摘要：
E. The penguin's game time limit per test: 1 second memory limit per test: 256 megabytes input: standard input output: standard output E. The penguin' 阅读全文
摘要：
Balancing Act Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 14247 Accepted: 6026 Description Consider a tree T with N (1 <= N <= 20,000) 阅读全文
摘要：
Area Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 20444 Accepted: 5567 Description You are going to compute the area of a special kind o 阅读全文