Author: VangThao

Threads: Given a positive integer x. Find pairs of positive integers (a, b) satisfied: UCLN(a, b) + BCNN(a, b) = x. In there: UCLN(a, b) is the greatest common divisor of 2 numbers a and b. BCNN(a, b) is the least common multiple of 2 numbers a and b. Input: Current

Threads: “Throw the dog to death” is a saying often used to refer to phones “brick” once upon a time. Today, We will have a little exercise about these legendary phones. Let n be a string of numbers (contains only characters 0,1,2,3,4,5,6,7,8,9). Based on the picture