답안 #676498

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
676498	2022-12-31T03:48:37 Z	penguin133	Hacker (BOI15_hac)	C++17	100 / 100	59 ms	20404 KB

hac

#include <bits/stdc++.h>
using namespace std;
#define int long long
int dp[1000005], B[1000005], P[1000005], S[500005];
deque<int>dq;
main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int n;cin >> n;
	for(int i=1;i<=n;i++)cin >> B[i];
	for(int i=n+1;i<=n*2;i++)B[i] = B[i-n];
	for(int i=1;i<=2*n;i++)P[i] = P[i-1] + B[i];
	int x = n / 2;
	for(int i=1;i<=n-x;i++){
		while(!dq.empty() && P[dq.back() + x-1] - P[dq.back()-1] < P[i+x-1] - P[i-1])dq.pop_back();
		dq.push_back(i);
	}
	int maxi = 1e9;
	for(int i=1;i<=n;i++){
		while(!dq.empty() && P[dq.back() + x-1] - P[dq.back()-1] < P[n+i-1] - P[n+i-x-1])dq.pop_back();
		if(!dq.empty() && dq.front() == i)dq.pop_front();
		dq.push_back(n+i-x);
		maxi = min(maxi, P[dq[0] + x - 1] - P[dq[0] - 1]);
	}
	cout << P[n] - maxi;
}

Compilation message

hac.cpp:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 | main(){
      | ^~~~

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	328 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 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	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	324 KB	Output is correct
18	Correct	1 ms	324 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	328 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 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	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	324 KB	Output is correct
18	Correct	1 ms	324 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	328 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	460 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	468 KB	Output is correct
26	Correct	1 ms	468 KB	Output is correct
27	Correct	0 ms	332 KB	Output is correct
28	Correct	1 ms	328 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	468 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	328 KB	Output is correct
3	Correct	1 ms	468 KB	Output is correct
4	Correct	9 ms	3156 KB	Output is correct
5	Correct	22 ms	7328 KB	Output is correct
6	Correct	26 ms	9164 KB	Output is correct
7	Correct	31 ms	11044 KB	Output is correct
8	Correct	52 ms	18168 KB	Output is correct

Subtask #4

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	328 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 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	340 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	1 ms	324 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	324 KB	Output is correct
18	Correct	1 ms	324 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	328 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	460 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	468 KB	Output is correct
26	Correct	1 ms	468 KB	Output is correct
27	Correct	0 ms	332 KB	Output is correct
28	Correct	1 ms	328 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	468 KB	Output is correct
31	Correct	1 ms	468 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	328 KB	Output is correct
34	Correct	1 ms	468 KB	Output is correct
35	Correct	9 ms	3156 KB	Output is correct
36	Correct	22 ms	7328 KB	Output is correct
37	Correct	26 ms	9164 KB	Output is correct
38	Correct	31 ms	11044 KB	Output is correct
39	Correct	52 ms	18168 KB	Output is correct
40	Correct	1 ms	596 KB	Output is correct
41	Correct	2 ms	980 KB	Output is correct
42	Correct	4 ms	1364 KB	Output is correct
43	Correct	27 ms	7480 KB	Output is correct
44	Correct	59 ms	18188 KB	Output is correct
45	Correct	11 ms	3812 KB	Output is correct
46	Correct	33 ms	10952 KB	Output is correct
47	Correct	55 ms	18076 KB	Output is correct
48	Correct	46 ms	20404 KB	Output is correct
49	Correct	45 ms	19532 KB	Output is correct
50	Correct	40 ms	19580 KB	Output is correct