Submission #172950

# Submission time Handle Problem Language Result Execution time Memory
172950 2020-01-02T19:12:24 Z LinusTorvaldsFan Bootfall (IZhO17_bootfall) C++14
65 / 100
1000 ms 12664 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]; 
 
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;
}
# 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 504 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
# 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 504 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 10 ms 1272 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 1272 KB Output is correct
14 Correct 9 ms 1272 KB Output is correct
15 Correct 9 ms 1272 KB Output is correct
16 Correct 8 ms 1272 KB Output is correct
17 Correct 6 ms 988 KB Output is correct
18 Correct 7 ms 1144 KB Output is correct
19 Correct 8 ms 1144 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 504 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 10 ms 1272 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 1272 KB Output is correct
14 Correct 9 ms 1272 KB Output is correct
15 Correct 9 ms 1272 KB Output is correct
16 Correct 8 ms 1272 KB Output is correct
17 Correct 6 ms 988 KB Output is correct
18 Correct 7 ms 1144 KB Output is correct
19 Correct 8 ms 1144 KB Output is correct
20 Correct 10 ms 1400 KB Output is correct
21 Correct 33 ms 2552 KB Output is correct
22 Correct 43 ms 2680 KB Output is correct
23 Correct 21 ms 1912 KB Output is correct
24 Correct 66 ms 3420 KB Output is correct
25 Correct 66 ms 3320 KB Output is correct
26 Correct 74 ms 3576 KB Output is correct
27 Correct 75 ms 3448 KB Output is correct
28 Correct 74 ms 3540 KB Output is correct
29 Correct 73 ms 3540 KB Output is correct
30 Correct 72 ms 3448 KB Output is correct
31 Correct 74 ms 3540 KB Output is correct
32 Correct 74 ms 3576 KB Output is correct
33 Correct 73 ms 3572 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 504 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 10 ms 1272 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 1272 KB Output is correct
14 Correct 9 ms 1272 KB Output is correct
15 Correct 9 ms 1272 KB Output is correct
16 Correct 8 ms 1272 KB Output is correct
17 Correct 6 ms 988 KB Output is correct
18 Correct 7 ms 1144 KB Output is correct
19 Correct 8 ms 1144 KB Output is correct
20 Correct 10 ms 1400 KB Output is correct
21 Correct 33 ms 2552 KB Output is correct
22 Correct 43 ms 2680 KB Output is correct
23 Correct 21 ms 1912 KB Output is correct
24 Correct 66 ms 3420 KB Output is correct
25 Correct 66 ms 3320 KB Output is correct
26 Correct 74 ms 3576 KB Output is correct
27 Correct 75 ms 3448 KB Output is correct
28 Correct 74 ms 3540 KB Output is correct
29 Correct 73 ms 3540 KB Output is correct
30 Correct 72 ms 3448 KB Output is correct
31 Correct 74 ms 3540 KB Output is correct
32 Correct 74 ms 3576 KB Output is correct
33 Correct 73 ms 3572 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 283 ms 6740 KB Output is correct
38 Correct 283 ms 6776 KB Output is correct
39 Correct 421 ms 8184 KB Output is correct
40 Correct 510 ms 8924 KB Output is correct
41 Correct 499 ms 8696 KB Output is correct
42 Correct 439 ms 8312 KB Output is correct
43 Correct 426 ms 8344 KB Output is correct
44 Correct 440 ms 8440 KB Output is correct
45 Correct 448 ms 8528 KB Output is correct
46 Correct 498 ms 8824 KB Output is correct
47 Correct 438 ms 8308 KB Output is correct
48 Correct 442 ms 8408 KB Output is correct
49 Correct 431 ms 8184 KB Output is correct
50 Correct 439 ms 8312 KB Output is correct
51 Correct 428 ms 8056 KB Output is correct
52 Correct 520 ms 9168 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 504 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 10 ms 1272 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 1272 KB Output is correct
14 Correct 9 ms 1272 KB Output is correct
15 Correct 9 ms 1272 KB Output is correct
16 Correct 8 ms 1272 KB Output is correct
17 Correct 6 ms 988 KB Output is correct
18 Correct 7 ms 1144 KB Output is correct
19 Correct 8 ms 1144 KB Output is correct
20 Correct 10 ms 1400 KB Output is correct
21 Correct 33 ms 2552 KB Output is correct
22 Correct 43 ms 2680 KB Output is correct
23 Correct 21 ms 1912 KB Output is correct
24 Correct 66 ms 3420 KB Output is correct
25 Correct 66 ms 3320 KB Output is correct
26 Correct 74 ms 3576 KB Output is correct
27 Correct 75 ms 3448 KB Output is correct
28 Correct 74 ms 3540 KB Output is correct
29 Correct 73 ms 3540 KB Output is correct
30 Correct 72 ms 3448 KB Output is correct
31 Correct 74 ms 3540 KB Output is correct
32 Correct 74 ms 3576 KB Output is correct
33 Correct 73 ms 3572 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 283 ms 6740 KB Output is correct
38 Correct 283 ms 6776 KB Output is correct
39 Correct 421 ms 8184 KB Output is correct
40 Correct 510 ms 8924 KB Output is correct
41 Correct 499 ms 8696 KB Output is correct
42 Correct 439 ms 8312 KB Output is correct
43 Correct 426 ms 8344 KB Output is correct
44 Correct 440 ms 8440 KB Output is correct
45 Correct 448 ms 8528 KB Output is correct
46 Correct 498 ms 8824 KB Output is correct
47 Correct 438 ms 8308 KB Output is correct
48 Correct 442 ms 8408 KB Output is correct
49 Correct 431 ms 8184 KB Output is correct
50 Correct 439 ms 8312 KB Output is correct
51 Correct 428 ms 8056 KB Output is correct
52 Correct 520 ms 9168 KB Output is correct
53 Correct 631 ms 9940 KB Output is correct
54 Correct 862 ms 11608 KB Output is correct
55 Correct 879 ms 11768 KB Output is correct
56 Correct 662 ms 10252 KB Output is correct
57 Correct 879 ms 11860 KB Output is correct
58 Correct 861 ms 11600 KB Output is correct
59 Correct 867 ms 11768 KB Output is correct
60 Correct 832 ms 11256 KB Output is correct
61 Correct 922 ms 11732 KB Output is correct
62 Correct 738 ms 10808 KB Output is correct
63 Correct 737 ms 10932 KB Output is correct
64 Correct 710 ms 10872 KB Output is correct
65 Correct 689 ms 10104 KB Output is correct
66 Correct 662 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 504 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 10 ms 1272 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 1272 KB Output is correct
14 Correct 9 ms 1272 KB Output is correct
15 Correct 9 ms 1272 KB Output is correct
16 Correct 8 ms 1272 KB Output is correct
17 Correct 6 ms 988 KB Output is correct
18 Correct 7 ms 1144 KB Output is correct
19 Correct 8 ms 1144 KB Output is correct
20 Correct 10 ms 1400 KB Output is correct
21 Correct 33 ms 2552 KB Output is correct
22 Correct 43 ms 2680 KB Output is correct
23 Correct 21 ms 1912 KB Output is correct
24 Correct 66 ms 3420 KB Output is correct
25 Correct 66 ms 3320 KB Output is correct
26 Correct 74 ms 3576 KB Output is correct
27 Correct 75 ms 3448 KB Output is correct
28 Correct 74 ms 3540 KB Output is correct
29 Correct 73 ms 3540 KB Output is correct
30 Correct 72 ms 3448 KB Output is correct
31 Correct 74 ms 3540 KB Output is correct
32 Correct 74 ms 3576 KB Output is correct
33 Correct 73 ms 3572 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 283 ms 6740 KB Output is correct
38 Correct 283 ms 6776 KB Output is correct
39 Correct 421 ms 8184 KB Output is correct
40 Correct 510 ms 8924 KB Output is correct
41 Correct 499 ms 8696 KB Output is correct
42 Correct 439 ms 8312 KB Output is correct
43 Correct 426 ms 8344 KB Output is correct
44 Correct 440 ms 8440 KB Output is correct
45 Correct 448 ms 8528 KB Output is correct
46 Correct 498 ms 8824 KB Output is correct
47 Correct 438 ms 8308 KB Output is correct
48 Correct 442 ms 8408 KB Output is correct
49 Correct 431 ms 8184 KB Output is correct
50 Correct 439 ms 8312 KB Output is correct
51 Correct 428 ms 8056 KB Output is correct
52 Correct 520 ms 9168 KB Output is correct
53 Correct 631 ms 9940 KB Output is correct
54 Correct 862 ms 11608 KB Output is correct
55 Correct 879 ms 11768 KB Output is correct
56 Correct 662 ms 10252 KB Output is correct
57 Correct 879 ms 11860 KB Output is correct
58 Correct 861 ms 11600 KB Output is correct
59 Correct 867 ms 11768 KB Output is correct
60 Correct 832 ms 11256 KB Output is correct
61 Correct 922 ms 11732 KB Output is correct
62 Correct 738 ms 10808 KB Output is correct
63 Correct 737 ms 10932 KB Output is correct
64 Correct 710 ms 10872 KB Output is correct
65 Correct 689 ms 10104 KB Output is correct
66 Correct 662 ms 10104 KB Output is correct
67 Execution timed out 1073 ms 12664 KB Time limit exceeded
68 Halted 0 ms 0 KB -