Maximum sum

#include <cstdio>
#include <iostream>
#include <vector>

using namespace std;

int main(int argc, char *argv[])
{
	long n;
	std::cin >> n;

	vector<long> numbers(n);
	for (long i = 0; i < n; i++) {
		cin >> numbers[i];
	}

	long result = 0;
	for (long i = 0; i < n; i++) {
		long mid_sum = 0;
		for (long j = 0; j < n; j++) {
			mid_sum = mid_sum + numbers[j];
			result = max(result, mid_sum);
		}
	}
	std::cout << result << "\n";
	return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: ACCEPTED

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: TIME LIMIT EXCEEDED

Test 7

Verdict: TIME LIMIT EXCEEDED

Test 8

Verdict: TIME LIMIT EXCEEDED

Test 9

Verdict: TIME LIMIT EXCEEDED

Test 10

Verdict: TIME LIMIT EXCEEDED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: WRONG ANSWER

Test 13

Verdict: WRONG ANSWER

Test 14

Verdict: WRONG ANSWER

Test 15

Verdict: WRONG ANSWER