Non-Fibonacci Number

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Problem description. Birju(the hacker) is the teacher of hacking class and was supposed to take an extra lecture of 5th sem IT. Birju had already taken 2 lectures that day so he was very tired. He could not give free lecture to students because they were very much talkative. So he decided to give the students a task. Each student had to ask a good programming question to the rest of the class and

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solution.cppC++17

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