Optimizing Array Operations with Prefix Sum Techniques in Java
Prefix sums enable efficient range sum computations by precomputing cumulative values, reducing query time to O(1). This technique is widely used for optimizing array and matrix operations.
import java.util.Scanner;
public class ArraySumOptimizer {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
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Posted on Fri, 07 Aug 2026 16:40:17 +0000 by noeffred