Envío 2221

Código

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main()
{
    int cases, x, num_max = 0;
    cin >> cases;
    vector <int> numbers;
    while ( cases-- ){
        cin >> x;
        numbers.push_back(x);
        num_max = max(num_max, x);
    }

    if(num_max <= 0){
        cout << num_max << endl;
        return 0;
    }

    int sum = numbers[0], sum_max = 0;
    for(int i=1;i<numbers.size(); i++){
        sum = max(sum + numbers[i], numbers[i]);
        num_max = max(num_max, sum);
    }

    cout << num_max << endl;
    return 0;
}