Maximum sum

input/code.cpp: In function 'int main()':
input/code.cpp:17:21: warning: '*nums[0]' is used uninitialized [-Wuninitialized]
   17 |     int ans = nums[0];
      |               ~~~~~~^

#include <iostream>

using namespace std;

int sum(int arr[], int start, int end) {
    int total = 0;
    for (int i=start; i<=end; i++) {
        total += arr[i];
    }
    return total;
}
int main() {
    int n;
    cin >> n;

    int nums[n];
    int ans = nums[0];

    int curr = 0;

    for (int i=0; i<n; i++) {
        curr = max(nums[i], curr+nums[i]);
        ans = max(ans, curr);
    }
    cout << ans << endl;
    return 0;
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER

Test 11

Verdict: WRONG ANSWER

Test 12

Verdict: WRONG ANSWER

Test 13

Verdict: WRONG ANSWER

Test 14

Verdict: WRONG ANSWER

Test 15

Verdict: WRONG ANSWER