Chef and the Cricket Tournament

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April is so popular for Cricket league. Our Chef also wants to organise a cricket tournament in CodeLand. There are N teams taking part in the tournament. Now Chef has to prepare the schedule for the tournament. For that he needs to know what will be the number of matches in the tournament(excluding finals and semifinals). Not considering the semi-finals and final matches, each team plays with eve

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solution.cppC++17

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