Submission #1270635

#	Time	Username	Problem	Language	Result	Execution time	Memory
1270635		bjp123	Hacker (BOI15_hac)	C++20	0 / 100	0 ms	328 KiB

hac

#include <bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pb push_back
#define ii pair<ll, ll>
#define all(a) a.begin(), a.end()
#define iii pair<ll,ii>
using namespace std;


const ll N =5e5+5;
const ll mod = 998244353;
const ll inf=1e18;

ll n,i,j,m,q,k,t,x,y;
ll a[N];
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
cin>>n;
a[0]=0;

for(i=1;i<=n;i++)
{
    cin>>a[i];
    a[i]+=a[i-1];
}
ll res=-inf;
for(i=1;i<=n;i++)
    res=max(res,min(a[i],a[n]-a[i-1]));
cout<<res;
return 0;
}
/*

*/

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 40