Submission #77121

# Submission time Handle Problem Language Result Execution time Memory
77121 2018-09-22T13:41:56 Z zetapi Bootfall (IZhO17_bootfall) C++14
65 / 100
1000 ms 12216 KB
#include "bits/stdc++.h"
using namespace std;

#define pb  push_back
#define mp  make_pair
#define ll  int
#define int int
#define itr iterator

typedef pair<ll,ll> pii;

const ll MAX=3e5+9;
const ll LIM=3e5;
const ll mod=1e9+7;

bitset<500*500+9> bs;

set<ll> candidate;

ll N,sum,arr[500*500+9],dp[500*500+9];

void add(ll X)
{
	sum+=X;
	for(int A=500*500;A>=X;A--)
	{
		dp[A]+=dp[A-X];
		if(dp[A]>=mod)
			dp[A]-=mod;
	}
	return ;
}

void remove(ll X)
{
	sum-=X;
	for(int A=X;A<=500*500;A++)
	{
		dp[A]-=dp[A-X];
		if(dp[A]<0)
			dp[A]+=mod;
	}
	return ;
}

signed main()
{
	ios_base::sync_with_stdio(false);

	dp[0]=1;
	cin>>N;
	for(int A=1;A<=N;A++)
	{
		cin>>arr[A];
		add(arr[A]);
	}
	if(sum%2 or (!dp[sum/2]))
		return cout<<0,0;
	for(int A=1;A<=sum;A++)
		candidate.insert(A);
	vector<int> lol;
	for(int A=1;A<=N;A++)
	{
		remove(arr[A]);
		lol.clear();
		for(auto B:candidate)
		{
			if(B>sum or (sum+B)%2 or (!dp[(sum+B)/2]))
				lol.pb(B);
		}
		for(auto B:lol)
			candidate.erase(B);
		add(arr[A]);
	}
	cout<<candidate.size()<<"\n";
	for(auto A:candidate)
		cout<<A<<" ";
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 10 ms 1404 KB Output is correct
3 Correct 4 ms 1452 KB Output is correct
4 Correct 9 ms 1472 KB Output is correct
5 Correct 13 ms 1516 KB Output is correct
6 Correct 10 ms 1516 KB Output is correct
7 Correct 9 ms 1516 KB Output is correct
8 Correct 14 ms 1556 KB Output is correct
9 Correct 12 ms 1556 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 10 ms 1404 KB Output is correct
3 Correct 4 ms 1452 KB Output is correct
4 Correct 9 ms 1472 KB Output is correct
5 Correct 13 ms 1516 KB Output is correct
6 Correct 10 ms 1516 KB Output is correct
7 Correct 9 ms 1516 KB Output is correct
8 Correct 14 ms 1556 KB Output is correct
9 Correct 12 ms 1556 KB Output is correct
10 Correct 35 ms 1644 KB Output is correct
11 Correct 35 ms 1644 KB Output is correct
12 Correct 31 ms 1644 KB Output is correct
13 Correct 25 ms 1644 KB Output is correct
14 Correct 28 ms 1644 KB Output is correct
15 Correct 30 ms 1644 KB Output is correct
16 Correct 39 ms 1644 KB Output is correct
17 Correct 19 ms 1644 KB Output is correct
18 Correct 24 ms 1644 KB Output is correct
19 Correct 25 ms 1644 KB Output is correct
20 Correct 28 ms 1664 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 10 ms 1404 KB Output is correct
3 Correct 4 ms 1452 KB Output is correct
4 Correct 9 ms 1472 KB Output is correct
5 Correct 13 ms 1516 KB Output is correct
6 Correct 10 ms 1516 KB Output is correct
7 Correct 9 ms 1516 KB Output is correct
8 Correct 14 ms 1556 KB Output is correct
9 Correct 12 ms 1556 KB Output is correct
10 Correct 35 ms 1644 KB Output is correct
11 Correct 35 ms 1644 KB Output is correct
12 Correct 31 ms 1644 KB Output is correct
13 Correct 25 ms 1644 KB Output is correct
14 Correct 28 ms 1644 KB Output is correct
15 Correct 30 ms 1644 KB Output is correct
16 Correct 39 ms 1644 KB Output is correct
17 Correct 19 ms 1644 KB Output is correct
18 Correct 24 ms 1644 KB Output is correct
19 Correct 25 ms 1644 KB Output is correct
20 Correct 28 ms 1664 KB Output is correct
21 Correct 60 ms 1796 KB Output is correct
22 Correct 70 ms 1796 KB Output is correct
23 Correct 46 ms 1796 KB Output is correct
24 Correct 86 ms 1820 KB Output is correct
25 Correct 84 ms 2076 KB Output is correct
26 Correct 97 ms 2220 KB Output is correct
27 Correct 100 ms 2220 KB Output is correct
28 Correct 99 ms 2220 KB Output is correct
29 Correct 86 ms 2220 KB Output is correct
30 Correct 92 ms 2220 KB Output is correct
31 Correct 89 ms 2220 KB Output is correct
32 Correct 89 ms 2220 KB Output is correct
33 Correct 86 ms 2224 KB Output is correct
34 Correct 93 ms 2344 KB Output is correct
35 Correct 90 ms 2344 KB Output is correct
36 Correct 96 ms 2344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 10 ms 1404 KB Output is correct
3 Correct 4 ms 1452 KB Output is correct
4 Correct 9 ms 1472 KB Output is correct
5 Correct 13 ms 1516 KB Output is correct
6 Correct 10 ms 1516 KB Output is correct
7 Correct 9 ms 1516 KB Output is correct
8 Correct 14 ms 1556 KB Output is correct
9 Correct 12 ms 1556 KB Output is correct
10 Correct 35 ms 1644 KB Output is correct
11 Correct 35 ms 1644 KB Output is correct
12 Correct 31 ms 1644 KB Output is correct
13 Correct 25 ms 1644 KB Output is correct
14 Correct 28 ms 1644 KB Output is correct
15 Correct 30 ms 1644 KB Output is correct
16 Correct 39 ms 1644 KB Output is correct
17 Correct 19 ms 1644 KB Output is correct
18 Correct 24 ms 1644 KB Output is correct
19 Correct 25 ms 1644 KB Output is correct
20 Correct 28 ms 1664 KB Output is correct
21 Correct 60 ms 1796 KB Output is correct
22 Correct 70 ms 1796 KB Output is correct
23 Correct 46 ms 1796 KB Output is correct
24 Correct 86 ms 1820 KB Output is correct
25 Correct 84 ms 2076 KB Output is correct
26 Correct 97 ms 2220 KB Output is correct
27 Correct 100 ms 2220 KB Output is correct
28 Correct 99 ms 2220 KB Output is correct
29 Correct 86 ms 2220 KB Output is correct
30 Correct 92 ms 2220 KB Output is correct
31 Correct 89 ms 2220 KB Output is correct
32 Correct 89 ms 2220 KB Output is correct
33 Correct 86 ms 2224 KB Output is correct
34 Correct 93 ms 2344 KB Output is correct
35 Correct 90 ms 2344 KB Output is correct
36 Correct 96 ms 2344 KB Output is correct
37 Correct 214 ms 2704 KB Output is correct
38 Correct 256 ms 2732 KB Output is correct
39 Correct 307 ms 4884 KB Output is correct
40 Correct 331 ms 4884 KB Output is correct
41 Correct 249 ms 5676 KB Output is correct
42 Correct 274 ms 5676 KB Output is correct
43 Correct 338 ms 5676 KB Output is correct
44 Correct 322 ms 5676 KB Output is correct
45 Correct 333 ms 5676 KB Output is correct
46 Correct 248 ms 5676 KB Output is correct
47 Correct 286 ms 5676 KB Output is correct
48 Correct 289 ms 5676 KB Output is correct
49 Correct 240 ms 5676 KB Output is correct
50 Correct 277 ms 5676 KB Output is correct
51 Correct 69 ms 5676 KB Output is correct
52 Correct 360 ms 5676 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 10 ms 1404 KB Output is correct
3 Correct 4 ms 1452 KB Output is correct
4 Correct 9 ms 1472 KB Output is correct
5 Correct 13 ms 1516 KB Output is correct
6 Correct 10 ms 1516 KB Output is correct
7 Correct 9 ms 1516 KB Output is correct
8 Correct 14 ms 1556 KB Output is correct
9 Correct 12 ms 1556 KB Output is correct
10 Correct 35 ms 1644 KB Output is correct
11 Correct 35 ms 1644 KB Output is correct
12 Correct 31 ms 1644 KB Output is correct
13 Correct 25 ms 1644 KB Output is correct
14 Correct 28 ms 1644 KB Output is correct
15 Correct 30 ms 1644 KB Output is correct
16 Correct 39 ms 1644 KB Output is correct
17 Correct 19 ms 1644 KB Output is correct
18 Correct 24 ms 1644 KB Output is correct
19 Correct 25 ms 1644 KB Output is correct
20 Correct 28 ms 1664 KB Output is correct
21 Correct 60 ms 1796 KB Output is correct
22 Correct 70 ms 1796 KB Output is correct
23 Correct 46 ms 1796 KB Output is correct
24 Correct 86 ms 1820 KB Output is correct
25 Correct 84 ms 2076 KB Output is correct
26 Correct 97 ms 2220 KB Output is correct
27 Correct 100 ms 2220 KB Output is correct
28 Correct 99 ms 2220 KB Output is correct
29 Correct 86 ms 2220 KB Output is correct
30 Correct 92 ms 2220 KB Output is correct
31 Correct 89 ms 2220 KB Output is correct
32 Correct 89 ms 2220 KB Output is correct
33 Correct 86 ms 2224 KB Output is correct
34 Correct 93 ms 2344 KB Output is correct
35 Correct 90 ms 2344 KB Output is correct
36 Correct 96 ms 2344 KB Output is correct
37 Correct 214 ms 2704 KB Output is correct
38 Correct 256 ms 2732 KB Output is correct
39 Correct 307 ms 4884 KB Output is correct
40 Correct 331 ms 4884 KB Output is correct
41 Correct 249 ms 5676 KB Output is correct
42 Correct 274 ms 5676 KB Output is correct
43 Correct 338 ms 5676 KB Output is correct
44 Correct 322 ms 5676 KB Output is correct
45 Correct 333 ms 5676 KB Output is correct
46 Correct 248 ms 5676 KB Output is correct
47 Correct 286 ms 5676 KB Output is correct
48 Correct 289 ms 5676 KB Output is correct
49 Correct 240 ms 5676 KB Output is correct
50 Correct 277 ms 5676 KB Output is correct
51 Correct 69 ms 5676 KB Output is correct
52 Correct 360 ms 5676 KB Output is correct
53 Correct 362 ms 5676 KB Output is correct
54 Correct 448 ms 5676 KB Output is correct
55 Correct 630 ms 7608 KB Output is correct
56 Correct 405 ms 7608 KB Output is correct
57 Correct 719 ms 7864 KB Output is correct
58 Correct 511 ms 7864 KB Output is correct
59 Correct 519 ms 7864 KB Output is correct
60 Correct 133 ms 7864 KB Output is correct
61 Correct 576 ms 7864 KB Output is correct
62 Correct 574 ms 7864 KB Output is correct
63 Correct 552 ms 7864 KB Output is correct
64 Correct 550 ms 7864 KB Output is correct
65 Correct 317 ms 7864 KB Output is correct
66 Correct 312 ms 7864 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 10 ms 1404 KB Output is correct
3 Correct 4 ms 1452 KB Output is correct
4 Correct 9 ms 1472 KB Output is correct
5 Correct 13 ms 1516 KB Output is correct
6 Correct 10 ms 1516 KB Output is correct
7 Correct 9 ms 1516 KB Output is correct
8 Correct 14 ms 1556 KB Output is correct
9 Correct 12 ms 1556 KB Output is correct
10 Correct 35 ms 1644 KB Output is correct
11 Correct 35 ms 1644 KB Output is correct
12 Correct 31 ms 1644 KB Output is correct
13 Correct 25 ms 1644 KB Output is correct
14 Correct 28 ms 1644 KB Output is correct
15 Correct 30 ms 1644 KB Output is correct
16 Correct 39 ms 1644 KB Output is correct
17 Correct 19 ms 1644 KB Output is correct
18 Correct 24 ms 1644 KB Output is correct
19 Correct 25 ms 1644 KB Output is correct
20 Correct 28 ms 1664 KB Output is correct
21 Correct 60 ms 1796 KB Output is correct
22 Correct 70 ms 1796 KB Output is correct
23 Correct 46 ms 1796 KB Output is correct
24 Correct 86 ms 1820 KB Output is correct
25 Correct 84 ms 2076 KB Output is correct
26 Correct 97 ms 2220 KB Output is correct
27 Correct 100 ms 2220 KB Output is correct
28 Correct 99 ms 2220 KB Output is correct
29 Correct 86 ms 2220 KB Output is correct
30 Correct 92 ms 2220 KB Output is correct
31 Correct 89 ms 2220 KB Output is correct
32 Correct 89 ms 2220 KB Output is correct
33 Correct 86 ms 2224 KB Output is correct
34 Correct 93 ms 2344 KB Output is correct
35 Correct 90 ms 2344 KB Output is correct
36 Correct 96 ms 2344 KB Output is correct
37 Correct 214 ms 2704 KB Output is correct
38 Correct 256 ms 2732 KB Output is correct
39 Correct 307 ms 4884 KB Output is correct
40 Correct 331 ms 4884 KB Output is correct
41 Correct 249 ms 5676 KB Output is correct
42 Correct 274 ms 5676 KB Output is correct
43 Correct 338 ms 5676 KB Output is correct
44 Correct 322 ms 5676 KB Output is correct
45 Correct 333 ms 5676 KB Output is correct
46 Correct 248 ms 5676 KB Output is correct
47 Correct 286 ms 5676 KB Output is correct
48 Correct 289 ms 5676 KB Output is correct
49 Correct 240 ms 5676 KB Output is correct
50 Correct 277 ms 5676 KB Output is correct
51 Correct 69 ms 5676 KB Output is correct
52 Correct 360 ms 5676 KB Output is correct
53 Correct 362 ms 5676 KB Output is correct
54 Correct 448 ms 5676 KB Output is correct
55 Correct 630 ms 7608 KB Output is correct
56 Correct 405 ms 7608 KB Output is correct
57 Correct 719 ms 7864 KB Output is correct
58 Correct 511 ms 7864 KB Output is correct
59 Correct 519 ms 7864 KB Output is correct
60 Correct 133 ms 7864 KB Output is correct
61 Correct 576 ms 7864 KB Output is correct
62 Correct 574 ms 7864 KB Output is correct
63 Correct 552 ms 7864 KB Output is correct
64 Correct 550 ms 7864 KB Output is correct
65 Correct 317 ms 7864 KB Output is correct
66 Correct 312 ms 7864 KB Output is correct
67 Correct 681 ms 7864 KB Output is correct
68 Correct 174 ms 7864 KB Output is correct
69 Execution timed out 1090 ms 12216 KB Time limit exceeded
70 Halted 0 ms 0 KB -