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Data Structures for Coding Interviews in C++

Challenge: Maximum Subarray

Explore how to find the maximum sum subarray within an unsorted array. This lesson guides you through understanding the problem constraints and implementing a solution in C++. You will learn to identify contiguous elements that produce the highest sum, enhancing your array manipulation skills relevant to coding interviews.

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Statement

Given an unsorted array nums, find the sum of the maximum sum subarray. The maximum sum subarray is an array of contiguous elements in nums for which the sum of the elements is maximum.

Constraints:

  • 1≤1 \leq nums.length ≤103\leq 10^3

  • −104≤-10^4 \leq nums[i] ≤104\leq 10^4

Examples

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Try it yourself

Implement your solution in the following coding playground.

C++
usercode > Solution.cpp
#include <iostream>
using namespace std;
int maxSumArr(int nums[], int arrSize) { 
    
    // Replace this placeholder return statement with your code
    return -1;  
}
Maximum Subarray