답안 #70470 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
70470	2018-08-23T02:29:01 Z	Diuven	도넛 (JOI14_ho_t3)	C++14	100 / 100	205 ms	14096 KB

2014_ho_t3

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int MX=100010, inf=2e9;

int n, A[2*MX];
ll ans=0;
ll S[2*MX];

ll solve(int t){
    int s=0, e=n;
    while(s<e){
        int m=(s+e+1)/2;
        int ss=m, ee=n;
        while(ss<ee){
            int mm=(ss+ee)/2;
            if(S[t+mm]-S[t+m]>=S[t+m]-S[t]) ee=mm;
            else ss=mm+1;
        }
        if(S[t+ss]-S[t+m]>=S[t+m]-S[t] && S[t+n]-S[t+ss]>=S[t+m]-S[t]) s=m;
        else e=m-1;
    }
    return S[t+s]-S[t];
}

int main(){
    ios::sync_with_stdio(0); cin.tie(0);
    cin>>n;
    for(int i=1; i<=n; i++) cin>>A[i];
    for(int i=1; i<=n; i++) A[i+n]=A[i];
    for(int i=1; i<=2*n; i++) S[i]=S[i-1]+A[i];
    for(int i=1; i<=n; i++){
        ans=max(ans, solve(i-1));
    }
    cout<<ans;
    return 0;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	440 KB	Output is correct
3	Correct	3 ms	472 KB	Output is correct
4	Correct	2 ms	572 KB	Output is correct
5	Correct	3 ms	572 KB	Output is correct
6	Correct	3 ms	572 KB	Output is correct
7	Correct	3 ms	572 KB	Output is correct
8	Correct	3 ms	704 KB	Output is correct
9	Correct	2 ms	704 KB	Output is correct
10	Correct	2 ms	704 KB	Output is correct

Subtask #2
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	440 KB	Output is correct
3	Correct	3 ms	472 KB	Output is correct
4	Correct	2 ms	572 KB	Output is correct
5	Correct	3 ms	572 KB	Output is correct
6	Correct	3 ms	572 KB	Output is correct
7	Correct	3 ms	572 KB	Output is correct
8	Correct	3 ms	704 KB	Output is correct
9	Correct	2 ms	704 KB	Output is correct
10	Correct	2 ms	704 KB	Output is correct
11	Correct	4 ms	824 KB	Output is correct
12	Correct	3 ms	824 KB	Output is correct
13	Correct	3 ms	832 KB	Output is correct
14	Correct	2 ms	832 KB	Output is correct
15	Correct	3 ms	844 KB	Output is correct
16	Correct	2 ms	844 KB	Output is correct
17	Correct	3 ms	844 KB	Output is correct
18	Correct	3 ms	844 KB	Output is correct
19	Correct	3 ms	844 KB	Output is correct
20	Correct	3 ms	972 KB	Output is correct

Subtask #3
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	440 KB	Output is correct
3	Correct	3 ms	472 KB	Output is correct
4	Correct	2 ms	572 KB	Output is correct
5	Correct	3 ms	572 KB	Output is correct
6	Correct	3 ms	572 KB	Output is correct
7	Correct	3 ms	572 KB	Output is correct
8	Correct	3 ms	704 KB	Output is correct
9	Correct	2 ms	704 KB	Output is correct
10	Correct	2 ms	704 KB	Output is correct
11	Correct	4 ms	824 KB	Output is correct
12	Correct	3 ms	824 KB	Output is correct
13	Correct	3 ms	832 KB	Output is correct
14	Correct	2 ms	832 KB	Output is correct
15	Correct	3 ms	844 KB	Output is correct
16	Correct	2 ms	844 KB	Output is correct
17	Correct	3 ms	844 KB	Output is correct
18	Correct	3 ms	844 KB	Output is correct
19	Correct	3 ms	844 KB	Output is correct
20	Correct	3 ms	972 KB	Output is correct
21	Correct	12 ms	1124 KB	Output is correct
22	Correct	12 ms	1124 KB	Output is correct
23	Correct	11 ms	1124 KB	Output is correct
24	Correct	12 ms	1132 KB	Output is correct
25	Correct	17 ms	1300 KB	Output is correct
26	Correct	12 ms	1356 KB	Output is correct
27	Correct	11 ms	1484 KB	Output is correct
28	Correct	12 ms	1532 KB	Output is correct
29	Correct	17 ms	1612 KB	Output is correct
30	Correct	15 ms	1692 KB	Output is correct
31	Correct	10 ms	1692 KB	Output is correct
32	Correct	14 ms	1692 KB	Output is correct
33	Correct	12 ms	1692 KB	Output is correct
34	Correct	11 ms	1712 KB	Output is correct
35	Correct	10 ms	1724 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	3 ms	440 KB	Output is correct
3	Correct	3 ms	472 KB	Output is correct
4	Correct	2 ms	572 KB	Output is correct
5	Correct	3 ms	572 KB	Output is correct
6	Correct	3 ms	572 KB	Output is correct
7	Correct	3 ms	572 KB	Output is correct
8	Correct	3 ms	704 KB	Output is correct
9	Correct	2 ms	704 KB	Output is correct
10	Correct	2 ms	704 KB	Output is correct
11	Correct	4 ms	824 KB	Output is correct
12	Correct	3 ms	824 KB	Output is correct
13	Correct	3 ms	832 KB	Output is correct
14	Correct	2 ms	832 KB	Output is correct
15	Correct	3 ms	844 KB	Output is correct
16	Correct	2 ms	844 KB	Output is correct
17	Correct	3 ms	844 KB	Output is correct
18	Correct	3 ms	844 KB	Output is correct
19	Correct	3 ms	844 KB	Output is correct
20	Correct	3 ms	972 KB	Output is correct
21	Correct	12 ms	1124 KB	Output is correct
22	Correct	12 ms	1124 KB	Output is correct
23	Correct	11 ms	1124 KB	Output is correct
24	Correct	12 ms	1132 KB	Output is correct
25	Correct	17 ms	1300 KB	Output is correct
26	Correct	12 ms	1356 KB	Output is correct
27	Correct	11 ms	1484 KB	Output is correct
28	Correct	12 ms	1532 KB	Output is correct
29	Correct	17 ms	1612 KB	Output is correct
30	Correct	15 ms	1692 KB	Output is correct
31	Correct	10 ms	1692 KB	Output is correct
32	Correct	14 ms	1692 KB	Output is correct
33	Correct	12 ms	1692 KB	Output is correct
34	Correct	11 ms	1712 KB	Output is correct
35	Correct	10 ms	1724 KB	Output is correct
36	Correct	168 ms	4940 KB	Output is correct
37	Correct	180 ms	5896 KB	Output is correct
38	Correct	178 ms	6860 KB	Output is correct
39	Correct	173 ms	7912 KB	Output is correct
40	Correct	189 ms	8816 KB	Output is correct
41	Correct	188 ms	9632 KB	Output is correct
42	Correct	186 ms	10716 KB	Output is correct
43	Correct	190 ms	11560 KB	Output is correct
44	Correct	205 ms	12656 KB	Output is correct
45	Correct	177 ms	13540 KB	Output is correct
46	Correct	150 ms	13700 KB	Output is correct
47	Correct	168 ms	14024 KB	Output is correct
48	Correct	141 ms	14096 KB	Output is correct

답안 #70470

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 15.0 / 15.0

Subtask #3 30.0 / 30.0

Subtask #4 50.0 / 50.0

Subtask #1
5.0 / 5.0

Subtask #2
15.0 / 15.0

Subtask #3
30.0 / 30.0

Subtask #4
50.0 / 50.0