Maximum sum

#include <bits/stdc++.h>
using namespace std;

int main() {
    int n;
    cin >> n;
    vector<int> v;
    for (int i = 0; i < n; i++) {
        int t;
        cin >> t;
        v.push_back(t);
    }

    long max = 0;
    for (int i = 0; i < n; i++) {
        int j = 0;
        int k = i;
        for (; k < n; j++, k++) {
            long sum = 0;
            for (int p = j; p <= k; p++) {
                sum += v[p];
            }
            if (sum > max) max = sum;
        }
    }

    cout << max;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: WRONG ANSWER

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: WRONG ANSWER

Test 13

Verdict: WRONG ANSWER

Test 14

Verdict: WRONG ANSWER

Test 15

Verdict: WRONG ANSWER