답안 #172944

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
172944	2020-01-02T19:07:08 Z	LinusTorvaldsFan	Bootfall (IZhO17_bootfall)	C++14	65 / 100	1000 ms	15736 KB

bootfall

#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
 
using namespace std;
 
const int maxn=501;
const int maxc=501;
const int maxw=maxc*maxn;
bitset<maxn*maxc>available[maxn];
bitset<maxn*maxc>used[maxn];
 
 
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n;
	cin>>n;
	vector<int>a(n);
	int sum=0;
	for(int i=0;i<n;i++) {
		cin>>a[i];
		sum+=a[i];
	}
	for(int i=0;i<=n;i++){
		if(i>0) {
			available[i]=available[i-1];
			available[i]|=available[i]<<a[i-1];
		}
		else available[i][0]=true;
	}
	for(int i=0;i<=n;i++){
		for(int j=i+1;j<n;j++){
			available[i]|=available[i]<<a[j];
		}
	}
	if(sum&1){
		cout<<0;
		return 0;
	}
	if(!available[n][sum>>1]){
		cout<<0;
		return 0;
	}
	
	for(int i=0;i<n;i++){
		if(((sum-a[i]) & 1) != ((sum-a[0])&1)){
			cout<<0;
			return 0;
		}
	}
	
	vector<int>ans;
	for(int x=(sum-a[0])&1;x<=maxw;x+=2){
		bool ok=true;	
		for(int i=0;i<n;i++){
			int nsum=sum-a[i]+x;
			if(!available[i][nsum>>1]){
				ok=false;
				break;
			}
		}
		if(ok){
			ans.push_back(x);
		}
	}
	cout<<ans.size()<<"\n";
	for(auto& x:ans)cout<<x<<" ";
	return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	3 ms	632 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	632 KB	Output is correct
5	Correct	4 ms	760 KB	Output is correct
6	Correct	3 ms	632 KB	Output is correct
7	Correct	3 ms	632 KB	Output is correct
8	Correct	4 ms	760 KB	Output is correct
9	Correct	3 ms	760 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	3 ms	632 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	632 KB	Output is correct
5	Correct	4 ms	760 KB	Output is correct
6	Correct	3 ms	632 KB	Output is correct
7	Correct	3 ms	632 KB	Output is correct
8	Correct	4 ms	760 KB	Output is correct
9	Correct	3 ms	760 KB	Output is correct
10	Correct	8 ms	1400 KB	Output is correct
11	Correct	9 ms	1316 KB	Output is correct
12	Correct	8 ms	1400 KB	Output is correct
13	Correct	7 ms	1272 KB	Output is correct
14	Correct	8 ms	1272 KB	Output is correct
15	Correct	8 ms	1272 KB	Output is correct
16	Correct	9 ms	1272 KB	Output is correct
17	Correct	5 ms	1020 KB	Output is correct
18	Correct	6 ms	1144 KB	Output is correct
19	Correct	7 ms	1272 KB	Output is correct
20	Correct	8 ms	1400 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	3 ms	632 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	632 KB	Output is correct
5	Correct	4 ms	760 KB	Output is correct
6	Correct	3 ms	632 KB	Output is correct
7	Correct	3 ms	632 KB	Output is correct
8	Correct	4 ms	760 KB	Output is correct
9	Correct	3 ms	760 KB	Output is correct
10	Correct	8 ms	1400 KB	Output is correct
11	Correct	9 ms	1316 KB	Output is correct
12	Correct	8 ms	1400 KB	Output is correct
13	Correct	7 ms	1272 KB	Output is correct
14	Correct	8 ms	1272 KB	Output is correct
15	Correct	8 ms	1272 KB	Output is correct
16	Correct	9 ms	1272 KB	Output is correct
17	Correct	5 ms	1020 KB	Output is correct
18	Correct	6 ms	1144 KB	Output is correct
19	Correct	7 ms	1272 KB	Output is correct
20	Correct	8 ms	1400 KB	Output is correct
21	Correct	27 ms	2524 KB	Output is correct
22	Correct	34 ms	2680 KB	Output is correct
23	Correct	18 ms	2016 KB	Output is correct
24	Correct	53 ms	3448 KB	Output is correct
25	Correct	53 ms	3320 KB	Output is correct
26	Correct	59 ms	3580 KB	Output is correct
27	Correct	59 ms	3576 KB	Output is correct
28	Correct	59 ms	3576 KB	Output is correct
29	Correct	61 ms	3576 KB	Output is correct
30	Correct	60 ms	3580 KB	Output is correct
31	Correct	59 ms	3576 KB	Output is correct
32	Correct	61 ms	3556 KB	Output is correct
33	Correct	59 ms	3588 KB	Output is correct
34	Correct	61 ms	3448 KB	Output is correct
35	Correct	58 ms	3548 KB	Output is correct
36	Correct	60 ms	3548 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	3 ms	632 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	632 KB	Output is correct
5	Correct	4 ms	760 KB	Output is correct
6	Correct	3 ms	632 KB	Output is correct
7	Correct	3 ms	632 KB	Output is correct
8	Correct	4 ms	760 KB	Output is correct
9	Correct	3 ms	760 KB	Output is correct
10	Correct	8 ms	1400 KB	Output is correct
11	Correct	9 ms	1316 KB	Output is correct
12	Correct	8 ms	1400 KB	Output is correct
13	Correct	7 ms	1272 KB	Output is correct
14	Correct	8 ms	1272 KB	Output is correct
15	Correct	8 ms	1272 KB	Output is correct
16	Correct	9 ms	1272 KB	Output is correct
17	Correct	5 ms	1020 KB	Output is correct
18	Correct	6 ms	1144 KB	Output is correct
19	Correct	7 ms	1272 KB	Output is correct
20	Correct	8 ms	1400 KB	Output is correct
21	Correct	27 ms	2524 KB	Output is correct
22	Correct	34 ms	2680 KB	Output is correct
23	Correct	18 ms	2016 KB	Output is correct
24	Correct	53 ms	3448 KB	Output is correct
25	Correct	53 ms	3320 KB	Output is correct
26	Correct	59 ms	3580 KB	Output is correct
27	Correct	59 ms	3576 KB	Output is correct
28	Correct	59 ms	3576 KB	Output is correct
29	Correct	61 ms	3576 KB	Output is correct
30	Correct	60 ms	3580 KB	Output is correct
31	Correct	59 ms	3576 KB	Output is correct
32	Correct	61 ms	3556 KB	Output is correct
33	Correct	59 ms	3588 KB	Output is correct
34	Correct	61 ms	3448 KB	Output is correct
35	Correct	58 ms	3548 KB	Output is correct
36	Correct	60 ms	3548 KB	Output is correct
37	Correct	229 ms	6752 KB	Output is correct
38	Correct	226 ms	6792 KB	Output is correct
39	Correct	340 ms	8092 KB	Output is correct
40	Correct	406 ms	8952 KB	Output is correct
41	Correct	394 ms	8696 KB	Output is correct
42	Correct	347 ms	8312 KB	Output is correct
43	Correct	340 ms	8440 KB	Output is correct
44	Correct	350 ms	8568 KB	Output is correct
45	Correct	356 ms	8568 KB	Output is correct
46	Correct	390 ms	8696 KB	Output is correct
47	Correct	349 ms	8440 KB	Output is correct
48	Correct	350 ms	8440 KB	Output is correct
49	Correct	341 ms	8184 KB	Output is correct
50	Correct	349 ms	8292 KB	Output is correct
51	Correct	338 ms	8188 KB	Output is correct
52	Correct	414 ms	9208 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	3 ms	632 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	632 KB	Output is correct
5	Correct	4 ms	760 KB	Output is correct
6	Correct	3 ms	632 KB	Output is correct
7	Correct	3 ms	632 KB	Output is correct
8	Correct	4 ms	760 KB	Output is correct
9	Correct	3 ms	760 KB	Output is correct
10	Correct	8 ms	1400 KB	Output is correct
11	Correct	9 ms	1316 KB	Output is correct
12	Correct	8 ms	1400 KB	Output is correct
13	Correct	7 ms	1272 KB	Output is correct
14	Correct	8 ms	1272 KB	Output is correct
15	Correct	8 ms	1272 KB	Output is correct
16	Correct	9 ms	1272 KB	Output is correct
17	Correct	5 ms	1020 KB	Output is correct
18	Correct	6 ms	1144 KB	Output is correct
19	Correct	7 ms	1272 KB	Output is correct
20	Correct	8 ms	1400 KB	Output is correct
21	Correct	27 ms	2524 KB	Output is correct
22	Correct	34 ms	2680 KB	Output is correct
23	Correct	18 ms	2016 KB	Output is correct
24	Correct	53 ms	3448 KB	Output is correct
25	Correct	53 ms	3320 KB	Output is correct
26	Correct	59 ms	3580 KB	Output is correct
27	Correct	59 ms	3576 KB	Output is correct
28	Correct	59 ms	3576 KB	Output is correct
29	Correct	61 ms	3576 KB	Output is correct
30	Correct	60 ms	3580 KB	Output is correct
31	Correct	59 ms	3576 KB	Output is correct
32	Correct	61 ms	3556 KB	Output is correct
33	Correct	59 ms	3588 KB	Output is correct
34	Correct	61 ms	3448 KB	Output is correct
35	Correct	58 ms	3548 KB	Output is correct
36	Correct	60 ms	3548 KB	Output is correct
37	Correct	229 ms	6752 KB	Output is correct
38	Correct	226 ms	6792 KB	Output is correct
39	Correct	340 ms	8092 KB	Output is correct
40	Correct	406 ms	8952 KB	Output is correct
41	Correct	394 ms	8696 KB	Output is correct
42	Correct	347 ms	8312 KB	Output is correct
43	Correct	340 ms	8440 KB	Output is correct
44	Correct	350 ms	8568 KB	Output is correct
45	Correct	356 ms	8568 KB	Output is correct
46	Correct	390 ms	8696 KB	Output is correct
47	Correct	349 ms	8440 KB	Output is correct
48	Correct	350 ms	8440 KB	Output is correct
49	Correct	341 ms	8184 KB	Output is correct
50	Correct	349 ms	8292 KB	Output is correct
51	Correct	338 ms	8188 KB	Output is correct
52	Correct	414 ms	9208 KB	Output is correct
53	Correct	502 ms	9936 KB	Output is correct
54	Correct	680 ms	11644 KB	Output is correct
55	Correct	698 ms	11896 KB	Output is correct
56	Correct	525 ms	10332 KB	Output is correct
57	Correct	709 ms	11896 KB	Output is correct
58	Correct	709 ms	11640 KB	Output is correct
59	Correct	694 ms	11768 KB	Output is correct
60	Correct	654 ms	11228 KB	Output is correct
61	Correct	693 ms	11768 KB	Output is correct
62	Correct	594 ms	10844 KB	Output is correct
63	Correct	590 ms	10872 KB	Output is correct
64	Correct	580 ms	10664 KB	Output is correct
65	Correct	537 ms	10220 KB	Output is correct
66	Correct	523 ms	10076 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	504 KB	Output is correct
2	Correct	3 ms	632 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	632 KB	Output is correct
5	Correct	4 ms	760 KB	Output is correct
6	Correct	3 ms	632 KB	Output is correct
7	Correct	3 ms	632 KB	Output is correct
8	Correct	4 ms	760 KB	Output is correct
9	Correct	3 ms	760 KB	Output is correct
10	Correct	8 ms	1400 KB	Output is correct
11	Correct	9 ms	1316 KB	Output is correct
12	Correct	8 ms	1400 KB	Output is correct
13	Correct	7 ms	1272 KB	Output is correct
14	Correct	8 ms	1272 KB	Output is correct
15	Correct	8 ms	1272 KB	Output is correct
16	Correct	9 ms	1272 KB	Output is correct
17	Correct	5 ms	1020 KB	Output is correct
18	Correct	6 ms	1144 KB	Output is correct
19	Correct	7 ms	1272 KB	Output is correct
20	Correct	8 ms	1400 KB	Output is correct
21	Correct	27 ms	2524 KB	Output is correct
22	Correct	34 ms	2680 KB	Output is correct
23	Correct	18 ms	2016 KB	Output is correct
24	Correct	53 ms	3448 KB	Output is correct
25	Correct	53 ms	3320 KB	Output is correct
26	Correct	59 ms	3580 KB	Output is correct
27	Correct	59 ms	3576 KB	Output is correct
28	Correct	59 ms	3576 KB	Output is correct
29	Correct	61 ms	3576 KB	Output is correct
30	Correct	60 ms	3580 KB	Output is correct
31	Correct	59 ms	3576 KB	Output is correct
32	Correct	61 ms	3556 KB	Output is correct
33	Correct	59 ms	3588 KB	Output is correct
34	Correct	61 ms	3448 KB	Output is correct
35	Correct	58 ms	3548 KB	Output is correct
36	Correct	60 ms	3548 KB	Output is correct
37	Correct	229 ms	6752 KB	Output is correct
38	Correct	226 ms	6792 KB	Output is correct
39	Correct	340 ms	8092 KB	Output is correct
40	Correct	406 ms	8952 KB	Output is correct
41	Correct	394 ms	8696 KB	Output is correct
42	Correct	347 ms	8312 KB	Output is correct
43	Correct	340 ms	8440 KB	Output is correct
44	Correct	350 ms	8568 KB	Output is correct
45	Correct	356 ms	8568 KB	Output is correct
46	Correct	390 ms	8696 KB	Output is correct
47	Correct	349 ms	8440 KB	Output is correct
48	Correct	350 ms	8440 KB	Output is correct
49	Correct	341 ms	8184 KB	Output is correct
50	Correct	349 ms	8292 KB	Output is correct
51	Correct	338 ms	8188 KB	Output is correct
52	Correct	414 ms	9208 KB	Output is correct
53	Correct	502 ms	9936 KB	Output is correct
54	Correct	680 ms	11644 KB	Output is correct
55	Correct	698 ms	11896 KB	Output is correct
56	Correct	525 ms	10332 KB	Output is correct
57	Correct	709 ms	11896 KB	Output is correct
58	Correct	709 ms	11640 KB	Output is correct
59	Correct	694 ms	11768 KB	Output is correct
60	Correct	654 ms	11228 KB	Output is correct
61	Correct	693 ms	11768 KB	Output is correct
62	Correct	594 ms	10844 KB	Output is correct
63	Correct	590 ms	10872 KB	Output is correct
64	Correct	580 ms	10664 KB	Output is correct
65	Correct	537 ms	10220 KB	Output is correct
66	Correct	523 ms	10076 KB	Output is correct
67	Correct	894 ms	13280 KB	Output is correct
68	Execution timed out	1080 ms	15736 KB	Time limit exceeded
69	Halted	0 ms	0 KB	-

답안 #172944

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
0 / 35.0