A Gift From Rick

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It's Morty's birthday today! As his birthday gift, Rick gives him weird gifts every year. This time, he got something really unique from the planet Gazorpazorp. The gift is a box on which are written $N$ numbers, in the form of an array. On the back, there's a 'special number' $K$ printed. Finally on the top, there's a digital lock attached. Rick tells Morty that the box can be opened, only

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L4 Pseudo-code

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L5 Full solution

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solution.cppC++17

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