oj.uz

Submission #172947

# Submission time Handle Problem Language Result Execution time Memory
172947 2020-01-02T19:10:08 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 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 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 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 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 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 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 8 ms 1400 KB Output is correct
12 Correct 8 ms 1400 KB Output is correct
13 Correct 9 ms 1272 KB Output is correct
14 Correct 7 ms 1272 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 7 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 7 ms 1272 KB Output is correct
20 Correct 10 ms 1528 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory 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 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 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 8 ms 1400 KB Output is correct
12 Correct 8 ms 1400 KB Output is correct
13 Correct 9 ms 1272 KB Output is correct
14 Correct 7 ms 1272 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 7 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 7 ms 1272 KB Output is correct
20 Correct 10 ms 1528 KB Output is correct
21 Correct 28 ms 2424 KB Output is correct
22 Correct 35 ms 2808 KB Output is correct
23 Correct 19 ms 2040 KB Output is correct
24 Correct 53 ms 3316 KB Output is correct
25 Correct 53 ms 3320 KB Output is correct
26 Correct 62 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 59 ms 3548 KB Output is correct
30 Correct 63 ms 3576 KB Output is correct
31 Correct 60 ms 3584 KB Output is correct
32 Correct 59 ms 3576 KB Output is correct
33 Correct 66 ms 3448 KB Output is correct
34 Correct 59 ms 3452 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 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 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 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 8 ms 1400 KB Output is correct
12 Correct 8 ms 1400 KB Output is correct
13 Correct 9 ms 1272 KB Output is correct
14 Correct 7 ms 1272 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 7 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 7 ms 1272 KB Output is correct
20 Correct 10 ms 1528 KB Output is correct
21 Correct 28 ms 2424 KB Output is correct
22 Correct 35 ms 2808 KB Output is correct
23 Correct 19 ms 2040 KB Output is correct
24 Correct 53 ms 3316 KB Output is correct
25 Correct 53 ms 3320 KB Output is correct
26 Correct 62 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 59 ms 3548 KB Output is correct
30 Correct 63 ms 3576 KB Output is correct
31 Correct 60 ms 3584 KB Output is correct
32 Correct 59 ms 3576 KB Output is correct
33 Correct 66 ms 3448 KB Output is correct
34 Correct 59 ms 3452 KB Output is correct
35 Correct 58 ms 3548 KB Output is correct
36 Correct 60 ms 3548 KB Output is correct
37 Correct 225 ms 6752 KB Output is correct
38 Correct 234 ms 6748 KB Output is correct
39 Correct 341 ms 8056 KB Output is correct
40 Correct 432 ms 8952 KB Output is correct
41 Correct 396 ms 8824 KB Output is correct
42 Correct 348 ms 8412 KB Output is correct
43 Correct 339 ms 8440 KB Output is correct
44 Correct 350 ms 8412 KB Output is correct
45 Correct 355 ms 8644 KB Output is correct
46 Correct 390 ms 8696 KB Output is correct
47 Correct 350 ms 8444 KB Output is correct
48 Correct 350 ms 8412 KB Output is correct
49 Correct 340 ms 8156 KB Output is correct
50 Correct 349 ms 8312 KB Output is correct
51 Correct 339 ms 8184 KB Output is correct
52 Correct 415 ms 9180 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory 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 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 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 8 ms 1400 KB Output is correct
12 Correct 8 ms 1400 KB Output is correct
13 Correct 9 ms 1272 KB Output is correct
14 Correct 7 ms 1272 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 7 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 7 ms 1272 KB Output is correct
20 Correct 10 ms 1528 KB Output is correct
21 Correct 28 ms 2424 KB Output is correct
22 Correct 35 ms 2808 KB Output is correct
23 Correct 19 ms 2040 KB Output is correct
24 Correct 53 ms 3316 KB Output is correct
25 Correct 53 ms 3320 KB Output is correct
26 Correct 62 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 59 ms 3548 KB Output is correct
30 Correct 63 ms 3576 KB Output is correct
31 Correct 60 ms 3584 KB Output is correct
32 Correct 59 ms 3576 KB Output is correct
33 Correct 66 ms 3448 KB Output is correct
34 Correct 59 ms 3452 KB Output is correct
35 Correct 58 ms 3548 KB Output is correct
36 Correct 60 ms 3548 KB Output is correct
37 Correct 225 ms 6752 KB Output is correct
38 Correct 234 ms 6748 KB Output is correct
39 Correct 341 ms 8056 KB Output is correct
40 Correct 432 ms 8952 KB Output is correct
41 Correct 396 ms 8824 KB Output is correct
42 Correct 348 ms 8412 KB Output is correct
43 Correct 339 ms 8440 KB Output is correct
44 Correct 350 ms 8412 KB Output is correct
45 Correct 355 ms 8644 KB Output is correct
46 Correct 390 ms 8696 KB Output is correct
47 Correct 350 ms 8444 KB Output is correct
48 Correct 350 ms 8412 KB Output is correct
49 Correct 340 ms 8156 KB Output is correct
50 Correct 349 ms 8312 KB Output is correct
51 Correct 339 ms 8184 KB Output is correct
52 Correct 415 ms 9180 KB Output is correct
53 Correct 504 ms 9936 KB Output is correct
54 Correct 688 ms 11612 KB Output is correct
55 Correct 698 ms 11896 KB Output is correct
56 Correct 533 ms 10360 KB Output is correct
57 Correct 704 ms 11860 KB Output is correct
58 Correct 681 ms 11604 KB Output is correct
59 Correct 686 ms 11768 KB Output is correct
60 Correct 654 ms 11224 KB Output is correct
61 Correct 692 ms 11768 KB Output is correct
62 Correct 596 ms 10872 KB Output is correct
63 Correct 595 ms 10976 KB Output is correct
64 Correct 569 ms 10732 KB Output is correct
65 Correct 540 ms 10232 KB Output is correct
66 Correct 524 ms 10028 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory 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 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 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 8 ms 1400 KB Output is correct
12 Correct 8 ms 1400 KB Output is correct
13 Correct 9 ms 1272 KB Output is correct
14 Correct 7 ms 1272 KB Output is correct
15 Correct 8 ms 1272 KB Output is correct
16 Correct 7 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 7 ms 1272 KB Output is correct
20 Correct 10 ms 1528 KB Output is correct
21 Correct 28 ms 2424 KB Output is correct
22 Correct 35 ms 2808 KB Output is correct
23 Correct 19 ms 2040 KB Output is correct
24 Correct 53 ms 3316 KB Output is correct
25 Correct 53 ms 3320 KB Output is correct
26 Correct 62 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 59 ms 3548 KB Output is correct
30 Correct 63 ms 3576 KB Output is correct
31 Correct 60 ms 3584 KB Output is correct
32 Correct 59 ms 3576 KB Output is correct
33 Correct 66 ms 3448 KB Output is correct
34 Correct 59 ms 3452 KB Output is correct
35 Correct 58 ms 3548 KB Output is correct
36 Correct 60 ms 3548 KB Output is correct
37 Correct 225 ms 6752 KB Output is correct
38 Correct 234 ms 6748 KB Output is correct
39 Correct 341 ms 8056 KB Output is correct
40 Correct 432 ms 8952 KB Output is correct
41 Correct 396 ms 8824 KB Output is correct
42 Correct 348 ms 8412 KB Output is correct
43 Correct 339 ms 8440 KB Output is correct
44 Correct 350 ms 8412 KB Output is correct
45 Correct 355 ms 8644 KB Output is correct
46 Correct 390 ms 8696 KB Output is correct
47 Correct 350 ms 8444 KB Output is correct
48 Correct 350 ms 8412 KB Output is correct
49 Correct 340 ms 8156 KB Output is correct
50 Correct 349 ms 8312 KB Output is correct
51 Correct 339 ms 8184 KB Output is correct
52 Correct 415 ms 9180 KB Output is correct
53 Correct 504 ms 9936 KB Output is correct
54 Correct 688 ms 11612 KB Output is correct
55 Correct 698 ms 11896 KB Output is correct
56 Correct 533 ms 10360 KB Output is correct
57 Correct 704 ms 11860 KB Output is correct
58 Correct 681 ms 11604 KB Output is correct
59 Correct 686 ms 11768 KB Output is correct
60 Correct 654 ms 11224 KB Output is correct
61 Correct 692 ms 11768 KB Output is correct
62 Correct 596 ms 10872 KB Output is correct
63 Correct 595 ms 10976 KB Output is correct
64 Correct 569 ms 10732 KB Output is correct
65 Correct 540 ms 10232 KB Output is correct
66 Correct 524 ms 10028 KB Output is correct
67 Correct 894 ms 13280 KB Output is correct
68 Execution timed out 1070 ms 15736 KB Time limit exceeded
69 Halted 0 ms 0 KB -