#include <bits/stdc++.h>
using namespace std;
using ll = long long;
ll N;
ll A[100005];
ll S[100005];
int main(){
cin.tie(0) -> sync_with_stdio(false);
cin >> N;
for(int i = 1; i <= N; i++){
cin >> A[i];
A[i + N] = A[i];
}
for(int i = 1; i <= 2 * N; i++){
S[i] = S[i - 1] + A[i];
}
ll L = 1, R = 1, ans = 0;
while(L <= R && L <= N && R <= 2 * N && R - L + 1 <= N){
ll V = S[R] - S[L - 1];
ll idx = upper_bound(S + R + 1, S + L + N, S[R] + V) - S;
if(S[L + N - 1] - S[idx] >= V){
ans = max(ans, V);
R++;
} else {
L++;
}
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
2 ms |
596 KB |
Output is correct |
22 |
Correct |
2 ms |
536 KB |
Output is correct |
23 |
Correct |
2 ms |
596 KB |
Output is correct |
24 |
Correct |
2 ms |
596 KB |
Output is correct |
25 |
Correct |
2 ms |
596 KB |
Output is correct |
26 |
Correct |
2 ms |
660 KB |
Output is correct |
27 |
Correct |
2 ms |
596 KB |
Output is correct |
28 |
Correct |
2 ms |
596 KB |
Output is correct |
29 |
Correct |
3 ms |
596 KB |
Output is correct |
30 |
Correct |
2 ms |
596 KB |
Output is correct |
31 |
Correct |
2 ms |
596 KB |
Output is correct |
32 |
Correct |
2 ms |
596 KB |
Output is correct |
33 |
Correct |
2 ms |
596 KB |
Output is correct |
34 |
Correct |
2 ms |
596 KB |
Output is correct |
35 |
Correct |
2 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
328 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
2 ms |
596 KB |
Output is correct |
22 |
Correct |
2 ms |
536 KB |
Output is correct |
23 |
Correct |
2 ms |
596 KB |
Output is correct |
24 |
Correct |
2 ms |
596 KB |
Output is correct |
25 |
Correct |
2 ms |
596 KB |
Output is correct |
26 |
Correct |
2 ms |
660 KB |
Output is correct |
27 |
Correct |
2 ms |
596 KB |
Output is correct |
28 |
Correct |
2 ms |
596 KB |
Output is correct |
29 |
Correct |
3 ms |
596 KB |
Output is correct |
30 |
Correct |
2 ms |
596 KB |
Output is correct |
31 |
Correct |
2 ms |
596 KB |
Output is correct |
32 |
Correct |
2 ms |
596 KB |
Output is correct |
33 |
Correct |
2 ms |
596 KB |
Output is correct |
34 |
Correct |
2 ms |
596 KB |
Output is correct |
35 |
Correct |
2 ms |
604 KB |
Output is correct |
36 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 11 |
37 |
Halted |
0 ms |
0 KB |
- |