sirr01uta

摘要： 题目如下 B. Having Been a Treasurer in the Past, I Help Goblins Deceive time limit per test2 seconds memory limit per test256 megabytes After completing t 阅读全文

摘要： 题目如下 Jeff's got n cards, each card contains either digit 0, or digit 5. Jeff can choose several cards and put them in a line so that he gets some numb 阅读全文

摘要： 题目如下 A. Number Transformation time limit per test2 seconds memory limit per test512 megabytes You are given two integers 𝑥 and 𝑦. You want to choose 阅读全文

摘要： 题目如下 B. Alphabetical Strings time limit per test2 seconds memory limit per test512 megabytes A string 𝑠 of length 𝑛 (1≤𝑛≤26) is called alphabetical 阅读全文

摘要： 题目如下 Ashish has 𝑛 elements arranged in a line. These elements are represented by two integers 𝑎𝑖 — the value of the element and 𝑏𝑖 — the type of 阅读全文

摘要： 题目如下 A. Doors and Keys time limit per test2 seconds memory limit per test256 megabytes The knight is standing in front of a long and narrow hallway. A 阅读全文

摘要： 题目如下 B. Rudolph and Tic-Tac-Toe time limit per test1 second memory limit per test256 megabytes Rudolph invented the game of tic-tac-toe for three play 阅读全文

摘要： 题目如下 A. Distance and Axis time limit per test1 second memory limit per test256 megabytes We have a point 𝐴 with coordinate 𝑥=𝑛 on 𝑂𝑋-axis. We'd l 阅读全文

摘要： 题目如下 A. Tricky Template time limit per test2 seconds memory limit per test256 megabytes You are given an integer 𝑛 and three strings 𝑎,𝑏,𝑐, each c 阅读全文

摘要： 题目如下 A. Bad Triangle time limit per test1 second memory limit per test256 megabytes You are given an array 𝑎1,𝑎2,…,𝑎𝑛, which is sorted in non-decr 阅读全文