답안 #172950

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
172950	2020-01-02T19:12:24 Z	LinusTorvaldsFan	Bootfall (IZhO17_bootfall)	C++14	65 / 100	1000 ms	12664 KB

bootfall

#include <bits/stdc++.h>
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
// #pragma GCC optimize("unroll-loops")
 
using namespace std;
 
const int maxn=501;
const int maxc=501;
const int maxw=maxc*maxn;
bitset<maxn*maxc>available[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	504 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	504 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	10 ms	1272 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	1272 KB	Output is correct
14	Correct	9 ms	1272 KB	Output is correct
15	Correct	9 ms	1272 KB	Output is correct
16	Correct	8 ms	1272 KB	Output is correct
17	Correct	6 ms	988 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	8 ms	1144 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	504 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	10 ms	1272 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	1272 KB	Output is correct
14	Correct	9 ms	1272 KB	Output is correct
15	Correct	9 ms	1272 KB	Output is correct
16	Correct	8 ms	1272 KB	Output is correct
17	Correct	6 ms	988 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	8 ms	1144 KB	Output is correct
20	Correct	10 ms	1400 KB	Output is correct
21	Correct	33 ms	2552 KB	Output is correct
22	Correct	43 ms	2680 KB	Output is correct
23	Correct	21 ms	1912 KB	Output is correct
24	Correct	66 ms	3420 KB	Output is correct
25	Correct	66 ms	3320 KB	Output is correct
26	Correct	74 ms	3576 KB	Output is correct
27	Correct	75 ms	3448 KB	Output is correct
28	Correct	74 ms	3540 KB	Output is correct
29	Correct	73 ms	3540 KB	Output is correct
30	Correct	72 ms	3448 KB	Output is correct
31	Correct	74 ms	3540 KB	Output is correct
32	Correct	74 ms	3576 KB	Output is correct
33	Correct	73 ms	3572 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	504 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	10 ms	1272 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	1272 KB	Output is correct
14	Correct	9 ms	1272 KB	Output is correct
15	Correct	9 ms	1272 KB	Output is correct
16	Correct	8 ms	1272 KB	Output is correct
17	Correct	6 ms	988 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	8 ms	1144 KB	Output is correct
20	Correct	10 ms	1400 KB	Output is correct
21	Correct	33 ms	2552 KB	Output is correct
22	Correct	43 ms	2680 KB	Output is correct
23	Correct	21 ms	1912 KB	Output is correct
24	Correct	66 ms	3420 KB	Output is correct
25	Correct	66 ms	3320 KB	Output is correct
26	Correct	74 ms	3576 KB	Output is correct
27	Correct	75 ms	3448 KB	Output is correct
28	Correct	74 ms	3540 KB	Output is correct
29	Correct	73 ms	3540 KB	Output is correct
30	Correct	72 ms	3448 KB	Output is correct
31	Correct	74 ms	3540 KB	Output is correct
32	Correct	74 ms	3576 KB	Output is correct
33	Correct	73 ms	3572 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	283 ms	6740 KB	Output is correct
38	Correct	283 ms	6776 KB	Output is correct
39	Correct	421 ms	8184 KB	Output is correct
40	Correct	510 ms	8924 KB	Output is correct
41	Correct	499 ms	8696 KB	Output is correct
42	Correct	439 ms	8312 KB	Output is correct
43	Correct	426 ms	8344 KB	Output is correct
44	Correct	440 ms	8440 KB	Output is correct
45	Correct	448 ms	8528 KB	Output is correct
46	Correct	498 ms	8824 KB	Output is correct
47	Correct	438 ms	8308 KB	Output is correct
48	Correct	442 ms	8408 KB	Output is correct
49	Correct	431 ms	8184 KB	Output is correct
50	Correct	439 ms	8312 KB	Output is correct
51	Correct	428 ms	8056 KB	Output is correct
52	Correct	520 ms	9168 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	504 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	10 ms	1272 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	1272 KB	Output is correct
14	Correct	9 ms	1272 KB	Output is correct
15	Correct	9 ms	1272 KB	Output is correct
16	Correct	8 ms	1272 KB	Output is correct
17	Correct	6 ms	988 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	8 ms	1144 KB	Output is correct
20	Correct	10 ms	1400 KB	Output is correct
21	Correct	33 ms	2552 KB	Output is correct
22	Correct	43 ms	2680 KB	Output is correct
23	Correct	21 ms	1912 KB	Output is correct
24	Correct	66 ms	3420 KB	Output is correct
25	Correct	66 ms	3320 KB	Output is correct
26	Correct	74 ms	3576 KB	Output is correct
27	Correct	75 ms	3448 KB	Output is correct
28	Correct	74 ms	3540 KB	Output is correct
29	Correct	73 ms	3540 KB	Output is correct
30	Correct	72 ms	3448 KB	Output is correct
31	Correct	74 ms	3540 KB	Output is correct
32	Correct	74 ms	3576 KB	Output is correct
33	Correct	73 ms	3572 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	283 ms	6740 KB	Output is correct
38	Correct	283 ms	6776 KB	Output is correct
39	Correct	421 ms	8184 KB	Output is correct
40	Correct	510 ms	8924 KB	Output is correct
41	Correct	499 ms	8696 KB	Output is correct
42	Correct	439 ms	8312 KB	Output is correct
43	Correct	426 ms	8344 KB	Output is correct
44	Correct	440 ms	8440 KB	Output is correct
45	Correct	448 ms	8528 KB	Output is correct
46	Correct	498 ms	8824 KB	Output is correct
47	Correct	438 ms	8308 KB	Output is correct
48	Correct	442 ms	8408 KB	Output is correct
49	Correct	431 ms	8184 KB	Output is correct
50	Correct	439 ms	8312 KB	Output is correct
51	Correct	428 ms	8056 KB	Output is correct
52	Correct	520 ms	9168 KB	Output is correct
53	Correct	631 ms	9940 KB	Output is correct
54	Correct	862 ms	11608 KB	Output is correct
55	Correct	879 ms	11768 KB	Output is correct
56	Correct	662 ms	10252 KB	Output is correct
57	Correct	879 ms	11860 KB	Output is correct
58	Correct	861 ms	11600 KB	Output is correct
59	Correct	867 ms	11768 KB	Output is correct
60	Correct	832 ms	11256 KB	Output is correct
61	Correct	922 ms	11732 KB	Output is correct
62	Correct	738 ms	10808 KB	Output is correct
63	Correct	737 ms	10932 KB	Output is correct
64	Correct	710 ms	10872 KB	Output is correct
65	Correct	689 ms	10104 KB	Output is correct
66	Correct	662 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	504 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	10 ms	1272 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	1272 KB	Output is correct
14	Correct	9 ms	1272 KB	Output is correct
15	Correct	9 ms	1272 KB	Output is correct
16	Correct	8 ms	1272 KB	Output is correct
17	Correct	6 ms	988 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	8 ms	1144 KB	Output is correct
20	Correct	10 ms	1400 KB	Output is correct
21	Correct	33 ms	2552 KB	Output is correct
22	Correct	43 ms	2680 KB	Output is correct
23	Correct	21 ms	1912 KB	Output is correct
24	Correct	66 ms	3420 KB	Output is correct
25	Correct	66 ms	3320 KB	Output is correct
26	Correct	74 ms	3576 KB	Output is correct
27	Correct	75 ms	3448 KB	Output is correct
28	Correct	74 ms	3540 KB	Output is correct
29	Correct	73 ms	3540 KB	Output is correct
30	Correct	72 ms	3448 KB	Output is correct
31	Correct	74 ms	3540 KB	Output is correct
32	Correct	74 ms	3576 KB	Output is correct
33	Correct	73 ms	3572 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	283 ms	6740 KB	Output is correct
38	Correct	283 ms	6776 KB	Output is correct
39	Correct	421 ms	8184 KB	Output is correct
40	Correct	510 ms	8924 KB	Output is correct
41	Correct	499 ms	8696 KB	Output is correct
42	Correct	439 ms	8312 KB	Output is correct
43	Correct	426 ms	8344 KB	Output is correct
44	Correct	440 ms	8440 KB	Output is correct
45	Correct	448 ms	8528 KB	Output is correct
46	Correct	498 ms	8824 KB	Output is correct
47	Correct	438 ms	8308 KB	Output is correct
48	Correct	442 ms	8408 KB	Output is correct
49	Correct	431 ms	8184 KB	Output is correct
50	Correct	439 ms	8312 KB	Output is correct
51	Correct	428 ms	8056 KB	Output is correct
52	Correct	520 ms	9168 KB	Output is correct
53	Correct	631 ms	9940 KB	Output is correct
54	Correct	862 ms	11608 KB	Output is correct
55	Correct	879 ms	11768 KB	Output is correct
56	Correct	662 ms	10252 KB	Output is correct
57	Correct	879 ms	11860 KB	Output is correct
58	Correct	861 ms	11600 KB	Output is correct
59	Correct	867 ms	11768 KB	Output is correct
60	Correct	832 ms	11256 KB	Output is correct
61	Correct	922 ms	11732 KB	Output is correct
62	Correct	738 ms	10808 KB	Output is correct
63	Correct	737 ms	10932 KB	Output is correct
64	Correct	710 ms	10872 KB	Output is correct
65	Correct	689 ms	10104 KB	Output is correct
66	Correct	662 ms	10104 KB	Output is correct
67	Execution timed out	1073 ms	12664 KB	Time limit exceeded
68	Halted	0 ms	0 KB	-

답안 #172950

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