随笔分类 - Codeforces
摘要：B. Spongebob and JokeWhile Patrick was gone shopping, Spongebob decided to play a little trick on his friend. The naughty Sponge browsed through Patri...
阅读全文
摘要：A. Patrick and ShoppingToday Patrick waits for a visit from his friend Spongebob. To prepare for the visit, Patrick needs to buy some goodies in two s...
阅读全文
摘要：D. Vasya and ChessVasya decided to learn to play chess. Classic chess doesn't seem interesting to him, so he plays his own sort of chess.The queen is ...
阅读全文
摘要：C. Vasya and BasketballVasya follows a basketball game and marks the distances from which each team makes a throw. He knows that each successful throw...
阅读全文
摘要：B. Vasya and WrestlingVasya has become interested in wrestling. In wrestling wrestlers use techniques for which they are awarded points by judges. The...
阅读全文
摘要：A. Vasya and FootballVasya has started watching football games. He has learned that for some fouls the players receive yellow cards, and for some foul...
阅读全文
摘要：D. Beautiful numbersVolodya is an odd boy and his taste is strange as well. It seems to him that a positive integer number isbeautifulif and only if i...
阅读全文
摘要：D. KindergartenIn a kindergarten, the children are being divided into groups. The teacher put the children in a line and associated each child with hi...
阅读全文
摘要：D. Maximum ValueYou are given a sequenceaconsisting ofnintegers. Find the maximum possible value of(integer remainder ofaidivided byaj), where1 ≤ i, j...
阅读全文
摘要：A. BitsLet's denote asthe number of bits set ('1' bits) in the binary representation of the non-negative integerx.You are given multiple queries consi...
阅读全文
摘要：D. Super MAri the monster is not an ordinary monster. She is the hidden identity of Super M, the Byteforces’ superhero. Byteforces is a country that c...
阅读全文
摘要：B. Pasha and PhonePasha has recently bought a new phonejPagerand started adding his friends' phone numbers there. Each phone number consists of exactl...
阅读全文
摘要：D. Max and BikeFor months Maxim has been coming to work on his favorite bicycle. And quite recently he decided that he is ready to take part in a cycl...
阅读全文
摘要：E. LIS of SequenceThe next "Data Structures and Algorithms" lesson will be about Longest Increasing Subsequence (LIS for short) of a sequence. For bet...
阅读全文
摘要：D. Valid SetsAs you know, an undirected connected graph withnnodes andn - 1edges is called atree. You are given an integerdand a tree consisting ofnno...
阅读全文
摘要：C. Palindrome TransformationNam is playing with a string on his computer. The string consists ofnlowercase English letters. It is meaningless, so Nam ...
阅读全文
摘要：B. OR in MatrixLet's define logicalORas an operation on two logical values (i. e. values that belong to the set{0, 1}) that is equal to1if either or b...
阅读全文
摘要：A. Calculating FunctionFor a positive integernlet's define a functionf:f(n) = - 1 + 2 - 3 + .. + ( - 1)nnYour task is to calculatef(n)for a given int...
阅读全文
摘要：D. MUH and Cube WallsPolar bears Menshykov and Uslada from the zoo of St. Petersburg and elephant Horace from the zoo of Kiev got hold of lots of wood...
阅读全文
摘要：B. Anton and LinesThe teacher gave Anton a large geometry homework, but he didn't do it (as usual) as he participated in a regular round on Codeforces...
阅读全文
浙公网安备 33010602011771号