MaximumSumSubarray_Bruteforce02.cpp

#include<cmath>
#include<iostream>
#include<climits>
using namespace std;

int Maximum_Sum_Subarray(int arr[],int n)	//Overall Time Complexity O(n^2)
{
	int ans = INT_MIN;
	for(int start_index = 0;start_index < n; ++start_index)					//O(n)		
	{
		int sum = 0;
		for(int sub_array_size = 1;sub_array_size <= n; ++sub_array_size)	//O(n)	
		{
			if(start_index+sub_array_size > n)	//Subarray exceeds array bounds
				break;
			sum+= arr[start_index + sub_array_size - 1];	//Last element of the new Subarray
			ans = max(ans,sum);
		}
	}
	return ans;
}

int main(int argc, char const *argv[])
{
	int arr[] = {3,-2,5,-1};
	cout<<MSS(arr,4)<<"\n";
	return 0;
}

Why do you have MSS on line 26?

is the function call Maximum_Sum_Subarray