Panik and his case

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Panik has the secret document containing the evil plans of TDS the evil ruler for his city. TDS has a device which emits beta rays and on coming in direct contact with these rays, you die. As the machine is a prototype he can only use it once for some duration, but guess what TDS has N such machines. So TDS plans to use his various machines during $[ X, Y ]$ interval each machine only once. Panik

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solution.cppC++17

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