Maximum sum

#include <iostream>
#include <vector>
#include <climits>

using namespace std;

int main() {
    int n;
    if (!(cin >> n)) return 0;

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

    int max_sum = INT_MIN;

    for (int i = 0; i < n; i++) {
        int current_sum = 0;
        for (int j = i; j < n; j++) {
            current_sum += arr[j];
            if (current_sum > max_sum) {
                max_sum = current_sum;
            }
        }
    }

    cout << max_sum << endl;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

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: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED