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A. Find Colortime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputNot so long ago as a result of combat operations the main Berland place of interest —

A. Towerstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle Vasya has received a young builder’s kit. The kit consists of several wooden bars,

A. Extra-terrestrial Intelligencetime limit per test2 secondsmemory limit per test64 megabytesinputinput.txtoutputoutput.txtRecently Vasya got interested in finding extra-terrestrial intelligence. He

A. Shell Gametime limit per test2 secondsmemory limit per test64 megabytesinputinput.txtoutputoutput.txtToday the ?Z? city residents enjoy a shell game competition. The residents are gathered on the m

A. Reconnaissance 2time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputn soldiers stand in a circle. For each soldier his height ai is known. A reconn

A. What is for dinner?time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn one little known, but very beautiful country called Waterland, lives a lo

A. Reconnaissancetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAccording to the regulations of Berland's army, a reconnaissance unit should cons

A. Worms Evolutiontime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputProfessor Vasechkin is studying evolution of worms. Recently he put forward hypo

A. Accountingtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA long time ago in some far country lived king Copa. After the recent king's reform,

A. Spit Problemtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn a Berland's zoo there is an enclosure with camels. It is known that camels like

A. Next Testtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard output?Polygon? is a system which allows to create programming tasks in a simple and profess

A. Almost Primetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA number is called almost prime if it has exactly two distinct prime divisors. For

A. IQ testtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBob is preparing to pass IQ test. The most frequent task in this test is to find out whi

A. Ring roadtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputNowadays the one-way traffic is introduced all over the world in order to improve driv

A. You're Given a String...time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou're given a string of lower-case Latin letters. Your task is to find

A. Second Order Statisticstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputOnce Bob needed to find the second order statistics of a sequence of int

A. Jabber IDtime limit per test0.5 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputJabber ID on the national Berland service ?Babber? has a form @[/resource], where — i

A. BerOS file systemtime limit per test2 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard outputThe new operating system BerOS has a nice feature. It is possible to use any nu

A. World Football Cuptime limit per test2 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard outputEveryone knows that 2010 FIFA World Cup is being held in South Africa now. By

A. Triangletime limit per test2 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard outputAt a geometry lesson Bob learnt that a triangle is called right-angled if it is nondegen

A. Noldbach problemtime limit per test2 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard outputNick is interested in prime numbers. Once he read about Goldbach problem. It sta

A. Flagtime limit per test2 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard outputAccording to a new ISO standard, a flag of every country should have a chequered field n?×?m

A. Cottage Villagetime limit per test2 secondsmemory limit per test64 megabytesinputstandard inputoutputstandard outputA new cottage village called ?Flatville? is being built in Flatland. By now they

A. Lettertime limit per test1 secondmemory limit per test64 megabytesinputstandard inputoutputstandard outputA boy Bob likes to draw. Not long ago he bought a rectangular graph (checked) sheet with n 

A. Numberstime limit per test1 secondmemory limit per test64 megabytesinputstandard inputoutputstandard outputLittle Petya likes numbers a lot. He found that number 123 in base 16 consists of two digi

A. Super Agenttime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere is a very secret base in Potatoland where potato mash is made according to a s

A. Increasing Sequencetime limit per test1 secondmemory limit per test64 megabytesinputstandard inputoutputstandard outputA sequence a0,?a1,?...,?at?-?1 is called increasing if ai?-?1?ai for each i:?0

A. Power Consumption Calculationtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputTom is interested in power consumption of his favourite laptop. His

A. Die Rolltime limit per test1 secondmemory limit per test64 megabytesinputstandard inputoutputstandard outputYakko, Wakko and Dot, world-famous animaniacs, decided to rest from acting in cartoons, a