摘要：
You are given a set of integer numbers, initially it is empty. You should perform n queries.
There are three different types of queries:
1 l r — Add all missing numbers from the interval [l, r]
2 l r — Remo 阅读全文
posted @ 2017-07-11 15:25
Deadecho
阅读(837)
评论(3)
推荐(2)
浙公网安备 33010602011771号