Passcode
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Ananya has a problem with remembering passcodes. so, Justin comes up with an idea for a secure passcode which she can easily remember. Justin suggests to use the idea of factorials that he just learnt in comp class. He asks her to pick her favourite number and finds its factorial and uses it as her passcode. Ananya being the forgetful person that she is, forgets her favourite number. She calls Jus
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solution.cppC++17
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