摘要：
题目链接：http://codeforces.com/problemset/problem/1082/B B. Vova and Trophies time limit per test 2 seconds memory limit per test 256 megabytes input stan 阅读全文
摘要：
题目链接：http://codeforces.com/problemset/problem/1102/C C. Doors Breaking and Repairing time limit per test 1 second memory limit per test 256 megabytes 阅读全文