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D. Coins and Queriestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarp has nn coins, the value of the ii-th coin is aiai. It is guaranteed t...

Rooter's Song Wherever the destination is, whoever we meet, let's render this song together.On a Cartesian coordinate plane lies a rectangular stage of size w × h, represented by a rectangle with ...

Lorenzo Von MatterhornBarney lives in NYC. NYC has infinite number of intersections numbered with positive integers starting from 1. There exists a bidirectional road between intersections i and 2i ...

D. Tree ConstructionDuring the programming classes Vasya was assigned a difficult problem. However, he doesn't know how to code and was unable to find the solution in the Internet, so he asks you to...

A. Levko and Array RecoveryLevko loves array a1, a2, ... , an, consisting of integers, very much. That is why Levko is playing with array a, performing all sorts of operations with it. Each operatio...

C. Balls and Boxestime limit per test：1 second memory limit per test：256 megabytesLittle Vasya had n boxes with balls in the room. The boxes stood in a row and were numbered with numbers from 1 to...

D. Black and White TreeThe board has got a painted tree graph, consisting of n nodes. Let us remind you that a non-directed graph is called a tree if it is connected and doesn't contain any cycles....

B. Maxim and RestaurantMaxim has opened his own restaurant! The restaurant has got a huge table, the table's length is p meters.Maxim has got a dinner party tonight, n guests will come to him. Let...

A. Maxim and Discounts Maxim always goes to the supermarket on Sundays. Today the supermarket has a special offer of discount systems.There are m types of discounts. We assume that the discounts...

E. Military Problemtime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn this problem you will have to help Berland army with organ...

D. Polycarp and Div 3time limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputPolycarp likes numbers that are divisible by 3.He has a huge number ss. Polyc...

A. Many Equal SubstringsYou are given a string tt consisting of nn lowercase Latin letters and an integer number kk.Let's define a substring of some string ss with indices from ll to rr as s[l…r]s...