220ms ..look i know my code may be very shitty but i dont get the point of this question?? - Range Sum Query - Mutable - LeetCode

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CJavaC++PythonPython3JavaScriptGoRustC#RubyKotlinTypeScriptSwiftScalaPHPTreeBinary Indexed TreeBinary TreeArrayRecursionSegment TreePrefix SumIteratorDesignBit ManipulationBinary SearchDivide and ConquerDynamic Programming