WEBSITE RETURNED, HOWEVER SUBMIT QUANTITY IS RESTRICTED PER DAY TO VERY LITTLE (UNDER JUDGE0 NEW POLICY, API PROVIDER). Therefore it is very much for you to pay attention TEST CAREFULLY CODE BEFORE SUBMIT.
Threads: Write a program that counts the n th Fibonacci sequence known sequence f(n) = f(n-1) + f(n-2), n > 2 and f(1) = 1, f(2) = 1. Input: A positive integer n single (0 < n <= 50). Output: A single integer f(n).