10-20-30 A simple solitaire card game called 10-20-30 uses a standard deck of 52playing cards in which suit is irrelevant. The value of a face card (king,queen, jack) is 10. The value of a

BenefitRecently Yaghoub is playing a new trick to sell some more. When somebody gives him A Tomans, he who never has appropriate changes, asks for B Tomans such that lowest common multiple of 

Problem D: GCD LCMInput: standard inputOutput: standard output The GCD of two positive integers is the largest integer that divides both the integers without any re

Problem A: How do you add?Larry is very bad at math - he usually uses a calculator, which worked well throughout college. Unforunately, he is now struck in a deserted island with his good buddy Ry

Play with Floor and CeilInput: standard inputOutput: standard outputTime Limit: 1 second TheoremFor any two integers x and k there exists two more integers p and q such that:It’s a f

Knights of the Round TableTime Limit: 7000MS Memory Limit: 65536KTotal Submissions: 9663 Accepted: 3129DescriptionBeing a knight is a very attractive career: search

Following Orders点击打开题目链接Time Limit: 1000MS Memory Limit: 10000KTotal Submissions: 3756 Accepted: 1483DescriptionOrder is an important concept in mathematics and

Problem B: War点击打开题目链接      A war is beinglead between two countries, A and B. As a loyal citizen of C, you decide tohelp your country’s espionage by attending the peace-talks taking place t

Friends There is a town with N citizens. It is known that some pairsof people are friends. According to the famous saying that “The friends of myfriends are my friends, too” it follows that if A a

RailsTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 24568 Accepted: 9628DescriptionThere is a famous railway station in PopPush City. Country there is in

The Dole Queue In a serious attempt to downsize (reduce) the dole queue, The NewNational Green Labour Rhinoceros Party has decided on the followingstrategy. Every day all dole applicants w

Again Prime? No time.Input: standard inputOutput: standard outputTime Limit: 1 secondThe problem statement is very easy. Given a number n you have to determine the largest power of m, not ne