coupons
【题解】CF754D Fedor and coupons（优先队列）
# 【题解】CF754D Fedor and coupons ## 题目链接 [CF754D Fedor and coupons](https://www.luogu.com.cn/problem/CF754D) [CF1029C Maximal Intersection](https://www. ......
Lottery Coupons
There is a lottery with n coupons and n people take part in it. Each person picks exactly one coupon. Coupons are numbered consecutively from 1 to n. ......