fbher的博客

A. Cloning Toys time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Imp likes his plush toy a lot.Recently, he found a machine that can clone p

The Pocket Cube, also known as the Mini Cube or the Ice Cube, is the 2 × 2 × 2 equivalence of a Rubik’s Cube. The cube consists of 8 pieces, all corners. Each piece is labeled by a three dimension...

C. Bustime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA bus moves along the coordinate line Ox from the point x = 0 to the point x = a. After star...

C. Candiestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAfter passing a test, Vasya got himself a box of n candies. He decided to eat an equal am...

A bracket sequence is a string containing only characters "(" and ")". A regular bracket sequence is a bracket sequence that can be transformed into a correct arithmetic expression by inserting charac...

C. Equalizetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given two binary strings aand b of the same length. You can ...

Vasya has n days of vacations! So he decided to improve his IT skills and do sport. Vasya knows the following information about each of this n days: whether that gym opened and whether a contest was c...

A non-empty string is called palindrome, if it reads the same from the left to the right and from the right to the left. For example, "abcba", "a", and "abba" are palindromes, while "abab" and "xy" ar...

C. Nastya Is Transposing Matricestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputNastya came to her informatics lesson, and her t...

A. Valeriy and Dequetime limit per test6 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently, on the course of algorithms and data structures, V...

Keep On MovinTime Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1607    Accepted Submission(s): 1036Problem Description Professor Zhang has kinds ...

It's All In The MindTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2300    Accepted Submission(s): 990Problem Description Professor Zhang has a...

B. Magic Forest time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Imp is in a magic forest, where xorangles grow (wut?)A xorangle of order n

C. Convenient For Everybodytime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn distant future on Earth day lasts for n hours and that's why...

C. Swap Adjacent Elementstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou have an array a consisting of n integers. Each integer from 1 ...

A. Points on the line time limit per test 1 second memory limit per test 256 megabytes input standard input output standard outputWe’ve got no test cases. A big olympiad is coming up. But the p

小希的迷宫Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 58645    Accepted Submission(s): 18463Problem Description 上次Gardon的迷宫城堡小希玩了很久（见Problem B），现...

畅通工程Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 61959    Accepted Submission(s): 33175Problem Description 某省调查城镇交通状况，得到现有城镇道路统计表，表中列出了每条道路直接...

Is It A Tree?Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 27685    Accepted Submission(s): 6390Problem Description A tree is a well-known dat...

题意：        给你一段字符串，让你用一个字符代替其中一个子串（如果有多个，全部代替），问你代替后子串长度加代替后的串的总长度最小是多少。思路：        才100，怎么想都可以暴力啦,但这里有一个坑，可以不代替- -#include<stdio.h>#include<iostream>#include<string.h>#include<...

Have you ever played the video game Minecraft? This game has been one of the world's most popular game in recent years. The world of Minecraft is made up of lots of 1×1×1 blocks in a 3D map. Blocks ar...

题目描述小Q得到一个神奇的数列: 1, 12, 123,...12345678910,1234567891011...。并且小Q对于能否被3整除这个性质很感兴趣。小Q现在希望你能帮他计算一下从数列的第l个到第r个(包含端点)有多少个数可以被3整除。输入描述:输入包括两个整数l和r(1 <= l <= r <= 1e9), 表示要求解的区间两端。输出描述:...