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Questions about problems that can be solved by combining recursively obtained solutions of subproblems.

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Find Number of subsequences such that bitwise OR is same as sum

Suppose there is an array having at most 10 elements between 1 to 10^18. Suppose the array has elements B1,B2,.Bn. We can choose sequence A1,A2,A3,..An such that 0<=Ai<=Bi. Count How many sequences sa …
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