摘要：
链接：https://ac.nowcoder.com/acm/contest/5477/F来源：牛客网 题目描述 天才程序员菜哭武和石头组队参加一个叫做国际排列计算竞赛 (International Competition of Permutation Calculation, ICPC) 的比赛， 阅读全文
摘要：
Another semester has ended and Arthur finally achieved his dream of attending Data Structures I with all professors in the Mathematics Department. Now 阅读全文