CF 225C Barcode(DP)
摘要:
传送门:点我 You've got an n × m pixel picture. Each pixel can be white or black. Your task is to change the colors of as few pixels as possible to obtain a 阅读全文
posted @ 2019-03-16 17:24 Esquecer 阅读(235) 评论(0) 推荐(0) 编辑