Missing Coin Sum Queries

CSESRange QueriesOpen on judge ↗

You have n coins with positive integer values. The coins are numbered 1,2,\dots,n. Your task is to process q queries of the form: "if you can use coins a \dots b, what is the smallest sum you cannot produce?" Input The first input line has two integers n and q: the number of coins and queries. The second line has n integers x_1,x_2,\dots,x_n: the value of each coin. Finally, there are q lines

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solution.cppC++17

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