摘要：
链接： https://codeforces.com/contest/1182/problem/C 题意： You are given n words, each of which consists of lowercase alphabet letters. Each word contains 阅读全文
摘要：
链接： https://codeforces.com/contest/1182/problem/B 题意： You have a given picture with size w×h. Determine if the given picture has a single "+" shape or 阅读全文
摘要：
链接： https://codeforces.com/contest/1182/problem/A 题意： You have a given integer n. Find the number of ways to fill all 3×n tiles with the shape describ 阅读全文