原创 A Mathematical Curiosity
Problem Description Given two integers n and m, count the number of pairs of integers (a,b) such that 0 < a < b < n
原创 A+B for Input-Output Practice (V)
Problem Description Your task is to calculate the sum of some integers. Input Input contains an integer N in the fi
原创 Big Number
Problem Description In many applications very large integers numbers are required. Some of these applications are u