261. Discrete Roots time limit per test: 1 sec. memory limit per test: 65536 KB input: standard output: standard There are a lot of mysteries and legends around computer science. One of the stories tells us about three Russian hackers who know the secret of breaking down widely used cryptographic algorithm. The fact itself threatens security of economics of many countries. Until recent time nobody knew anything about these hackers but now federal security bureau knows their names (Roman, Sergey and Andrew) and they also know that their hack method somehow uses discrete roots finding algorithm. And of course nobody knows this algorithm. We suggest you to try to solve much simpler task. Given two prime numbers P and K (2 <= P <= 10^9, 2 <= K <= 100000) and integer number A (0 <= A < P) you are to find all the roots of the equation x^K = A mod P. Input Integer numbers P, K, A. Output The first line of output should contain number of roots of the eq

sgu261.cpp

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