摘要：
地址：http://codeforces.com/problemset/problem/768/A 题目： A. Oath of the Night's Watch time limit per test 2 seconds memory limit per test 256 megabytes i 阅读全文
摘要：
地址：http://codeforces.com/contest/765/problem/E 题目： E. Tree Folding time limit per test 2 seconds memory limit per test 512 megabytes input standard in 阅读全文
摘要：
地址：http://codeforces.com/contest/765/problem/D 题目： D. Artsem and Saunders time limit per test 2 seconds memory limit per test 512 megabytes input stan 阅读全文
摘要：
地址：http://codeforces.com/contest/765/problem/C 题目： C. Table Tennis Game 2 time limit per test 2 seconds memory limit per test 512 megabytes input stan 阅读全文
摘要：
地址：http://codeforces.com/contest/765/problem/B 题目： B. Code obfuscation time limit per test 2 seconds memory limit per test 512 megabytes input standar 阅读全文
摘要：
地址：http://codeforces.com/contest/765/problem/A 题目： A. Neverending competitions time limit per test 2 seconds memory limit per test 512 megabytes input 阅读全文
摘要：
地址：http://codeforces.com/contest/766/problem/E 题目： E. Mahmoud and a xor trip time limit per test 2 seconds memory limit per test 256 megabytes input s 阅读全文
摘要：
地址：http://codeforces.com/contest/766/problem/D 题目： D. Mahmoud and a Dictionary time limit per test 4 seconds memory limit per test 256 megabytes input 阅读全文
摘要：
地址：http://codeforces.com/contest/766/problem/C 题目： C. Mahmoud and a Message time limit per test 2 seconds memory limit per test 256 megabytes input st 阅读全文
摘要：
地址：http://codeforces.com/contest/766/problem/A A题： A. Mahmoud and Longest Uncommon Subsequence time limit per test 2 seconds memory limit per test 256 阅读全文
摘要：
不带权： 带权： 阅读全文
摘要：
题目： Mars was the first planet colonized by humans. After a long terraforming process its appearance has changed completely. From the red desert it has 阅读全文
摘要：
题目： Nowadays spaceships are never launched from the Earth's surface. There is a huge spaceport placed in the geostationary orbit and connected to the 阅读全文
摘要：
While some people travel in space from planet to planet and discover new worlds, the others who live on Earth still have to get up in the morning, go 阅读全文
摘要：
地址：http://poj.org/problem?id=1755 题目： Triathlon Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 6931 Accepted: 1797 Description Triathlon i 阅读全文
摘要：
地址：http://poj.org/problem?id=3384 题目： Feng Shui Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 5551 Accepted: 1667 Special Judge Descripti 阅读全文
摘要：
地址：http://poj.org/problem?id=3525 题目： Most Distant Point from the Sea Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 5167 Accepted: 2331 S 阅读全文
摘要：
题目： Faulty dial Pavel has not played ACM for ages, nor does he train teams, nor prepare problems. The thing is that there are much more global issues 阅读全文
摘要：
题目： Bowling game In all asocial teams members ignore each other uniformly, each tight-knit team builds up team spirit their own way. Olya, Egor and Ol 阅读全文
摘要：
地址：http://poj.org/problem?id=1279 题目： Art Gallery Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7329 Accepted: 2938 Description The art g 阅读全文