摘要：D. Make a Permutation! time limit per test： 2 seconds memory limit per test： 256 megabytes input： standard input output： standard output D. Make a Per 阅读全文

摘要：C. Bus time limit per test: 2 seconds memory limit per test: 256 megabytes input: standard input output: standard output A bus moves along the coordin 阅读全文

摘要：C. Maximal GCD time limit per test: 1 second memory limit per test: 256 megabytes input: standard input output: standard output You are given positive 阅读全文

摘要：C. Mike and gcd problem time limit per test: 2 seconds memory limit per test: 256 megabytes input: standard input output: standard output C. Mike and 阅读全文

摘要：C. Bank Hacking time limit per test： 2 seconds memory limit per test： 256 megabytes input： standard input output： standard output Although Inzane succ 阅读全文

摘要：B. Counting-out Rhyme time limit per test： 1 second memory limit per test： 256 megabytes input： standard input output： standard output B. Counting-out 阅读全文

摘要：E. Paths and Trees time limit per test: 3 seconds memory limit per test: 256 megabytes input: standard input output: standard output Little girl Susie 阅读全文

摘要：D. Legacy time limit per test:2 seconds memory limit per test:256 megabytes input:standard input output:standard output Rick and his co-workers have m 阅读全文

摘要：C. Bear and Different Names time limit per test:1 second memory limit per test:256 megabytes input:standard input output:standard output In the army, 阅读全文

摘要：B. Bear and Friendship Condition time limit per test：1 second memory limit per test：256 megabytes input：standard input output：standard output Bear Lim 阅读全文

摘要：B. The Meeting Place Cannot Be Changed time limit per test：5 seconds memory limit per test：256 megabytes input：standard input output：standard output T 阅读全文

摘要：C. Andryusha and Colored Balloons time limit per test：2 seconds memory limit per test：256 megabytes input：standard input output：standard output Andryu 阅读全文

摘要：D. String Game time limit per test：2 seconds memory limit per test：512 megabytes input：standard input output：standard output Little Nastya has a hobby 阅读全文

摘要：B. The Queue time limit per test：1 second memory limit per test：256 megabytes input：standard input output：standard output B. The Queue time limit per 阅读全文

摘要：D. Mahmoud and a Dictionary time limit per test:4 seconds memory limit per test:256 megabytes input:standard input output: standard output D. Mahmoud 阅读全文

摘要：D. Leaving Auction time limit per test： 2 seconds memory limit per test：256 megabytes input：standard input output：standard output D. Leaving Auction t 阅读全文

摘要：C. Felicity is Coming! time limit per test：2 seconds memory limit per test：256 megabytes input：standard input output：standard output C. Felicity is Co 阅读全文

摘要：B. Bash's Big Day time limit per test：2 seconds memory limit per test：512 megabytes input：standard input output： standard output B. Bash's Big Day tim 阅读全文

摘要：C. Voting time limit per test: 1 second memory limit per test: 256 megabytes input: standard input output: standard output C. Voting time limit per te 阅读全文

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