oj.uz

Submission #172944

# Submission time Handle Problem Language Result Execution time Memory
172944 2020-01-02T19:07:08 Z LinusTorvaldsFan Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 15736 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
 
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

# 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 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

# 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 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 8 ms 1400 KB Output is correct
11 Correct 9 ms 1316 KB Output is correct
12 Correct 8 ms 1400 KB Output is correct
13 Correct 7 ms 1272 KB Output is correct
14 Correct 8 ms 1272 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 9 ms 1272 KB Output is correct
17 Correct 5 ms 1020 KB Output is correct
18 Correct 6 ms 1144 KB Output is correct
19 Correct 7 ms 1272 KB Output is correct
20 Correct 8 ms 1400 KB Output is correct

Subtask #3
15.0 / 15.0

# 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 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 8 ms 1400 KB Output is correct
11 Correct 9 ms 1316 KB Output is correct
12 Correct 8 ms 1400 KB Output is correct
13 Correct 7 ms 1272 KB Output is correct
14 Correct 8 ms 1272 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 9 ms 1272 KB Output is correct
17 Correct 5 ms 1020 KB Output is correct
18 Correct 6 ms 1144 KB Output is correct
19 Correct 7 ms 1272 KB Output is correct
20 Correct 8 ms 1400 KB Output is correct
21 Correct 27 ms 2524 KB Output is correct
22 Correct 34 ms 2680 KB Output is correct
23 Correct 18 ms 2016 KB Output is correct
24 Correct 53 ms 3448 KB Output is correct
25 Correct 53 ms 3320 KB Output is correct
26 Correct 59 ms 3580 KB Output is correct
27 Correct 59 ms 3576 KB Output is correct
28 Correct 59 ms 3576 KB Output is correct
29 Correct 61 ms 3576 KB Output is correct
30 Correct 60 ms 3580 KB Output is correct
31 Correct 59 ms 3576 KB Output is correct
32 Correct 61 ms 3556 KB Output is correct
33 Correct 59 ms 3588 KB Output is correct
34 Correct 61 ms 3448 KB Output is correct
35 Correct 58 ms 3548 KB Output is correct
36 Correct 60 ms 3548 KB Output is correct

Subtask #4
16.0 / 16.0

# 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 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 8 ms 1400 KB Output is correct
11 Correct 9 ms 1316 KB Output is correct
12 Correct 8 ms 1400 KB Output is correct
13 Correct 7 ms 1272 KB Output is correct
14 Correct 8 ms 1272 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 9 ms 1272 KB Output is correct
17 Correct 5 ms 1020 KB Output is correct
18 Correct 6 ms 1144 KB Output is correct
19 Correct 7 ms 1272 KB Output is correct
20 Correct 8 ms 1400 KB Output is correct
21 Correct 27 ms 2524 KB Output is correct
22 Correct 34 ms 2680 KB Output is correct
23 Correct 18 ms 2016 KB Output is correct
24 Correct 53 ms 3448 KB Output is correct
25 Correct 53 ms 3320 KB Output is correct
26 Correct 59 ms 3580 KB Output is correct
27 Correct 59 ms 3576 KB Output is correct
28 Correct 59 ms 3576 KB Output is correct
29 Correct 61 ms 3576 KB Output is correct
30 Correct 60 ms 3580 KB Output is correct
31 Correct 59 ms 3576 KB Output is correct
32 Correct 61 ms 3556 KB Output is correct
33 Correct 59 ms 3588 KB Output is correct
34 Correct 61 ms 3448 KB Output is correct
35 Correct 58 ms 3548 KB Output is correct
36 Correct 60 ms 3548 KB Output is correct
37 Correct 229 ms 6752 KB Output is correct
38 Correct 226 ms 6792 KB Output is correct
39 Correct 340 ms 8092 KB Output is correct
40 Correct 406 ms 8952 KB Output is correct
41 Correct 394 ms 8696 KB Output is correct
42 Correct 347 ms 8312 KB Output is correct
43 Correct 340 ms 8440 KB Output is correct
44 Correct 350 ms 8568 KB Output is correct
45 Correct 356 ms 8568 KB Output is correct
46 Correct 390 ms 8696 KB Output is correct
47 Correct 349 ms 8440 KB Output is correct
48 Correct 350 ms 8440 KB Output is correct
49 Correct 341 ms 8184 KB Output is correct
50 Correct 349 ms 8292 KB Output is correct
51 Correct 338 ms 8188 KB Output is correct
52 Correct 414 ms 9208 KB Output is correct

Subtask #5
21.0 / 21.0

# 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 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 8 ms 1400 KB Output is correct
11 Correct 9 ms 1316 KB Output is correct
12 Correct 8 ms 1400 KB Output is correct
13 Correct 7 ms 1272 KB Output is correct
14 Correct 8 ms 1272 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 9 ms 1272 KB Output is correct
17 Correct 5 ms 1020 KB Output is correct
18 Correct 6 ms 1144 KB Output is correct
19 Correct 7 ms 1272 KB Output is correct
20 Correct 8 ms 1400 KB Output is correct
21 Correct 27 ms 2524 KB Output is correct
22 Correct 34 ms 2680 KB Output is correct
23 Correct 18 ms 2016 KB Output is correct
24 Correct 53 ms 3448 KB Output is correct
25 Correct 53 ms 3320 KB Output is correct
26 Correct 59 ms 3580 KB Output is correct
27 Correct 59 ms 3576 KB Output is correct
28 Correct 59 ms 3576 KB Output is correct
29 Correct 61 ms 3576 KB Output is correct
30 Correct 60 ms 3580 KB Output is correct
31 Correct 59 ms 3576 KB Output is correct
32 Correct 61 ms 3556 KB Output is correct
33 Correct 59 ms 3588 KB Output is correct
34 Correct 61 ms 3448 KB Output is correct
35 Correct 58 ms 3548 KB Output is correct
36 Correct 60 ms 3548 KB Output is correct
37 Correct 229 ms 6752 KB Output is correct
38 Correct 226 ms 6792 KB Output is correct
39 Correct 340 ms 8092 KB Output is correct
40 Correct 406 ms 8952 KB Output is correct
41 Correct 394 ms 8696 KB Output is correct
42 Correct 347 ms 8312 KB Output is correct
43 Correct 340 ms 8440 KB Output is correct
44 Correct 350 ms 8568 KB Output is correct
45 Correct 356 ms 8568 KB Output is correct
46 Correct 390 ms 8696 KB Output is correct
47 Correct 349 ms 8440 KB Output is correct
48 Correct 350 ms 8440 KB Output is correct
49 Correct 341 ms 8184 KB Output is correct
50 Correct 349 ms 8292 KB Output is correct
51 Correct 338 ms 8188 KB Output is correct
52 Correct 414 ms 9208 KB Output is correct
53 Correct 502 ms 9936 KB Output is correct
54 Correct 680 ms 11644 KB Output is correct
55 Correct 698 ms 11896 KB Output is correct
56 Correct 525 ms 10332 KB Output is correct
57 Correct 709 ms 11896 KB Output is correct
58 Correct 709 ms 11640 KB Output is correct
59 Correct 694 ms 11768 KB Output is correct
60 Correct 654 ms 11228 KB Output is correct
61 Correct 693 ms 11768 KB Output is correct
62 Correct 594 ms 10844 KB Output is correct
63 Correct 590 ms 10872 KB Output is correct
64 Correct 580 ms 10664 KB Output is correct
65 Correct 537 ms 10220 KB Output is correct
66 Correct 523 ms 10076 KB Output is correct

Subtask #6
0 / 35.0

# 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 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 8 ms 1400 KB Output is correct
11 Correct 9 ms 1316 KB Output is correct
12 Correct 8 ms 1400 KB Output is correct
13 Correct 7 ms 1272 KB Output is correct
14 Correct 8 ms 1272 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 9 ms 1272 KB Output is correct
17 Correct 5 ms 1020 KB Output is correct
18 Correct 6 ms 1144 KB Output is correct
19 Correct 7 ms 1272 KB Output is correct
20 Correct 8 ms 1400 KB Output is correct
21 Correct 27 ms 2524 KB Output is correct
22 Correct 34 ms 2680 KB Output is correct
23 Correct 18 ms 2016 KB Output is correct
24 Correct 53 ms 3448 KB Output is correct
25 Correct 53 ms 3320 KB Output is correct
26 Correct 59 ms 3580 KB Output is correct
27 Correct 59 ms 3576 KB Output is correct
28 Correct 59 ms 3576 KB Output is correct
29 Correct 61 ms 3576 KB Output is correct
30 Correct 60 ms 3580 KB Output is correct
31 Correct 59 ms 3576 KB Output is correct
32 Correct 61 ms 3556 KB Output is correct
33 Correct 59 ms 3588 KB Output is correct
34 Correct 61 ms 3448 KB Output is correct
35 Correct 58 ms 3548 KB Output is correct
36 Correct 60 ms 3548 KB Output is correct
37 Correct 229 ms 6752 KB Output is correct
38 Correct 226 ms 6792 KB Output is correct
39 Correct 340 ms 8092 KB Output is correct
40 Correct 406 ms 8952 KB Output is correct
41 Correct 394 ms 8696 KB Output is correct
42 Correct 347 ms 8312 KB Output is correct
43 Correct 340 ms 8440 KB Output is correct
44 Correct 350 ms 8568 KB Output is correct
45 Correct 356 ms 8568 KB Output is correct
46 Correct 390 ms 8696 KB Output is correct
47 Correct 349 ms 8440 KB Output is correct
48 Correct 350 ms 8440 KB Output is correct
49 Correct 341 ms 8184 KB Output is correct
50 Correct 349 ms 8292 KB Output is correct
51 Correct 338 ms 8188 KB Output is correct
52 Correct 414 ms 9208 KB Output is correct
53 Correct 502 ms 9936 KB Output is correct
54 Correct 680 ms 11644 KB Output is correct
55 Correct 698 ms 11896 KB Output is correct
56 Correct 525 ms 10332 KB Output is correct
57 Correct 709 ms 11896 KB Output is correct
58 Correct 709 ms 11640 KB Output is correct
59 Correct 694 ms 11768 KB Output is correct
60 Correct 654 ms 11228 KB Output is correct
61 Correct 693 ms 11768 KB Output is correct
62 Correct 594 ms 10844 KB Output is correct
63 Correct 590 ms 10872 KB Output is correct
64 Correct 580 ms 10664 KB Output is correct
65 Correct 537 ms 10220 KB Output is correct
66 Correct 523 ms 10076 KB Output is correct
67 Correct 894 ms 13280 KB Output is correct
68 Execution timed out 1080 ms 15736 KB Time limit exceeded
69 Halted 0 ms 0 KB -