用c++算法实现了棋盘覆盖，任意选择一个方格作为特殊方格，可以用四种不同形状的L型骨牌覆盖其余方格。用CodeBlocks开发实现。-In c++ algorithm to realize the cover board, choose a square as a special box, can use four different shapes of L domino cover the rest of the box. With the development CodeBlocks realization.