Codeforces 39D. Cubical Planet You can find anything whatsoever in our Galaxy! A cubical planet goes round an icosahedral star. Let us introduce a system of axes so that the edges of the cubical planet are parallel to the coordinat 2022-11-15 XCPC > Codeforces > 800 #思维
实验室第二次讲课 实验室第二次讲课#47. 时间转换说明给定一个以秒为单位的时间t,要求用的格式来表示这个时间。<H>表示时间,<M>表示分钟,而表示秒,它们都是整数且没有前导的“0”。例如,若t=0,则应输出是“”;若t=3661,则输出“”。 输入格式输入只有一行,是一个整数t(0<=t<=86399)。 输出格式输出只有一行,是以“” 2022-11-10 实验室讲课 #入门 #实验室讲课
Codeforces 1744A. Number Replacement A. Number Replacementtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAn integer array a1,a2,…,an is being transformed into an array of lowercase E 2022-10-10
Codeforces 1750B. Maximum Substring B. Maximum Substring A binary string is a string consisting only of the characters 0 and 1. You are given a binary string s. For some non-empty substring† t of string s containing x characters 0 and y 2021-11-10