// In the name of God
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
typedef long long ll;
const int N = 1e6 + 5;
int n, v[N], s[N];
void solve() {
cin >> n;
for (int i = 0; i < n; i++) {
cin >> v[i];
v[i + n] = v[i];
}
int ans = 0;
multiset<int> st;
for (int i = 0; i < (n + 1) / 2; i++)
s[(n + 1) / 2 - 1] += v[i];
for (int i = (n + 1) / 2; i < 2 * n; i++) {
s[i] = s[i - 1] - v[i - (n + 1) / 2] + v[i];
}
for (int i = (n + 1) / 2 - 1; i <= 2 * ((n + 1) / 2 - 1); i++) {
st.insert(s[i]);
}
ans = *st.begin();
for (int i = (n + 1) / 2; i + (n + 1) / 2 - 1 < 2 * n; i++) {
st.erase(st.find(s[i - 1]));
st.insert(s[i + (n + 1) / 2 - 1]);
ans = max(ans, *st.begin());
}
cout << ans << '\n';
}
int32_t main() {
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
328 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
0 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
328 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
0 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
0 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
328 KB |
Output is correct |
22 |
Correct |
1 ms |
468 KB |
Output is correct |
23 |
Correct |
2 ms |
556 KB |
Output is correct |
24 |
Correct |
1 ms |
468 KB |
Output is correct |
25 |
Correct |
2 ms |
468 KB |
Output is correct |
26 |
Correct |
2 ms |
508 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
320 KB |
Output is correct |
30 |
Correct |
2 ms |
468 KB |
Output is correct |
31 |
Correct |
2 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
2 ms |
468 KB |
Output is correct |
4 |
Correct |
28 ms |
3656 KB |
Output is correct |
5 |
Correct |
83 ms |
8488 KB |
Output is correct |
6 |
Correct |
121 ms |
10716 KB |
Output is correct |
7 |
Correct |
128 ms |
12748 KB |
Output is correct |
8 |
Correct |
316 ms |
21072 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
328 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
328 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
324 KB |
Output is correct |
15 |
Correct |
0 ms |
320 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
328 KB |
Output is correct |
18 |
Correct |
0 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
328 KB |
Output is correct |
22 |
Correct |
1 ms |
468 KB |
Output is correct |
23 |
Correct |
2 ms |
556 KB |
Output is correct |
24 |
Correct |
1 ms |
468 KB |
Output is correct |
25 |
Correct |
2 ms |
468 KB |
Output is correct |
26 |
Correct |
2 ms |
508 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
320 KB |
Output is correct |
30 |
Correct |
2 ms |
468 KB |
Output is correct |
31 |
Correct |
2 ms |
468 KB |
Output is correct |
32 |
Correct |
0 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
2 ms |
468 KB |
Output is correct |
35 |
Correct |
28 ms |
3656 KB |
Output is correct |
36 |
Correct |
83 ms |
8488 KB |
Output is correct |
37 |
Correct |
121 ms |
10716 KB |
Output is correct |
38 |
Correct |
128 ms |
12748 KB |
Output is correct |
39 |
Correct |
316 ms |
21072 KB |
Output is correct |
40 |
Correct |
4 ms |
724 KB |
Output is correct |
41 |
Correct |
7 ms |
1104 KB |
Output is correct |
42 |
Correct |
11 ms |
1568 KB |
Output is correct |
43 |
Correct |
84 ms |
8624 KB |
Output is correct |
44 |
Correct |
258 ms |
21076 KB |
Output is correct |
45 |
Correct |
39 ms |
4396 KB |
Output is correct |
46 |
Correct |
126 ms |
12664 KB |
Output is correct |
47 |
Correct |
276 ms |
21072 KB |
Output is correct |
48 |
Correct |
224 ms |
21456 KB |
Output is correct |
49 |
Correct |
200 ms |
20540 KB |
Output is correct |
50 |
Correct |
200 ms |
20412 KB |
Output is correct |