Weird Competition

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Chef is attending a chess competition. There are n people take part in. Each pair of people compete once. Winner earns 1 point, loser earns 0 point. A game never ends with a draw. After all games are over, Organizer decide to award prize to each participant. The prize of each participant is the square of his points. What is all possible total money the organizer will pay for all participants? Give

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solution.cppC++17

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