#include <bits/stdc++.h>
using namespace std;
const int N=5e5+100;
#define int long long
signed main()
{
cin.tie(0);
cout.tie(0);
ios::sync_with_stdio(0);
int n;
cin>>n;
vector<int> a,b;
for(int i=0;i<n;i++)
{
int x;
cin>>x;
a.push_back(x);
}
for(auto y:a)
b.push_back(y);
for(auto y:a)
b.push_back(y);
for(auto y:a)
b.push_back(y);
vector<int> pre={0};
for(int i:b)
pre.push_back(pre.back()+i);
int sz=n-(n/2);
int mx=0;
vector<int> sp={0};
for(int i=n+1;i<=(2*n);i++)
sp.push_back(pre[i+sz-1]-pre[i-1]);
for(int i=n+1;i<=(2*n);i++)
sp.push_back(pre[i+sz-1]-pre[i-1]);
set<pair<int,int>> tpp;
for(int j=1;j<=sz;j++)
tpp.insert({sp[j],j});
mx=begin(tpp)->first;
for(int i=sz+1;i<=(2*n);i++)
{
tpp.insert({sp[i],i});
tpp.erase({sp[i-sz],i-sz});
mx=max(mx,begin(tpp)->first);
}
cout<<mx<<endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
600 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 |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
600 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
600 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 |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
600 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
456 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 |
2 ms |
604 KB |
Output is correct |
23 |
Correct |
4 ms |
860 KB |
Output is correct |
24 |
Correct |
2 ms |
600 KB |
Output is correct |
25 |
Correct |
3 ms |
860 KB |
Output is correct |
26 |
Correct |
3 ms |
860 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
2 ms |
860 KB |
Output is correct |
31 |
Correct |
3 ms |
976 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 |
3 ms |
1016 KB |
Output is correct |
4 |
Correct |
46 ms |
8960 KB |
Output is correct |
5 |
Correct |
131 ms |
24064 KB |
Output is correct |
6 |
Correct |
165 ms |
29128 KB |
Output is correct |
7 |
Correct |
194 ms |
34608 KB |
Output is correct |
8 |
Correct |
402 ms |
53148 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
600 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 |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
600 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
456 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 |
2 ms |
604 KB |
Output is correct |
23 |
Correct |
4 ms |
860 KB |
Output is correct |
24 |
Correct |
2 ms |
600 KB |
Output is correct |
25 |
Correct |
3 ms |
860 KB |
Output is correct |
26 |
Correct |
3 ms |
860 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
2 ms |
860 KB |
Output is correct |
31 |
Correct |
3 ms |
976 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
3 ms |
1016 KB |
Output is correct |
35 |
Correct |
46 ms |
8960 KB |
Output is correct |
36 |
Correct |
131 ms |
24064 KB |
Output is correct |
37 |
Correct |
165 ms |
29128 KB |
Output is correct |
38 |
Correct |
194 ms |
34608 KB |
Output is correct |
39 |
Correct |
402 ms |
53148 KB |
Output is correct |
40 |
Correct |
5 ms |
1492 KB |
Output is correct |
41 |
Correct |
11 ms |
2400 KB |
Output is correct |
42 |
Correct |
17 ms |
3544 KB |
Output is correct |
43 |
Correct |
151 ms |
25268 KB |
Output is correct |
44 |
Correct |
367 ms |
54552 KB |
Output is correct |
45 |
Correct |
59 ms |
11848 KB |
Output is correct |
46 |
Correct |
199 ms |
32584 KB |
Output is correct |
47 |
Correct |
406 ms |
54156 KB |
Output is correct |
48 |
Correct |
266 ms |
54532 KB |
Output is correct |
49 |
Correct |
257 ms |
56228 KB |
Output is correct |
50 |
Correct |
258 ms |
55204 KB |
Output is correct |