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STRINGS AND WEIGHTS

$Chef$ has been assigned with a task. Given are $N$ $binary$ strings $S_i$ $(1 <= i <= N)$ and their weights $W_i$ $(1 <= i <= N)$. Chef has to answer $Q$ queries, each query contains a string $R$. For each query chef needs to find sum of weights $W_i$ $(1 <= i <= N)$ of all the strings whose $prefix$ matches with the string $R$. Chef being busy in playing PUB-G, has asked you for help. Help hi

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solution.cppC++17

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