摘要：
Intervals Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 8271 Accepted: 3268 Description There is given the series of n closed intervals [ 阅读全文
摘要：
滑雪 Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 97321 Accepted: 36903 Description Michael喜欢滑雪百这并不奇怪， 因为滑雪的确很刺激。可是为了获得速度，滑的区域必须向下倾斜，而且当你滑 阅读全文