oj.uz

Submission #172945

# Submission time Handle Problem Language Result Execution time Memory
172945 2020-01-02T19:08:15 Z LinusTorvaldsFan Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 15736 KB 
#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

# Verdict Execution time Memory Grader output
1 Correct 2 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 2 ms 504 KB Output is correct
5 Correct 3 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 3 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 2 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 2 ms 504 KB Output is correct
5 Correct 3 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 3 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 8 ms 1368 KB Output is correct
12 Correct 9 ms 1400 KB Output is correct
13 Correct 7 ms 1144 KB Output is correct
14 Correct 7 ms 1276 KB Output is correct
15 Correct 7 ms 1272 KB Output is correct
16 Correct 8 ms 1400 KB Output is correct
17 Correct 5 ms 1016 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 2 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 2 ms 504 KB Output is correct
5 Correct 3 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 3 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 8 ms 1368 KB Output is correct
12 Correct 9 ms 1400 KB Output is correct
13 Correct 7 ms 1144 KB Output is correct
14 Correct 7 ms 1276 KB Output is correct
15 Correct 7 ms 1272 KB Output is correct
16 Correct 8 ms 1400 KB Output is correct
17 Correct 5 ms 1016 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 26 ms 2480 KB Output is correct
22 Correct 33 ms 2788 KB Output is correct
23 Correct 17 ms 2012 KB Output is correct
24 Correct 52 ms 3320 KB Output is correct
25 Correct 52 ms 3420 KB Output is correct
26 Correct 58 ms 3676 KB Output is correct
27 Correct 58 ms 3576 KB Output is correct
28 Correct 58 ms 3576 KB Output is correct
29 Correct 57 ms 3576 KB Output is correct
30 Correct 56 ms 3448 KB Output is correct
31 Correct 58 ms 3548 KB Output is correct
32 Correct 58 ms 3576 KB Output is correct
33 Correct 57 ms 3580 KB Output is correct
34 Correct 57 ms 3576 KB Output is correct
35 Correct 57 ms 3576 KB Output is correct
36 Correct 58 ms 3544 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 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 2 ms 504 KB Output is correct
5 Correct 3 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 3 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 8 ms 1368 KB Output is correct
12 Correct 9 ms 1400 KB Output is correct
13 Correct 7 ms 1144 KB Output is correct
14 Correct 7 ms 1276 KB Output is correct
15 Correct 7 ms 1272 KB Output is correct
16 Correct 8 ms 1400 KB Output is correct
17 Correct 5 ms 1016 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 26 ms 2480 KB Output is correct
22 Correct 33 ms 2788 KB Output is correct
23 Correct 17 ms 2012 KB Output is correct
24 Correct 52 ms 3320 KB Output is correct
25 Correct 52 ms 3420 KB Output is correct
26 Correct 58 ms 3676 KB Output is correct
27 Correct 58 ms 3576 KB Output is correct
28 Correct 58 ms 3576 KB Output is correct
29 Correct 57 ms 3576 KB Output is correct
30 Correct 56 ms 3448 KB Output is correct
31 Correct 58 ms 3548 KB Output is correct
32 Correct 58 ms 3576 KB Output is correct
33 Correct 57 ms 3580 KB Output is correct
34 Correct 57 ms 3576 KB Output is correct
35 Correct 57 ms 3576 KB Output is correct
36 Correct 58 ms 3544 KB Output is correct
37 Correct 219 ms 6748 KB Output is correct
38 Correct 219 ms 6776 KB Output is correct
39 Correct 326 ms 8088 KB Output is correct
40 Correct 395 ms 8952 KB Output is correct
41 Correct 384 ms 8828 KB Output is correct
42 Correct 339 ms 8312 KB Output is correct
43 Correct 330 ms 8440 KB Output is correct
44 Correct 340 ms 8540 KB Output is correct
45 Correct 346 ms 8568 KB Output is correct
46 Correct 381 ms 8824 KB Output is correct
47 Correct 342 ms 8288 KB Output is correct
48 Correct 341 ms 8440 KB Output is correct
49 Correct 333 ms 8184 KB Output is correct
50 Correct 341 ms 8440 KB Output is correct
51 Correct 329 ms 8184 KB Output is correct
52 Correct 402 ms 9208 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 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 2 ms 504 KB Output is correct
5 Correct 3 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 3 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 8 ms 1368 KB Output is correct
12 Correct 9 ms 1400 KB Output is correct
13 Correct 7 ms 1144 KB Output is correct
14 Correct 7 ms 1276 KB Output is correct
15 Correct 7 ms 1272 KB Output is correct
16 Correct 8 ms 1400 KB Output is correct
17 Correct 5 ms 1016 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 26 ms 2480 KB Output is correct
22 Correct 33 ms 2788 KB Output is correct
23 Correct 17 ms 2012 KB Output is correct
24 Correct 52 ms 3320 KB Output is correct
25 Correct 52 ms 3420 KB Output is correct
26 Correct 58 ms 3676 KB Output is correct
27 Correct 58 ms 3576 KB Output is correct
28 Correct 58 ms 3576 KB Output is correct
29 Correct 57 ms 3576 KB Output is correct
30 Correct 56 ms 3448 KB Output is correct
31 Correct 58 ms 3548 KB Output is correct
32 Correct 58 ms 3576 KB Output is correct
33 Correct 57 ms 3580 KB Output is correct
34 Correct 57 ms 3576 KB Output is correct
35 Correct 57 ms 3576 KB Output is correct
36 Correct 58 ms 3544 KB Output is correct
37 Correct 219 ms 6748 KB Output is correct
38 Correct 219 ms 6776 KB Output is correct
39 Correct 326 ms 8088 KB Output is correct
40 Correct 395 ms 8952 KB Output is correct
41 Correct 384 ms 8828 KB Output is correct
42 Correct 339 ms 8312 KB Output is correct
43 Correct 330 ms 8440 KB Output is correct
44 Correct 340 ms 8540 KB Output is correct
45 Correct 346 ms 8568 KB Output is correct
46 Correct 381 ms 8824 KB Output is correct
47 Correct 342 ms 8288 KB Output is correct
48 Correct 341 ms 8440 KB Output is correct
49 Correct 333 ms 8184 KB Output is correct
50 Correct 341 ms 8440 KB Output is correct
51 Correct 329 ms 8184 KB Output is correct
52 Correct 402 ms 9208 KB Output is correct
53 Correct 490 ms 9940 KB Output is correct
54 Correct 663 ms 11512 KB Output is correct
55 Correct 680 ms 11896 KB Output is correct
56 Correct 515 ms 10248 KB Output is correct
57 Correct 687 ms 11864 KB Output is correct
58 Correct 666 ms 11640 KB Output is correct
59 Correct 670 ms 11784 KB Output is correct
60 Correct 637 ms 11128 KB Output is correct
61 Correct 676 ms 11732 KB Output is correct
62 Correct 572 ms 10872 KB Output is correct
63 Correct 573 ms 10940 KB Output is correct
64 Correct 555 ms 10872 KB Output is correct
65 Correct 527 ms 10176 KB Output is correct
66 Correct 509 ms 10104 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 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 2 ms 504 KB Output is correct
5 Correct 3 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 3 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 8 ms 1368 KB Output is correct
12 Correct 9 ms 1400 KB Output is correct
13 Correct 7 ms 1144 KB Output is correct
14 Correct 7 ms 1276 KB Output is correct
15 Correct 7 ms 1272 KB Output is correct
16 Correct 8 ms 1400 KB Output is correct
17 Correct 5 ms 1016 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 26 ms 2480 KB Output is correct
22 Correct 33 ms 2788 KB Output is correct
23 Correct 17 ms 2012 KB Output is correct
24 Correct 52 ms 3320 KB Output is correct
25 Correct 52 ms 3420 KB Output is correct
26 Correct 58 ms 3676 KB Output is correct
27 Correct 58 ms 3576 KB Output is correct
28 Correct 58 ms 3576 KB Output is correct
29 Correct 57 ms 3576 KB Output is correct
30 Correct 56 ms 3448 KB Output is correct
31 Correct 58 ms 3548 KB Output is correct
32 Correct 58 ms 3576 KB Output is correct
33 Correct 57 ms 3580 KB Output is correct
34 Correct 57 ms 3576 KB Output is correct
35 Correct 57 ms 3576 KB Output is correct
36 Correct 58 ms 3544 KB Output is correct
37 Correct 219 ms 6748 KB Output is correct
38 Correct 219 ms 6776 KB Output is correct
39 Correct 326 ms 8088 KB Output is correct
40 Correct 395 ms 8952 KB Output is correct
41 Correct 384 ms 8828 KB Output is correct
42 Correct 339 ms 8312 KB Output is correct
43 Correct 330 ms 8440 KB Output is correct
44 Correct 340 ms 8540 KB Output is correct
45 Correct 346 ms 8568 KB Output is correct
46 Correct 381 ms 8824 KB Output is correct
47 Correct 342 ms 8288 KB Output is correct
48 Correct 341 ms 8440 KB Output is correct
49 Correct 333 ms 8184 KB Output is correct
50 Correct 341 ms 8440 KB Output is correct
51 Correct 329 ms 8184 KB Output is correct
52 Correct 402 ms 9208 KB Output is correct
53 Correct 490 ms 9940 KB Output is correct
54 Correct 663 ms 11512 KB Output is correct
55 Correct 680 ms 11896 KB Output is correct
56 Correct 515 ms 10248 KB Output is correct
57 Correct 687 ms 11864 KB Output is correct
58 Correct 666 ms 11640 KB Output is correct
59 Correct 670 ms 11784 KB Output is correct
60 Correct 637 ms 11128 KB Output is correct
61 Correct 676 ms 11732 KB Output is correct
62 Correct 572 ms 10872 KB Output is correct
63 Correct 573 ms 10940 KB Output is correct
64 Correct 555 ms 10872 KB Output is correct
65 Correct 527 ms 10176 KB Output is correct
66 Correct 509 ms 10104 KB Output is correct
67 Correct 879 ms 13276 KB Output is correct
68 Execution timed out 1084 ms 15736 KB Time limit exceeded
69 Halted 0 ms 0 KB -