답안 #311286

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
311286	2020-10-09T20:55:10 Z	sofapuden	Hacker (BOI15_hac)	C++14	100 / 100	617 ms	17640 KB

hac

#include <bits/stdc++.h>

using namespace std;

int main(){
    int n; cin >> n;
    vector<int> v(n), msa;
    for(auto &x : v)cin >> x;
    int cur = 0;
    for(int i = 0; i < (n+1)/2; ++i){
        cur+=v[i];
    }
    msa.push_back(cur);
    for(int i = 0; i < n-1; ++i){
        cur-=v[i];
        cur+=v[(i+((n+1)/2))%n];
        msa.push_back(cur);
    }
    map<int,int> S;
    for(int i = 0; i < (n+1)/2; ++i){
        S[msa[i]]++;
    }
    int ans = S.begin()->first;
    for(int i = 0; i < n-1; ++i){
        S[msa[i]]--;
        if(!S[msa[i]])S.erase(msa[i]);
        S[msa[(i+((n+1)/2))%n]]++;
        ans = max(ans,S.begin()->first);
    }
    cout << ans << "\n";
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	256 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	256 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	5 ms	512 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	5 ms	512 KB	Output is correct
26	Correct	5 ms	512 KB	Output is correct
27	Correct	0 ms	256 KB	Output is correct
28	Correct	1 ms	256 KB	Output is correct
29	Correct	0 ms	256 KB	Output is correct
30	Correct	4 ms	512 KB	Output is correct
31	Correct	4 ms	512 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	5 ms	512 KB	Output is correct
4	Correct	83 ms	2932 KB	Output is correct
5	Correct	214 ms	5100 KB	Output is correct
6	Correct	289 ms	7276 KB	Output is correct
7	Correct	344 ms	8748 KB	Output is correct
8	Correct	617 ms	13184 KB	Output is correct

Subtask #4

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	256 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	0 ms	256 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	0 ms	256 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	3 ms	384 KB	Output is correct
23	Correct	5 ms	512 KB	Output is correct
24	Correct	3 ms	384 KB	Output is correct
25	Correct	5 ms	512 KB	Output is correct
26	Correct	5 ms	512 KB	Output is correct
27	Correct	0 ms	256 KB	Output is correct
28	Correct	1 ms	256 KB	Output is correct
29	Correct	0 ms	256 KB	Output is correct
30	Correct	4 ms	512 KB	Output is correct
31	Correct	4 ms	512 KB	Output is correct
32	Correct	1 ms	256 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	5 ms	512 KB	Output is correct
35	Correct	83 ms	2932 KB	Output is correct
36	Correct	214 ms	5100 KB	Output is correct
37	Correct	289 ms	7276 KB	Output is correct
38	Correct	344 ms	8748 KB	Output is correct
39	Correct	617 ms	13184 KB	Output is correct
40	Correct	11 ms	640 KB	Output is correct
41	Correct	20 ms	896 KB	Output is correct
42	Correct	31 ms	1312 KB	Output is correct
43	Correct	225 ms	6636 KB	Output is correct
44	Correct	592 ms	15976 KB	Output is correct
45	Correct	80 ms	2544 KB	Output is correct
46	Correct	340 ms	10088 KB	Output is correct
47	Correct	615 ms	15096 KB	Output is correct
48	Correct	254 ms	7020 KB	Output is correct
49	Correct	433 ms	17640 KB	Output is correct
50	Correct	438 ms	17536 KB	Output is correct