摘要:
Description George took sticks of the same length and cut them randomly until all parts became at most 50 units long. Now he wants to return sticks to 阅读全文
摘要:
数独(深搜)数据最弱版本(poj 2676) Description Sudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown 阅读全文