Little Party

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A little party never killed nobody... After listening to this song many times Leha has decided to get together with his friends and have some fun again. But things are not as simple as you might think. Leha has N friends and he already had M parties with them and for some reason all these events were not good. He guesses that sometimes guys can't get across with each other. All his friends respe

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solution.cppC++17

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