s play the minesweeper game (Wikipedia, online game)!
You are given a 2D char matrix representing the game board. ‘M’ represents an unrevealed mine, ‘E’ represents an unrevealed empty square, ‘B’ represents a revealed blank square that has no a…