GSD_liu的博客

Yi Sima was one of the best counselors of Cao Cao. He likes to play a funny game himself. It looks like the modern Sudoku, but smaller.  Actually, Yi Sima was playing it different. First of all, he

A. Shell Game time limit per test 0.5 seconds memory limit per test 256 megabytes input standard input output standard output Bomboslav likes to look out of the window in his room