摘要：题目链接: F. Polycarp and Hay time limit per test 4 seconds memory limit per test 512 megabytes input standard input output standard output time limit per
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摘要：题目链接： B. Qualifying Contest time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit pe
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摘要：题目链接： E. New Reform time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Berland has n cities
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摘要：题目链接： D. Bicycle Race time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per test
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摘要：题目链接： C. Tanya and Toys time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per te
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摘要：题目链接： A. Round House time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per test
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摘要：题目链接： D. Bear and Polynomials time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit
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摘要：题目链接： C. Bear and Forgotten Tree 3 time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time
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摘要：题目链接： B. Bear and Displayed Friends time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time
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摘要：题目链接： A. Bear and Reverse Radewoosh time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time
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摘要：题目链接： Bomber Man wants to bomb an Array. Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 382 Acce
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摘要：题目链接： India and China Origins Time Limit: 2000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 685 Accepted Submis
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摘要：题目链接： xiaoxin juju needs help Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 491 Accepted Submis
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摘要：题目链接： so easy Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 138 Accepted Submission(s): 110 Pro
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摘要：题目链接： B. z-sort time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per test 1 sec
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摘要：题目链接： D. Nested Segments time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit per
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摘要：题目链接： A. Gabriel and Caterpillar time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time lim
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摘要：题目链接： G. Hiring time limit per test 4 seconds memory limit per test 512 megabytes input standard input output standard output time limit per test 4 se
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摘要：题目链接： Matrix Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 23170 Accepted: 8613 Description Given an N*N matrix A, whose elements are eit
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摘要：题目链接： Color the ball Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 14781 Accepted Submission(s)
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摘要：题目链接： C. Subsequences time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output time limit per test
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摘要：题目链接： D. Pashmak and Parmida's problem Parmida is a clever girl and she wants to participate in Olympiads this year. Of course she wants her partner t
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摘要：题目链接： D. Powerful array An array of positive integers a1, a2, ..., an is given. Let us consider its arbitrary subarray al, al + 1..., ar, where 1 ≤ l
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摘要：题目链接： E. XOR and Favorite Number Bob has a favorite number k and ai of length n. Now he asks you to answer m queries. Each query is given by a pair li
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摘要：题目链接： C. Nearest vectors You are given the set of vectors on the plane, each of them starting at the origin. Your task is to find a pair of vectors wi
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摘要：题目链接： E. Chocolate Bar You have a rectangular chocolate bar consisting of n × m single squares. You want to eat exactly k squares, so you may need to
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摘要：题目链接： C. Bear and Up-Down The life goes up and down, just like nice sequences. Sequence t1, t2, ..., tn is called nice if the following two conditions
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摘要：题目链接： B. Bear and Compressing Limak is a little polar bear. Polar bears hate long strings and thus they like to compress them. You should also know th
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摘要：题目链接： A. Bear and Three Balls Limak is a little polar bear. He has n balls, the i-th ball has size ti. Limak wants to give one ball to each of his thr
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摘要：题目链接： D. Robot Rapping Results Report While Farmer John rebuilds his farm in an unfamiliar portion of Bovinia, Bessie is out trying some alternative j
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摘要：题目链接： C. Enduring Exodus In an attempt to escape the Mischievous Mess Makers' antics, Farmer John has abandoned his farm and is traveling to the other
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摘要：题目链接： B. Mischievous Mess Makers It is a balmy spring afternoon, and Farmer John's n cows are ruminating about link-cut cacti in their stalls. The cow
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摘要：题目链接： A. Amity Assessment Bessie the cow and her best friend Elsie each received a sliding puzzle on Pi Day. Their puzzles consist of a 2 × 2 grid and
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摘要：题目链接： D. Running with Obstacles A sportsman starts from point xstart = 0 and runs to point with coordinate xfinish = m (on a straight line). Also, the
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摘要：题目链接: B. Chat Order time limit per test Polycarp is a big lover of killing time in social networks. A page with a chatlist in his favourite network is
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摘要：题目链接： A. Voting for Photos time limit per test After celebrating the midcourse the students of one of the faculties of the Berland State University de
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摘要：题目链接： C. Drazil and Factorial time limit per test 2 seconds Drazil is playing a math game with Varda. Let's define for positive integer x as a produc
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摘要：题目链接：LCM Walk Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 491 Accepted Submission(s): 254 Pro
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摘要：题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=5583 Kingdom of Black and White Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Jav
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摘要：题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=5578 Friendship of Frog Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others
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摘要：题目链接： http://codeforces.com/contest/651/problem/D D. Image Preview time limit per test 1 second memory limit per test 256 megabytes input standard inp
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摘要：B. Beautiful Paintings time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There are n pictur
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摘要：A. Joysticks time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Friends are going to play co
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摘要：C. Watchmen time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Watchmen are in a danger and
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摘要：D. Babaei and Birthday Cake time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Babaei an
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摘要：Brackets Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 5150 Accepted: 2761 Description We give the following inductive definition of a “r
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摘要：Alisha’s Party Time Limit: 3000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 3926 Accepted Submission(s): 101
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摘要：C. Report time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Each month Blake gets the repo
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摘要：B. Print Check time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Kris works in a large comp
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摘要：A. Interview time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Blake is a CEO of a large co
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摘要：B. Factory Repairs time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output A factory produces th
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摘要：C. The Smallest String Concatenation time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output You
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摘要：B. Alice, Bob, Two Teams time limit per test 1.5 seconds memory limit per test 256 megabytes input standard input output standard output Alice and Bob
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摘要：A. Grandma Laura and Apples time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Grandma Laura
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