Problem Description In this problem you need to make a multiply table of N * N ,just like the sample out. The element in the ith row and jth column should be ...

Problem Description Consecutive sum come again. Are you ready? Go ~~ 1 = 0 + 1 2+3+4 = 1 + 8

Problem Description Tomorrow is contest day, Are you all ready? We have been training for 45 day

Problem Description Goldbach’s Conjecture: For any even number n greater than or equal to 4, there exists at least one pair of prime numbers p1 and p2 such th...

Problem Description Given a positive integer n, find the positions of all 1’s in its binary representation. The position of the least significant bit is 0.

Problem Description Given a positive integer n and the odd integer o and the nonnegative integer p such that n = o2^p.

Problem Description From the article Number Theory in the 1994 Microsoft Encarta: “If a, b, c are integers such that a = bc, a is called a multiple of b or of...

Problem Description Welcome to 2006’4 computer college programming contest!

Problem Description The digital root of a positive integer is found by summing the digits of the integer. If the resulting value is a single digit then that d...

Problem Description Given a positive integer N, you should output the most right digit of N^N.