We are OIers

描述在大学期间，经常需要租借教室。大到院系举办活动，小到学习小组自习讨论，都需要向学校申请借教室。教室的大小功能不同，借教室人的身份不同，借教室的手续也不一样。面对海量租借教室的信息，我们自然希望编程解决这个问题。我们需要处理接下来n天的借教室信息，其中第i天学校有ri个教室可供租借。共有m份订单，每份订单用三个正整数描述，分别为dj,sj,tj，表示某租借者需要从第sj天到第tj天租

DescriptionOh those picky N (1 <= N <= 50,000) cows! They are so picky that each one will only be milked over some precise time interval A..B (1 <= A <= B <= 1,000,000), which includes both time

DescriptionFarmer John has received a noise complaint from his neighbor, Farmer Bob, stating that his cows are making too much noise. FJ's N cows (1 <= N <= 10,000) all graze at various location

DescriptionFarmer John is trying to figure out when his last shipment of feed arrived. Starting with an empty grain bin, he ordered and received F1 (1 <= F1 <= 1,000,000) kilograms of feed. Regr

DescriptionFJ's N (1 <= N <= 10,000) cows conveniently indexed 1..N are standing in a line. Each cow has a positive integer height (which is a bit of secret). You are told only the height H (1 <

DescriptionFarmer John 决定给他的奶牛们照一张合影，他让 N (1 ≤ N ≤ 50,000) 头奶牛站成一条直线，每头牛都有它的坐标(范围: 0..1,000,000,000)和种族(0或1)。 一直以来 Farmer John 总是喜欢做一些非凡的事，当然这次照相也不例外。他只给一部分牛照相，并且这一组牛的阵容必须是“平衡的”。平衡的阵容，指的是在一组牛中，种族0