摘要：A. Tavas and Nafas time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Tavas and Nafas tim 阅读全文

摘要：Performance ReviewEmployee performance reviews are a necessary evil in any company. In a performance review, employees give written feedback about eac 阅读全文

摘要：A. Alyona and Numbers time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output After finishing eat 阅读全文

摘要：A. Vladik and flights time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Vladik and flig 阅读全文

摘要：A. Andryusha and Socks time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Andryusha is an o 阅读全文

摘要：A. Dasha and Stairs time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Dasha and Stairs 阅读全文

摘要：D. Alyona and a tree time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Alyona has a tree w 阅读全文

摘要：A. Oath of the Night's Watch time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Oath of 阅读全文

摘要：A. Snacktower time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A. Snacktower time limit p 阅读全文

摘要：A. One-dimensional Japanese Crossword time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. 阅读全文

摘要：Hie with the Pie Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 6436 Accepted: 3470 Description The Pizazz Pizzeria prides itself in deliv 阅读全文

摘要：C. Kefa and Park time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Kefa and Park time l 阅读全文

摘要：Description All submissions for this problem are available. Read problems statements in Mandarin Chinese, Russian and Vietnamese as well. Chef is a bi 阅读全文

摘要：Description 在 W 星球上有 n 个国家。为了各自国家的经济发展，他们决定在各个国家 之间建设双向道路使得国家之间连通。但是每个国家的国王都很吝啬，他们只愿 意修建恰好 n – 1条双向道路。 每条道路的修建都要付出一定的费用， 这个费用等于道路长度乘以道路两端的国家个数之差的绝对值。例 阅读全文

摘要：Problem Description Harry Potter has some precious. For example, his invisible robe, his wand and his owl. When Hogwarts school is in holiday, Harry ... 阅读全文

摘要：Problem J. JokewithpermutationInput file: joke.inOutput file: joke.outJoey had saved a permutation of integers from 1 to n in a text file. All the num... 阅读全文