Submission #172922

# Submission time Handle Problem Language Result Execution time Memory
172922 2020-01-02T18:21:42 Z LinusTorvaldsFan Bootfall (IZhO17_bootfall) C++14
65 / 100
1000 ms 12664 KB
#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;
}
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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 -