文章分类 -  数论

摘要：Box of BricksTime Limit:1 Second Memory Limit:32768 KBLittle Bob likes playing with his box of bricks. He puts the bricks one upon another and builds stacks of different height. ``Look, I've built a wall!'', he tells his older sister Alice. ``Nah, you should make all stacks the same heig 阅读全文

摘要：Head-to-Head MatchTime Limit:1 Second Memory Limit:32768 KBOur school is planning to hold a new exciting computer programming contest. During each round of the contest, the competitors will be paired, and compete head-to-head. The loser will be eliminated, and the winner will advance to next round. 阅读全文