摘要：
链接：https://codeforces.com/contest/1169/problem/C 题意： Toad Zitz has an array of integers, each integer is between 00 and m−1m−1 inclusive. The integers 阅读全文
摘要：
链接：https://codeforces.com/contest/1169/problem/B 题意： Toad Ivan has mm pairs of integers, each integer is between 11 and nn, inclusive. The pairs are ( 阅读全文
摘要：
链接：https://codeforces.com/contest/1169/problem/A 题意： The circle line of the Roflanpolis subway has nn stations. There are two parallel routes in the s 阅读全文