#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define pb push_back
#define vll vector<ll>
#define pll pair<ll, ll>
typedef long long ll;
const ll inf=1e17;
void solve(){
ll n;
cin>>n;
vll a(2*n);
for(ll i=0;i<n;i++){
cin>>a[i];
a[i+n]=a[i];
}
vll val(2*n, inf);
ll pre=0;
ll siz=n/2;
if(n%2==1) siz++;
for(ll i=0;i<siz;i++){
pre+=a[i];
}
val[0]=pre;
ll p1=0;
ll p2=siz;
for(ll i=1;i<n;i++){
pre-=a[p1];
pre+=a[p2];
p1++;
p2++;
val[i]=pre;
}
vll ans(n, inf);
p1=0;
p2=1;
multiset<ll> st;
st.insert(val[0]);
for(ll i=0;i<2*n;i++){
while(p1<i-siz+1){
st.erase(st.find(val[p1]));
p1++;
}
while(p2<=i){
st.insert(val[p2]);
p2++;
}
ans[i%n]=min(ans[i%n], *st.begin());
}
ll o=0;
for(ll i=0;i<n;i++){
o=max(o, ans[i]);
}
cout<<o<<'\n';
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
452 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
452 KB |
Output is correct |
18 |
Correct |
1 ms |
600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
452 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
452 KB |
Output is correct |
18 |
Correct |
1 ms |
600 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
604 KB |
Output is correct |
23 |
Correct |
2 ms |
600 KB |
Output is correct |
24 |
Correct |
1 ms |
604 KB |
Output is correct |
25 |
Correct |
2 ms |
728 KB |
Output is correct |
26 |
Correct |
2 ms |
564 KB |
Output is correct |
27 |
Correct |
0 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
344 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
2 ms |
852 KB |
Output is correct |
31 |
Correct |
2 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
2 ms |
600 KB |
Output is correct |
4 |
Correct |
32 ms |
5720 KB |
Output is correct |
5 |
Correct |
103 ms |
13740 KB |
Output is correct |
6 |
Correct |
119 ms |
16988 KB |
Output is correct |
7 |
Correct |
136 ms |
20560 KB |
Output is correct |
8 |
Correct |
272 ms |
33880 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
452 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
344 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
344 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
452 KB |
Output is correct |
18 |
Correct |
1 ms |
600 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
604 KB |
Output is correct |
23 |
Correct |
2 ms |
600 KB |
Output is correct |
24 |
Correct |
1 ms |
604 KB |
Output is correct |
25 |
Correct |
2 ms |
728 KB |
Output is correct |
26 |
Correct |
2 ms |
564 KB |
Output is correct |
27 |
Correct |
0 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
344 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
2 ms |
852 KB |
Output is correct |
31 |
Correct |
2 ms |
604 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
344 KB |
Output is correct |
34 |
Correct |
2 ms |
600 KB |
Output is correct |
35 |
Correct |
32 ms |
5720 KB |
Output is correct |
36 |
Correct |
103 ms |
13740 KB |
Output is correct |
37 |
Correct |
119 ms |
16988 KB |
Output is correct |
38 |
Correct |
136 ms |
20560 KB |
Output is correct |
39 |
Correct |
272 ms |
33880 KB |
Output is correct |
40 |
Correct |
4 ms |
1116 KB |
Output is correct |
41 |
Correct |
9 ms |
1800 KB |
Output is correct |
42 |
Correct |
11 ms |
2396 KB |
Output is correct |
43 |
Correct |
94 ms |
13644 KB |
Output is correct |
44 |
Correct |
254 ms |
33876 KB |
Output is correct |
45 |
Correct |
47 ms |
7004 KB |
Output is correct |
46 |
Correct |
147 ms |
20556 KB |
Output is correct |
47 |
Correct |
263 ms |
33944 KB |
Output is correct |
48 |
Correct |
226 ms |
34120 KB |
Output is correct |
49 |
Correct |
221 ms |
33340 KB |
Output is correct |
50 |
Correct |
224 ms |
33348 KB |
Output is correct |