Submission #172920

# Submission time Handle Problem Language Result Execution time Memory
172920 2020-01-02T18:21:03 Z LinusTorvaldsFan Bootfall (IZhO17_bootfall) C++14
65 / 100
690 ms 17020 KB
#include <bits/stdc++.h>

using namespace std;

const int maxn=400;
const int maxc=400;
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 2 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 7 ms 1144 KB Output is correct
11 Correct 6 ms 1016 KB Output is correct
12 Correct 6 ms 1016 KB Output is correct
13 Correct 6 ms 888 KB Output is correct
14 Correct 6 ms 1016 KB Output is correct
15 Correct 6 ms 1016 KB Output is correct
16 Correct 7 ms 1016 KB Output is correct
17 Correct 2 ms 760 KB Output is correct
18 Correct 5 ms 888 KB Output is correct
19 Correct 5 ms 888 KB Output is correct
20 Correct 7 ms 1016 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 7 ms 1144 KB Output is correct
11 Correct 6 ms 1016 KB Output is correct
12 Correct 6 ms 1016 KB Output is correct
13 Correct 6 ms 888 KB Output is correct
14 Correct 6 ms 1016 KB Output is correct
15 Correct 6 ms 1016 KB Output is correct
16 Correct 7 ms 1016 KB Output is correct
17 Correct 2 ms 760 KB Output is correct
18 Correct 5 ms 888 KB Output is correct
19 Correct 5 ms 888 KB Output is correct
20 Correct 7 ms 1016 KB Output is correct
21 Correct 21 ms 1656 KB Output is correct
22 Correct 26 ms 1912 KB Output is correct
23 Correct 14 ms 1400 KB Output is correct
24 Correct 40 ms 2288 KB Output is correct
25 Correct 41 ms 2296 KB Output is correct
26 Correct 45 ms 2424 KB Output is correct
27 Correct 45 ms 2424 KB Output is correct
28 Correct 45 ms 2424 KB Output is correct
29 Correct 45 ms 2424 KB Output is correct
30 Correct 44 ms 2436 KB Output is correct
31 Correct 46 ms 2424 KB Output is correct
32 Correct 46 ms 2424 KB Output is correct
33 Correct 45 ms 2296 KB Output is correct
34 Correct 45 ms 2552 KB Output is correct
35 Correct 45 ms 2552 KB Output is correct
36 Correct 45 ms 2424 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 7 ms 1144 KB Output is correct
11 Correct 6 ms 1016 KB Output is correct
12 Correct 6 ms 1016 KB Output is correct
13 Correct 6 ms 888 KB Output is correct
14 Correct 6 ms 1016 KB Output is correct
15 Correct 6 ms 1016 KB Output is correct
16 Correct 7 ms 1016 KB Output is correct
17 Correct 2 ms 760 KB Output is correct
18 Correct 5 ms 888 KB Output is correct
19 Correct 5 ms 888 KB Output is correct
20 Correct 7 ms 1016 KB Output is correct
21 Correct 21 ms 1656 KB Output is correct
22 Correct 26 ms 1912 KB Output is correct
23 Correct 14 ms 1400 KB Output is correct
24 Correct 40 ms 2288 KB Output is correct
25 Correct 41 ms 2296 KB Output is correct
26 Correct 45 ms 2424 KB Output is correct
27 Correct 45 ms 2424 KB Output is correct
28 Correct 45 ms 2424 KB Output is correct
29 Correct 45 ms 2424 KB Output is correct
30 Correct 44 ms 2436 KB Output is correct
31 Correct 46 ms 2424 KB Output is correct
32 Correct 46 ms 2424 KB Output is correct
33 Correct 45 ms 2296 KB Output is correct
34 Correct 45 ms 2552 KB Output is correct
35 Correct 45 ms 2552 KB Output is correct
36 Correct 45 ms 2424 KB Output is correct
37 Correct 173 ms 4572 KB Output is correct
38 Correct 173 ms 4468 KB Output is correct
39 Correct 256 ms 5368 KB Output is correct
40 Correct 315 ms 5856 KB Output is correct
41 Correct 301 ms 5780 KB Output is correct
42 Correct 264 ms 5524 KB Output is correct
43 Correct 265 ms 5624 KB Output is correct
44 Correct 272 ms 5752 KB Output is correct
45 Correct 277 ms 5760 KB Output is correct
46 Correct 299 ms 5752 KB Output is correct
47 Correct 270 ms 5496 KB Output is correct
48 Correct 272 ms 5624 KB Output is correct
49 Correct 263 ms 5336 KB Output is correct
50 Correct 265 ms 5472 KB Output is correct
51 Correct 255 ms 5376 KB Output is correct
52 Correct 317 ms 6136 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 7 ms 1144 KB Output is correct
11 Correct 6 ms 1016 KB Output is correct
12 Correct 6 ms 1016 KB Output is correct
13 Correct 6 ms 888 KB Output is correct
14 Correct 6 ms 1016 KB Output is correct
15 Correct 6 ms 1016 KB Output is correct
16 Correct 7 ms 1016 KB Output is correct
17 Correct 2 ms 760 KB Output is correct
18 Correct 5 ms 888 KB Output is correct
19 Correct 5 ms 888 KB Output is correct
20 Correct 7 ms 1016 KB Output is correct
21 Correct 21 ms 1656 KB Output is correct
22 Correct 26 ms 1912 KB Output is correct
23 Correct 14 ms 1400 KB Output is correct
24 Correct 40 ms 2288 KB Output is correct
25 Correct 41 ms 2296 KB Output is correct
26 Correct 45 ms 2424 KB Output is correct
27 Correct 45 ms 2424 KB Output is correct
28 Correct 45 ms 2424 KB Output is correct
29 Correct 45 ms 2424 KB Output is correct
30 Correct 44 ms 2436 KB Output is correct
31 Correct 46 ms 2424 KB Output is correct
32 Correct 46 ms 2424 KB Output is correct
33 Correct 45 ms 2296 KB Output is correct
34 Correct 45 ms 2552 KB Output is correct
35 Correct 45 ms 2552 KB Output is correct
36 Correct 45 ms 2424 KB Output is correct
37 Correct 173 ms 4572 KB Output is correct
38 Correct 173 ms 4468 KB Output is correct
39 Correct 256 ms 5368 KB Output is correct
40 Correct 315 ms 5856 KB Output is correct
41 Correct 301 ms 5780 KB Output is correct
42 Correct 264 ms 5524 KB Output is correct
43 Correct 265 ms 5624 KB Output is correct
44 Correct 272 ms 5752 KB Output is correct
45 Correct 277 ms 5760 KB Output is correct
46 Correct 299 ms 5752 KB Output is correct
47 Correct 270 ms 5496 KB Output is correct
48 Correct 272 ms 5624 KB Output is correct
49 Correct 263 ms 5336 KB Output is correct
50 Correct 265 ms 5472 KB Output is correct
51 Correct 255 ms 5376 KB Output is correct
52 Correct 317 ms 6136 KB Output is correct
53 Correct 388 ms 6572 KB Output is correct
54 Correct 522 ms 7672 KB Output is correct
55 Correct 547 ms 7804 KB Output is correct
56 Correct 410 ms 6812 KB Output is correct
57 Correct 541 ms 8056 KB Output is correct
58 Correct 523 ms 7672 KB Output is correct
59 Correct 527 ms 7804 KB Output is correct
60 Correct 493 ms 7288 KB Output is correct
61 Correct 532 ms 7812 KB Output is correct
62 Correct 458 ms 7216 KB Output is correct
63 Correct 453 ms 7360 KB Output is correct
64 Correct 445 ms 7224 KB Output is correct
65 Correct 414 ms 6628 KB Output is correct
66 Correct 396 ms 6520 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 504 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 632 KB Output is correct
9 Correct 3 ms 632 KB Output is correct
10 Correct 7 ms 1144 KB Output is correct
11 Correct 6 ms 1016 KB Output is correct
12 Correct 6 ms 1016 KB Output is correct
13 Correct 6 ms 888 KB Output is correct
14 Correct 6 ms 1016 KB Output is correct
15 Correct 6 ms 1016 KB Output is correct
16 Correct 7 ms 1016 KB Output is correct
17 Correct 2 ms 760 KB Output is correct
18 Correct 5 ms 888 KB Output is correct
19 Correct 5 ms 888 KB Output is correct
20 Correct 7 ms 1016 KB Output is correct
21 Correct 21 ms 1656 KB Output is correct
22 Correct 26 ms 1912 KB Output is correct
23 Correct 14 ms 1400 KB Output is correct
24 Correct 40 ms 2288 KB Output is correct
25 Correct 41 ms 2296 KB Output is correct
26 Correct 45 ms 2424 KB Output is correct
27 Correct 45 ms 2424 KB Output is correct
28 Correct 45 ms 2424 KB Output is correct
29 Correct 45 ms 2424 KB Output is correct
30 Correct 44 ms 2436 KB Output is correct
31 Correct 46 ms 2424 KB Output is correct
32 Correct 46 ms 2424 KB Output is correct
33 Correct 45 ms 2296 KB Output is correct
34 Correct 45 ms 2552 KB Output is correct
35 Correct 45 ms 2552 KB Output is correct
36 Correct 45 ms 2424 KB Output is correct
37 Correct 173 ms 4572 KB Output is correct
38 Correct 173 ms 4468 KB Output is correct
39 Correct 256 ms 5368 KB Output is correct
40 Correct 315 ms 5856 KB Output is correct
41 Correct 301 ms 5780 KB Output is correct
42 Correct 264 ms 5524 KB Output is correct
43 Correct 265 ms 5624 KB Output is correct
44 Correct 272 ms 5752 KB Output is correct
45 Correct 277 ms 5760 KB Output is correct
46 Correct 299 ms 5752 KB Output is correct
47 Correct 270 ms 5496 KB Output is correct
48 Correct 272 ms 5624 KB Output is correct
49 Correct 263 ms 5336 KB Output is correct
50 Correct 265 ms 5472 KB Output is correct
51 Correct 255 ms 5376 KB Output is correct
52 Correct 317 ms 6136 KB Output is correct
53 Correct 388 ms 6572 KB Output is correct
54 Correct 522 ms 7672 KB Output is correct
55 Correct 547 ms 7804 KB Output is correct
56 Correct 410 ms 6812 KB Output is correct
57 Correct 541 ms 8056 KB Output is correct
58 Correct 523 ms 7672 KB Output is correct
59 Correct 527 ms 7804 KB Output is correct
60 Correct 493 ms 7288 KB Output is correct
61 Correct 532 ms 7812 KB Output is correct
62 Correct 458 ms 7216 KB Output is correct
63 Correct 453 ms 7360 KB Output is correct
64 Correct 445 ms 7224 KB Output is correct
65 Correct 414 ms 6628 KB Output is correct
66 Correct 396 ms 6520 KB Output is correct
67 Runtime error 690 ms 17020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
68 Halted 0 ms 0 KB -