답안 #172948

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
172948	2020-01-02T19:11:01 Z	LinusTorvaldsFan	Bootfall (IZhO17_bootfall)	C++14	65 / 100	1000 ms	12760 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];
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	632 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	632 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	9 ms	1272 KB	Output is correct
11	Correct	9 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	10 ms	1500 KB	Output is correct
17	Correct	5 ms	888 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	7 ms	1272 KB	Output is correct
20	Correct	9 ms	1272 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	632 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	9 ms	1272 KB	Output is correct
11	Correct	9 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	10 ms	1500 KB	Output is correct
17	Correct	5 ms	888 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	7 ms	1272 KB	Output is correct
20	Correct	9 ms	1272 KB	Output is correct
21	Correct	33 ms	2424 KB	Output is correct
22	Correct	42 ms	2780 KB	Output is correct
23	Correct	22 ms	2040 KB	Output is correct
24	Correct	66 ms	3320 KB	Output is correct
25	Correct	66 ms	3360 KB	Output is correct
26	Correct	73 ms	3576 KB	Output is correct
27	Correct	74 ms	3552 KB	Output is correct
28	Correct	73 ms	3576 KB	Output is correct
29	Correct	70 ms	3448 KB	Output is correct
30	Correct	71 ms	3576 KB	Output is correct
31	Correct	73 ms	3576 KB	Output is correct
32	Correct	74 ms	3580 KB	Output is correct
33	Correct	72 ms	3576 KB	Output is correct
34	Correct	73 ms	3584 KB	Output is correct
35	Correct	72 ms	3576 KB	Output is correct
36	Correct	73 ms	3576 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	632 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	9 ms	1272 KB	Output is correct
11	Correct	9 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	10 ms	1500 KB	Output is correct
17	Correct	5 ms	888 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	7 ms	1272 KB	Output is correct
20	Correct	9 ms	1272 KB	Output is correct
21	Correct	33 ms	2424 KB	Output is correct
22	Correct	42 ms	2780 KB	Output is correct
23	Correct	22 ms	2040 KB	Output is correct
24	Correct	66 ms	3320 KB	Output is correct
25	Correct	66 ms	3360 KB	Output is correct
26	Correct	73 ms	3576 KB	Output is correct
27	Correct	74 ms	3552 KB	Output is correct
28	Correct	73 ms	3576 KB	Output is correct
29	Correct	70 ms	3448 KB	Output is correct
30	Correct	71 ms	3576 KB	Output is correct
31	Correct	73 ms	3576 KB	Output is correct
32	Correct	74 ms	3580 KB	Output is correct
33	Correct	72 ms	3576 KB	Output is correct
34	Correct	73 ms	3584 KB	Output is correct
35	Correct	72 ms	3576 KB	Output is correct
36	Correct	73 ms	3576 KB	Output is correct
37	Correct	279 ms	6744 KB	Output is correct
38	Correct	279 ms	6876 KB	Output is correct
39	Correct	424 ms	8156 KB	Output is correct
40	Correct	503 ms	8952 KB	Output is correct
41	Correct	492 ms	8696 KB	Output is correct
42	Correct	440 ms	8312 KB	Output is correct
43	Correct	420 ms	8380 KB	Output is correct
44	Correct	432 ms	8568 KB	Output is correct
45	Correct	436 ms	8540 KB	Output is correct
46	Correct	486 ms	8696 KB	Output is correct
47	Correct	431 ms	8440 KB	Output is correct
48	Correct	432 ms	8440 KB	Output is correct
49	Correct	425 ms	8192 KB	Output is correct
50	Correct	432 ms	8344 KB	Output is correct
51	Correct	422 ms	8312 KB	Output is correct
52	Correct	525 ms	9184 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	632 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	9 ms	1272 KB	Output is correct
11	Correct	9 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	10 ms	1500 KB	Output is correct
17	Correct	5 ms	888 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	7 ms	1272 KB	Output is correct
20	Correct	9 ms	1272 KB	Output is correct
21	Correct	33 ms	2424 KB	Output is correct
22	Correct	42 ms	2780 KB	Output is correct
23	Correct	22 ms	2040 KB	Output is correct
24	Correct	66 ms	3320 KB	Output is correct
25	Correct	66 ms	3360 KB	Output is correct
26	Correct	73 ms	3576 KB	Output is correct
27	Correct	74 ms	3552 KB	Output is correct
28	Correct	73 ms	3576 KB	Output is correct
29	Correct	70 ms	3448 KB	Output is correct
30	Correct	71 ms	3576 KB	Output is correct
31	Correct	73 ms	3576 KB	Output is correct
32	Correct	74 ms	3580 KB	Output is correct
33	Correct	72 ms	3576 KB	Output is correct
34	Correct	73 ms	3584 KB	Output is correct
35	Correct	72 ms	3576 KB	Output is correct
36	Correct	73 ms	3576 KB	Output is correct
37	Correct	279 ms	6744 KB	Output is correct
38	Correct	279 ms	6876 KB	Output is correct
39	Correct	424 ms	8156 KB	Output is correct
40	Correct	503 ms	8952 KB	Output is correct
41	Correct	492 ms	8696 KB	Output is correct
42	Correct	440 ms	8312 KB	Output is correct
43	Correct	420 ms	8380 KB	Output is correct
44	Correct	432 ms	8568 KB	Output is correct
45	Correct	436 ms	8540 KB	Output is correct
46	Correct	486 ms	8696 KB	Output is correct
47	Correct	431 ms	8440 KB	Output is correct
48	Correct	432 ms	8440 KB	Output is correct
49	Correct	425 ms	8192 KB	Output is correct
50	Correct	432 ms	8344 KB	Output is correct
51	Correct	422 ms	8312 KB	Output is correct
52	Correct	525 ms	9184 KB	Output is correct
53	Correct	646 ms	9976 KB	Output is correct
54	Correct	878 ms	11604 KB	Output is correct
55	Correct	887 ms	11896 KB	Output is correct
56	Correct	680 ms	10364 KB	Output is correct
57	Correct	861 ms	11768 KB	Output is correct
58	Correct	848 ms	11604 KB	Output is correct
59	Correct	860 ms	11772 KB	Output is correct
60	Correct	819 ms	11356 KB	Output is correct
61	Correct	859 ms	11744 KB	Output is correct
62	Correct	719 ms	10812 KB	Output is correct
63	Correct	726 ms	10940 KB	Output is correct
64	Correct	706 ms	10756 KB	Output is correct
65	Correct	688 ms	10180 KB	Output is correct
66	Correct	652 ms	10104 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	632 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	9 ms	1272 KB	Output is correct
11	Correct	9 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	10 ms	1500 KB	Output is correct
17	Correct	5 ms	888 KB	Output is correct
18	Correct	7 ms	1144 KB	Output is correct
19	Correct	7 ms	1272 KB	Output is correct
20	Correct	9 ms	1272 KB	Output is correct
21	Correct	33 ms	2424 KB	Output is correct
22	Correct	42 ms	2780 KB	Output is correct
23	Correct	22 ms	2040 KB	Output is correct
24	Correct	66 ms	3320 KB	Output is correct
25	Correct	66 ms	3360 KB	Output is correct
26	Correct	73 ms	3576 KB	Output is correct
27	Correct	74 ms	3552 KB	Output is correct
28	Correct	73 ms	3576 KB	Output is correct
29	Correct	70 ms	3448 KB	Output is correct
30	Correct	71 ms	3576 KB	Output is correct
31	Correct	73 ms	3576 KB	Output is correct
32	Correct	74 ms	3580 KB	Output is correct
33	Correct	72 ms	3576 KB	Output is correct
34	Correct	73 ms	3584 KB	Output is correct
35	Correct	72 ms	3576 KB	Output is correct
36	Correct	73 ms	3576 KB	Output is correct
37	Correct	279 ms	6744 KB	Output is correct
38	Correct	279 ms	6876 KB	Output is correct
39	Correct	424 ms	8156 KB	Output is correct
40	Correct	503 ms	8952 KB	Output is correct
41	Correct	492 ms	8696 KB	Output is correct
42	Correct	440 ms	8312 KB	Output is correct
43	Correct	420 ms	8380 KB	Output is correct
44	Correct	432 ms	8568 KB	Output is correct
45	Correct	436 ms	8540 KB	Output is correct
46	Correct	486 ms	8696 KB	Output is correct
47	Correct	431 ms	8440 KB	Output is correct
48	Correct	432 ms	8440 KB	Output is correct
49	Correct	425 ms	8192 KB	Output is correct
50	Correct	432 ms	8344 KB	Output is correct
51	Correct	422 ms	8312 KB	Output is correct
52	Correct	525 ms	9184 KB	Output is correct
53	Correct	646 ms	9976 KB	Output is correct
54	Correct	878 ms	11604 KB	Output is correct
55	Correct	887 ms	11896 KB	Output is correct
56	Correct	680 ms	10364 KB	Output is correct
57	Correct	861 ms	11768 KB	Output is correct
58	Correct	848 ms	11604 KB	Output is correct
59	Correct	860 ms	11772 KB	Output is correct
60	Correct	819 ms	11356 KB	Output is correct
61	Correct	859 ms	11744 KB	Output is correct
62	Correct	719 ms	10812 KB	Output is correct
63	Correct	726 ms	10940 KB	Output is correct
64	Correct	706 ms	10756 KB	Output is correct
65	Correct	688 ms	10180 KB	Output is correct
66	Correct	652 ms	10104 KB	Output is correct
67	Execution timed out	1077 ms	12760 KB	Time limit exceeded
68	Halted	0 ms	0 KB	-

답안 #172948

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