Envío 5514

Código

#include <bits/stdc++.h>
#define REP(i,n) for(int i=0; i<n;i++)
#define pb push_back
#define ff first
#define ss second
#define ii pair<int,int>
#define vi vector<int>
#define vii vector<ii>
#define lli long long int
#define fast_io ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
ostream& operator<<(ostream& os, const vector<int> &v){
    for(auto const &i: v){
        os<<i<<" ";
    }
    os<<endl;
    return os;
}
const lli mod=(1e9)+7;
const int N = 1e4+1;
int main(){
    fast_io;
    int n;cin>>n;
    lli nums[n];
    REP(i,n)cin>>nums[i];
    lli mx = 0;
    lli ans = -1e9;
    REP(i,n){
        mx += nums[i];
        ans = max(mx,ans);
        if(mx<0) mx = 0;
    }
    cout<<ans<<endl;
    return 0;
}