随笔分类 - codeforces
摘要：Description Bear Limak wants to become the largest of bears, or at least to become larger than his brother Bob. Right now, Limak and Bob weigh a and b
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摘要：Description You are developing a new feature for the website which sells airline tickets: being able to sort tickets by price! You have already extrac
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摘要：Description Input The input consists of four lines, each line containing a single digit 0 or 1. Output Output a single digit, 0 or 1. Example input 01
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摘要：Description Input The only line of the input contains a string of digits. The length of the string is between 1 and 10, inclusive. Input The only line
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摘要：Description DO YOU EXPECT ME TO FIND THIS OUT? WHAT BASE AND/XOR LANGUAGE INCLUDES string? DON'T BYTE OF MORE THAN YOU CAN CHEW YOU CAN ONLY DISTORT T
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摘要：Description Programmers' kids solve this riddle in 5-10 minutes. How fast can you do it? Programmers' kids solve this riddle in 5-10 minutes. How fast
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摘要：Description Input The input contains a single integer a (1 ≤ a ≤ 30). Description Input The input contains a single integer a (1 ≤ a ≤ 30). Output Out
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摘要：Description T is a complete binary tree consisting of n vertices. It means that exactly one vertex is a root, and each vertex is either a leaf (and do
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摘要：Description n children are standing in a circle and playing the counting-out game. Children are numbered clockwise from 1 to n. In the beginning, the
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摘要：Description There are n cities situated along the main road of Berland. Cities are represented by their coordinates — integer numbers a1, a2, ..., an.
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摘要：Description One of Timofey's birthday presents is a colourbook in a shape of an infinite plane. On the plane n rectangles with sides parallel to coord
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摘要：Description Each New Year Timofey and his friends cut down a tree of n vertices and bring it home. After that they paint all the n its vertices, so th
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摘要：Description Young Timofey has a birthday today! He got kit of n cubes as a birthday present from his parents. Every cube has a number ai, which is wri
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摘要：Description Comrade Dujikov is busy choosing artists for Timofey's birthday and is recieving calls from Taymyr from Ilia-alpinist. Ilia-alpinist calls
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摘要：Description For the given sequence with n different elements find the number of increasing subsequences with k + 1 elements. It is guaranteed that the
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摘要：Description Pashmak's homework is a problem about graphs. Although he always tries to do his homework completely, he can't solve this problem. As you
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摘要：Description Parmida is a clever girl and she wants to participate in Olympiads this year. Of course she wants her partner to be clever too (although h
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摘要：Description Recently Pashmak has been employed in a transportation company. The company has kbuses and has a contract with a school which has n studen
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摘要：Description Pashmak decided to give Parmida a pair of flowers from the garden. There are n flowers in the garden and the i-th of them has a beauty num
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摘要：Description Pashmak has fallen in love with an attractive girl called Parmida since one year ago... Today, Pashmak set up a meeting with his partner i
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