题目链接:http://codeforces.com/contest/721/problem/A A. One-dimensional Japanese Crossword time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Recently Adaltik discovered japanese crosswords. Japan…
Brain's Photos 题目链接: http://codeforces.com/contest/707/problem/A Description Small, but very brave, mouse Brain was not accepted to summer school of young villains. He was upset and decided to postpone his plans of taking over the world, but to becom…
A. One-dimensional Japanese Crossword 题目连接: http://codeforces.com/contest/721/problem/A Description Recently Adaltik discovered japanese crosswords. Japanese crossword is a picture, represented as a table sized a × b squares, and each square is color…
D. Maxim and Array 题目连接: http://codeforces.com/contest/721/problem/D Description Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he invented positive integer x and decided to add or…
C. Journey 题目连接: http://codeforces.com/contest/721/problem/C Description Recently Irina arrived to one of the most famous cities of Berland - the Berlatov city. There are n showplaces in the city, numbered from 1 to n, and some of them are connected…
B. Passwords 题目连接: http://codeforces.com/contest/721/problem/B Description Vanya is managed to enter his favourite site Codehorses. Vanya uses n distinct passwords for sites at all, however he can't remember which one exactly he specified during Code…
题目链接:http://codeforces.com/problemset/problem/721/D D. Maxim and Array time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Recently Maxim has found an array of n integers, needed by no one. He…
题目链接:http://codeforces.com/contest/721/problem/C C. Journey time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Recently Irina arrived to one of the most famous cities of Berland — the Berlato…
题目链接:http://codeforces.com/contest/721/problem/B B. Passwords time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Vanya is managed to enter his favourite site Codehorses. Vanya uses n distinct…
A. One-dimensional Japanese Crossword time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Recently Adaltik discovered japanese crosswords. Japanese crossword is a picture, represented as a tabl…
C. Journey time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Recently Irina arrived to one of the most famous cities of Berland — the Berlatov city. There are n showplaces in the city, numbe…
A. One-dimensional Japanese Crossword time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Recently Adaltik discovered japanese crosswords. Japanese crossword is a picture, represented as a tabl…
D. Maxim and Array time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Recently Maxim has found an array of n integers, needed by no one. He immediately come up with idea of changing it: he in…
C. Journey time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Recently Irina arrived to one of the most famous cities of Berland — the Berlatov city. There are n showplaces in the city, numbe…
C. Journey time limit per test3 seconds memory limit per test256 megabytes inputstandard input outputstandard output Recently Irina arrived to one of the most famous cities of Berland — the Berlatov city. There are n showplaces to n, and some of them…
C. Efim and Strange Grade 题目连接: http://codeforces.com/contest/719/problem/C Description Efim just received his grade for the last test. He studies in a special school and his grade can be equal to any positive decimal fraction. First he got disappoin…
B. Case of Fake Numbers Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/556/problem/B Description Andrewid the Android is a galaxy-famous detective. He is now investigating a case of frauds who make fake copies of the famou…
B. Ohana Cleans Up Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/554/problem/B Description Ohana Matsumae is trying to clean a room, which is divided up into an n by n grid of squares. Each square is initially either clea…
A. Kyoya and Photobooks Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/554/problem/A Description Kyoya Ootori is selling photobooks of the Ouran High School Host Club. He has 26 photos, labeled "a" to "z", a…
A. Whose sentence is it? Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/312/problem/A Description One day, liouzhou_101 got a chat record of Freda and Rainbow. Out of curiosity, he wanted to know which sentences were said…
A. Wilbur and Swimming Pool Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/596/problem/A Description After making bad dives into swimming pools, Wilbur wants to build a swimming pool in the shape of a rectangle in his back…
A. The Child and Toy Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/438/problem/A Description On Children's Day, the child got a toy from Delayyy as a present. However, the child is so naughty that he can't wait to destroy…
C. Duff and Weight Lifting Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/588/problem/C Description Recently, Duff has been practicing weight lifting. As a hard practice, Malek gave her a task. He gave her a sequence of wei…
B. Gerald is into Art Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/560/problem/B Description Gerald bought two very rare paintings at the Sotheby's auction and he now wants to hang them on the wall. For that he bought a…
A. Currency System in Geraldion Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/560/problem/A Description A magic island Geraldion, where Gerald lives, has its own currency system. It uses banknotes of several values. But t…