摘要： 2012年ACM长春赛区区域赛结束了，这是今年的第一场区域赛。也意味着我今年在国内的比赛结束了（下一个赛区是去泰国的赛区）先记一下流水账：10月12日： 11：30的飞机去长春，8：00就开始出发去机场了。坐了两个多小时的飞机，感觉很爽。到了长春打车1个小时到了东师会馆注册、领衣服、抽签~~~~~然后入住了五星级宾馆——海航名门饭店。五星级的也就这样吧，没有感觉很好。但是服务和早餐真的很棒啊，有么有！10月13日：6点多就醒来了，然后就一直睡不着了。。。等待所有人都起来后，8点多去吃早餐，真的是暴豪华的早餐啊~~然后就去周边逛了下。去看了满洲国务院，去了文化广场。然后回到东北师范大学去吃午餐了 阅读全文

摘要： Yukari's BirthdayTime Limit: 2 Seconds Memory Limit: 32768 KBToday is Yukari's n-th birthday. Ran and Chen hold a celebration party for her. Now comes the most important part, birthday cake! But it's a big challenge for them to place n candles on the top of the cake. As Yukari has lived 阅读全文

摘要： The Little Girl who Picks MushroomsTime Limit: 2 Seconds Memory Limit: 32768 KBIt's yet another festival season in Gensokyo. Little girl Alice planned to pick mushrooms in five mountains. She brought five bags with her and used different bags to collect mushrooms from different mountains. Each b 阅读全文

摘要： Bit MagicTime Limit: 8 Seconds Memory Limit: 32768 KBYesterday, my teacher taught me about bit operators: and (&), or (|), xor (^). I generated a number table a[N], and wrote a program to calculate the matrix table b[N][N] using three kinds of bit operator. I thought my achievement would get tea 阅读全文