HSCTF_2017: Ping Pong

Category: Algo Points: 200 Description:

Keith has encountered a wild Ping Pong interpreter on his hike into the woods. The interpreter will only let him complete his hike if you write a program to find fibonacci numbers! Can you help Keith? Your program must read a number n from input and then print out the nth Fibonacci number. For the purposes of this problem, the first, second, and third numbers of the Fibonacci sequence are 1, 1, 2. n will be in [1, 46], so that fib(n) will be < 2^31 - 1. Netcat to


Not much to say other than fuck this challenge.

Python Solution Plaintext Solution

Therefore, the flag is PP_0234FB97AA342D.