yjjr's blog

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Codeforces849a odds and ends

标签：模拟 Where do odds begin, and where do they end?Where does hope emerge, and will they ever ...

Posted by yjjr's blog on February 6, 2018

Codeforces847m weather tomorrow

标签：模拟，计算几何 Vasya cameup with his own weather forecasting method. He knows the information ab...

Posted by yjjr's blog on February 6, 2018

Codeforces847k travel cards

标签：贪心，hash In theevening Polycarp decided to analyze his today's travel expenses on publictr...

Posted by yjjr's blog on February 6, 2018

Codeforces847i noiselevel

标签：bfs,队列 TheBerland's capital has the form of a rectangle with sizes n × m quarte...

Posted by yjjr's blog on February 6, 2018

Codeforces847h load testing

标签：DP Polycarpplans to conduct a load testing of its new project Fakebook. He already agreed...

Posted by yjjr's blog on February 6, 2018

Codeforces847g universityclasses

标签：模拟  There are n student groups at the university.During the study day, eac...

Posted by yjjr's blog on February 6, 2018

Codeforces847e packmen

标签：二分 A gamefield is a strip of 1 × n squarecells. In some cells there are Packmen...

Posted by yjjr's blog on February 6, 2018

Codeforces847d dog show

标签：贪心，模拟 A new dogshow on TV is starting next week. On the show dogs are required to demonst...

Posted by yjjr's blog on February 6, 2018

Codeforces847c sum of nestings

标签：dfs Recallthat the bracket sequence is considered regular if it is possible to insertsymb...

Posted by yjjr's blog on February 6, 2018

Codeforces847b preparing formerge sort

标签：递推，DP Ivan hasan array consisting of n differentintegers. He decided to reorder...

Posted by yjjr's blog on February 6, 2018

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