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题目： With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best teams doing battles for the World Cup trophy in South Africa. Similarly, football betting fans were putting their m

题目： Given a pair of positive integers, for example, 6 and 110, can this equation 6 = 110 be true? The answer isyes, if 6 is a decimal number and 110 is a binary number. Now for any pair of positive integersN1​andN2​, your task is to find the radix of...

题目： This time, you are supposed to findA×BwhereAandBare two polynomials. Input Specification: Each input file contains one test case. Each case occupies 2 lines, and each line contains the information of a polynomial: KN1​aN1​​N2​aN2​​...NK...

题目： The highest building in our city has only one elevator. A request list is made up withNpositive numbers. The numbers denote at which floors the elevator will stop, in specified order. It costs 6 seconds to move the elevator up one floor, and 4 secon..

题目： Given a sequence ofKintegers {N1​,N2​, ...,NK​}. A continuous subsequence is defined to be {Ni​,Ni+1​, ...,Nj​} where1≤i≤j≤K. The Maximum Subsequence is the continuous subsequence which has the largest sum of its elements. For example, give...

题目： At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the door. Given the records of signing in's and out's, you are supposed to find the ones who have unlocked an

题目： Given a non-negative integer N, your task is to compute the sum of all the digits of N, and output every digit of the sum in English. Input Specification: Each input file contains one test case. Each case occupies one line which contains an N (≤10^1

题目： A family hierarchy is usually presented by a pedigree tree. Your job is to count those family members who have no child. Input Specification: Each input file contains one test case. Each case starts with a line containing0<N<100, the number o.

题目： As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are m

题目： This time, you are supposed to findA+BwhereAandBare two polynomials. Input Specification: Each input file contains one test case. Each case occupies 2 lines, and each line contains the information of a polynomial: KN1​aN1​​N2​aN2​​...NK...

题目： Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less than four digits). Input Specification: Each input file contains one test case. Each case contains a p