Poker Chips

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Chefu and his friend Sand are bored because their cell phones are dead. To overcome the boredom, Sand devised a game with some numbered poker chips. Sand initially makes a tower of $N$ chips (a1 ,a2 ,a3 ....aN where aN is on the top) known to Chefu. After that Sand gives Q queries which arre of two types. - 1 L s1 s2 ...sL Put L chips numbered s1- sL to the tower(sL at the top) - 2 R Remove R

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solution.cppC++17

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