답안 #172922

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
172922	2020-01-02T18:21:42 Z	LinusTorvaldsFan	Bootfall (IZhO17_bootfall)	C++14	65 / 100	1000 ms	12664 KB

bootfall

#include <bits/stdc++.h>

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()<<endl;
	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	760 KB	Output is correct
7	Correct	17 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	760 KB	Output is correct
7	Correct	17 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	10 ms	1400 KB	Output is correct
11	Correct	10 ms	1400 KB	Output is correct
12	Correct	10 ms	1400 KB	Output is correct
13	Correct	8 ms	1276 KB	Output is correct
14	Correct	9 ms	1272 KB	Output is correct
15	Correct	9 ms	1272 KB	Output is correct
16	Correct	9 ms	1400 KB	Output is correct
17	Correct	5 ms	1016 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	8 ms	1272 KB	Output is correct
20	Correct	10 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	760 KB	Output is correct
7	Correct	17 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	10 ms	1400 KB	Output is correct
11	Correct	10 ms	1400 KB	Output is correct
12	Correct	10 ms	1400 KB	Output is correct
13	Correct	8 ms	1276 KB	Output is correct
14	Correct	9 ms	1272 KB	Output is correct
15	Correct	9 ms	1272 KB	Output is correct
16	Correct	9 ms	1400 KB	Output is correct
17	Correct	5 ms	1016 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	8 ms	1272 KB	Output is correct
20	Correct	10 ms	1400 KB	Output is correct
21	Correct	33 ms	2424 KB	Output is correct
22	Correct	42 ms	2808 KB	Output is correct
23	Correct	21 ms	2044 KB	Output is correct
24	Correct	66 ms	3324 KB	Output is correct
25	Correct	66 ms	3448 KB	Output is correct
26	Correct	74 ms	3704 KB	Output is correct
27	Correct	73 ms	3576 KB	Output is correct
28	Correct	74 ms	3576 KB	Output is correct
29	Correct	73 ms	3544 KB	Output is correct
30	Correct	73 ms	3540 KB	Output is correct
31	Correct	74 ms	3580 KB	Output is correct
32	Correct	74 ms	3576 KB	Output is correct
33	Correct	73 ms	3544 KB	Output is correct
34	Correct	73 ms	3576 KB	Output is correct
35	Correct	73 ms	3448 KB	Output is correct
36	Correct	74 ms	3576 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	760 KB	Output is correct
7	Correct	17 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	10 ms	1400 KB	Output is correct
11	Correct	10 ms	1400 KB	Output is correct
12	Correct	10 ms	1400 KB	Output is correct
13	Correct	8 ms	1276 KB	Output is correct
14	Correct	9 ms	1272 KB	Output is correct
15	Correct	9 ms	1272 KB	Output is correct
16	Correct	9 ms	1400 KB	Output is correct
17	Correct	5 ms	1016 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	8 ms	1272 KB	Output is correct
20	Correct	10 ms	1400 KB	Output is correct
21	Correct	33 ms	2424 KB	Output is correct
22	Correct	42 ms	2808 KB	Output is correct
23	Correct	21 ms	2044 KB	Output is correct
24	Correct	66 ms	3324 KB	Output is correct
25	Correct	66 ms	3448 KB	Output is correct
26	Correct	74 ms	3704 KB	Output is correct
27	Correct	73 ms	3576 KB	Output is correct
28	Correct	74 ms	3576 KB	Output is correct
29	Correct	73 ms	3544 KB	Output is correct
30	Correct	73 ms	3540 KB	Output is correct
31	Correct	74 ms	3580 KB	Output is correct
32	Correct	74 ms	3576 KB	Output is correct
33	Correct	73 ms	3544 KB	Output is correct
34	Correct	73 ms	3576 KB	Output is correct
35	Correct	73 ms	3448 KB	Output is correct
36	Correct	74 ms	3576 KB	Output is correct
37	Correct	281 ms	6760 KB	Output is correct
38	Correct	282 ms	6740 KB	Output is correct
39	Correct	421 ms	8108 KB	Output is correct
40	Correct	510 ms	8892 KB	Output is correct
41	Correct	502 ms	8696 KB	Output is correct
42	Correct	438 ms	8312 KB	Output is correct
43	Correct	432 ms	8312 KB	Output is correct
44	Correct	438 ms	8440 KB	Output is correct
45	Correct	446 ms	8568 KB	Output is correct
46	Correct	493 ms	8696 KB	Output is correct
47	Correct	440 ms	8412 KB	Output is correct
48	Correct	441 ms	8444 KB	Output is correct
49	Correct	434 ms	8184 KB	Output is correct
50	Correct	440 ms	8440 KB	Output is correct
51	Correct	428 ms	8184 KB	Output is correct
52	Correct	520 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	760 KB	Output is correct
7	Correct	17 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	10 ms	1400 KB	Output is correct
11	Correct	10 ms	1400 KB	Output is correct
12	Correct	10 ms	1400 KB	Output is correct
13	Correct	8 ms	1276 KB	Output is correct
14	Correct	9 ms	1272 KB	Output is correct
15	Correct	9 ms	1272 KB	Output is correct
16	Correct	9 ms	1400 KB	Output is correct
17	Correct	5 ms	1016 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	8 ms	1272 KB	Output is correct
20	Correct	10 ms	1400 KB	Output is correct
21	Correct	33 ms	2424 KB	Output is correct
22	Correct	42 ms	2808 KB	Output is correct
23	Correct	21 ms	2044 KB	Output is correct
24	Correct	66 ms	3324 KB	Output is correct
25	Correct	66 ms	3448 KB	Output is correct
26	Correct	74 ms	3704 KB	Output is correct
27	Correct	73 ms	3576 KB	Output is correct
28	Correct	74 ms	3576 KB	Output is correct
29	Correct	73 ms	3544 KB	Output is correct
30	Correct	73 ms	3540 KB	Output is correct
31	Correct	74 ms	3580 KB	Output is correct
32	Correct	74 ms	3576 KB	Output is correct
33	Correct	73 ms	3544 KB	Output is correct
34	Correct	73 ms	3576 KB	Output is correct
35	Correct	73 ms	3448 KB	Output is correct
36	Correct	74 ms	3576 KB	Output is correct
37	Correct	281 ms	6760 KB	Output is correct
38	Correct	282 ms	6740 KB	Output is correct
39	Correct	421 ms	8108 KB	Output is correct
40	Correct	510 ms	8892 KB	Output is correct
41	Correct	502 ms	8696 KB	Output is correct
42	Correct	438 ms	8312 KB	Output is correct
43	Correct	432 ms	8312 KB	Output is correct
44	Correct	438 ms	8440 KB	Output is correct
45	Correct	446 ms	8568 KB	Output is correct
46	Correct	493 ms	8696 KB	Output is correct
47	Correct	440 ms	8412 KB	Output is correct
48	Correct	441 ms	8444 KB	Output is correct
49	Correct	434 ms	8184 KB	Output is correct
50	Correct	440 ms	8440 KB	Output is correct
51	Correct	428 ms	8184 KB	Output is correct
52	Correct	520 ms	9208 KB	Output is correct
53	Correct	649 ms	9948 KB	Output is correct
54	Correct	857 ms	11600 KB	Output is correct
55	Correct	875 ms	11868 KB	Output is correct
56	Correct	660 ms	10232 KB	Output is correct
57	Correct	948 ms	11896 KB	Output is correct
58	Correct	859 ms	11772 KB	Output is correct
59	Correct	868 ms	11768 KB	Output is correct
60	Correct	831 ms	11256 KB	Output is correct
61	Correct	876 ms	11812 KB	Output is correct
62	Correct	738 ms	10848 KB	Output is correct
63	Correct	735 ms	11000 KB	Output is correct
64	Correct	708 ms	10872 KB	Output is correct
65	Correct	683 ms	10212 KB	Output is correct
66	Correct	673 ms	10104 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	760 KB	Output is correct
7	Correct	17 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	10 ms	1400 KB	Output is correct
11	Correct	10 ms	1400 KB	Output is correct
12	Correct	10 ms	1400 KB	Output is correct
13	Correct	8 ms	1276 KB	Output is correct
14	Correct	9 ms	1272 KB	Output is correct
15	Correct	9 ms	1272 KB	Output is correct
16	Correct	9 ms	1400 KB	Output is correct
17	Correct	5 ms	1016 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	8 ms	1272 KB	Output is correct
20	Correct	10 ms	1400 KB	Output is correct
21	Correct	33 ms	2424 KB	Output is correct
22	Correct	42 ms	2808 KB	Output is correct
23	Correct	21 ms	2044 KB	Output is correct
24	Correct	66 ms	3324 KB	Output is correct
25	Correct	66 ms	3448 KB	Output is correct
26	Correct	74 ms	3704 KB	Output is correct
27	Correct	73 ms	3576 KB	Output is correct
28	Correct	74 ms	3576 KB	Output is correct
29	Correct	73 ms	3544 KB	Output is correct
30	Correct	73 ms	3540 KB	Output is correct
31	Correct	74 ms	3580 KB	Output is correct
32	Correct	74 ms	3576 KB	Output is correct
33	Correct	73 ms	3544 KB	Output is correct
34	Correct	73 ms	3576 KB	Output is correct
35	Correct	73 ms	3448 KB	Output is correct
36	Correct	74 ms	3576 KB	Output is correct
37	Correct	281 ms	6760 KB	Output is correct
38	Correct	282 ms	6740 KB	Output is correct
39	Correct	421 ms	8108 KB	Output is correct
40	Correct	510 ms	8892 KB	Output is correct
41	Correct	502 ms	8696 KB	Output is correct
42	Correct	438 ms	8312 KB	Output is correct
43	Correct	432 ms	8312 KB	Output is correct
44	Correct	438 ms	8440 KB	Output is correct
45	Correct	446 ms	8568 KB	Output is correct
46	Correct	493 ms	8696 KB	Output is correct
47	Correct	440 ms	8412 KB	Output is correct
48	Correct	441 ms	8444 KB	Output is correct
49	Correct	434 ms	8184 KB	Output is correct
50	Correct	440 ms	8440 KB	Output is correct
51	Correct	428 ms	8184 KB	Output is correct
52	Correct	520 ms	9208 KB	Output is correct
53	Correct	649 ms	9948 KB	Output is correct
54	Correct	857 ms	11600 KB	Output is correct
55	Correct	875 ms	11868 KB	Output is correct
56	Correct	660 ms	10232 KB	Output is correct
57	Correct	948 ms	11896 KB	Output is correct
58	Correct	859 ms	11772 KB	Output is correct
59	Correct	868 ms	11768 KB	Output is correct
60	Correct	831 ms	11256 KB	Output is correct
61	Correct	876 ms	11812 KB	Output is correct
62	Correct	738 ms	10848 KB	Output is correct
63	Correct	735 ms	11000 KB	Output is correct
64	Correct	708 ms	10872 KB	Output is correct
65	Correct	683 ms	10212 KB	Output is correct
66	Correct	673 ms	10104 KB	Output is correct
67	Execution timed out	1075 ms	12664 KB	Time limit exceeded
68	Halted	0 ms	0 KB	-

답안 #172922

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