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Submission #77115

# Submission time Handle Problem Language Result Execution time Memory
77115 2018-09-22T13:25:59 Z zetapi Bootfall (IZhO17_bootfall) C++14
44 / 100
 1000 ms 3996 KB 
#include "bits/stdc++.h"
using namespace std;

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

typedef pair<ll,ll> pii;

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

bitset<LIM> bs;

ll N,sum,arr[MAX],dp[MAX];

void TakeMod(ll &X,ll Y)
{
	while(X<0)
		X+=Y;
	while(X>=Y)
		X-=Y;
	return ;
}

void add(ll X)
{
	sum+=X;
	for(int A=LIM;A>=X;A--)
	{
		dp[A]+=dp[A-X];
		TakeMod(dp[A],mod);
	}
	return ;
}

void remove(ll X)
{
	sum-=X;
	for(int A=X;A<LIM;A++)
	{
		dp[A]-=dp[A-X];
		TakeMod(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<=LIM;A++)
		bs[A]=1;
	for(int A=1;A<=N;A++)
	{
		remove(arr[A]);
		for(int B=1;B<=LIM;B++)
			if(B>sum or (sum+B)%2 or (!dp[(sum+B)/2]))
				bs[B]=0;
		add(arr[A]);
	}
	vector<int> vec;
	for(int A=1;A<=sum;A++)
		if(bs[A])
			vec.pb(A);
	cout<<vec.size()<<"\n";
	for(auto A:vec)
		cout<<A<<" ";
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2680 KB Output is correct
2 Correct 17 ms 2816 KB Output is correct
3 Correct 6 ms 2848 KB Output is correct
4 Correct 14 ms 3032 KB Output is correct
5 Correct 30 ms 3032 KB Output is correct
6 Correct 21 ms 3032 KB Output is correct
7 Correct 17 ms 3032 KB Output is correct
8 Correct 28 ms 3032 KB Output is correct
9 Correct 25 ms 3080 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2680 KB Output is correct
2 Correct 17 ms 2816 KB Output is correct
3 Correct 6 ms 2848 KB Output is correct
4 Correct 14 ms 3032 KB Output is correct
5 Correct 30 ms 3032 KB Output is correct
6 Correct 21 ms 3032 KB Output is correct
7 Correct 17 ms 3032 KB Output is correct
8 Correct 28 ms 3032 KB Output is correct
9 Correct 25 ms 3080 KB Output is correct
10 Correct 62 ms 3084 KB Output is correct
11 Correct 68 ms 3084 KB Output is correct
12 Correct 64 ms 3084 KB Output is correct
13 Correct 55 ms 3084 KB Output is correct
14 Correct 59 ms 3084 KB Output is correct
15 Correct 68 ms 3084 KB Output is correct
16 Correct 70 ms 3084 KB Output is correct
17 Correct 40 ms 3084 KB Output is correct
18 Correct 53 ms 3116 KB Output is correct
19 Correct 55 ms 3116 KB Output is correct
20 Correct 66 ms 3116 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2680 KB Output is correct
2 Correct 17 ms 2816 KB Output is correct
3 Correct 6 ms 2848 KB Output is correct
4 Correct 14 ms 3032 KB Output is correct
5 Correct 30 ms 3032 KB Output is correct
6 Correct 21 ms 3032 KB Output is correct
7 Correct 17 ms 3032 KB Output is correct
8 Correct 28 ms 3032 KB Output is correct
9 Correct 25 ms 3080 KB Output is correct
10 Correct 62 ms 3084 KB Output is correct
11 Correct 68 ms 3084 KB Output is correct
12 Correct 64 ms 3084 KB Output is correct
13 Correct 55 ms 3084 KB Output is correct
14 Correct 59 ms 3084 KB Output is correct
15 Correct 68 ms 3084 KB Output is correct
16 Correct 70 ms 3084 KB Output is correct
17 Correct 40 ms 3084 KB Output is correct
18 Correct 53 ms 3116 KB Output is correct
19 Correct 55 ms 3116 KB Output is correct
20 Correct 66 ms 3116 KB Output is correct
21 Correct 137 ms 3160 KB Output is correct
22 Correct 179 ms 3160 KB Output is correct
23 Correct 110 ms 3216 KB Output is correct
24 Correct 197 ms 3216 KB Output is correct
25 Correct 242 ms 3312 KB Output is correct
26 Correct 217 ms 3312 KB Output is correct
27 Correct 209 ms 3312 KB Output is correct
28 Correct 209 ms 3324 KB Output is correct
29 Correct 204 ms 3344 KB Output is correct
30 Correct 208 ms 3344 KB Output is correct
31 Correct 241 ms 3356 KB Output is correct
32 Correct 215 ms 3360 KB Output is correct
33 Correct 205 ms 3364 KB Output is correct
34 Correct 226 ms 3368 KB Output is correct
35 Correct 226 ms 3372 KB Output is correct
36 Correct 203 ms 3536 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2680 KB Output is correct
2 Correct 17 ms 2816 KB Output is correct
3 Correct 6 ms 2848 KB Output is correct
4 Correct 14 ms 3032 KB Output is correct
5 Correct 30 ms 3032 KB Output is correct
6 Correct 21 ms 3032 KB Output is correct
7 Correct 17 ms 3032 KB Output is correct
8 Correct 28 ms 3032 KB Output is correct
9 Correct 25 ms 3080 KB Output is correct
10 Correct 62 ms 3084 KB Output is correct
11 Correct 68 ms 3084 KB Output is correct
12 Correct 64 ms 3084 KB Output is correct
13 Correct 55 ms 3084 KB Output is correct
14 Correct 59 ms 3084 KB Output is correct
15 Correct 68 ms 3084 KB Output is correct
16 Correct 70 ms 3084 KB Output is correct
17 Correct 40 ms 3084 KB Output is correct
18 Correct 53 ms 3116 KB Output is correct
19 Correct 55 ms 3116 KB Output is correct
20 Correct 66 ms 3116 KB Output is correct
21 Correct 137 ms 3160 KB Output is correct
22 Correct 179 ms 3160 KB Output is correct
23 Correct 110 ms 3216 KB Output is correct
24 Correct 197 ms 3216 KB Output is correct
25 Correct 242 ms 3312 KB Output is correct
26 Correct 217 ms 3312 KB Output is correct
27 Correct 209 ms 3312 KB Output is correct
28 Correct 209 ms 3324 KB Output is correct
29 Correct 204 ms 3344 KB Output is correct
30 Correct 208 ms 3344 KB Output is correct
31 Correct 241 ms 3356 KB Output is correct
32 Correct 215 ms 3360 KB Output is correct
33 Correct 205 ms 3364 KB Output is correct
34 Correct 226 ms 3368 KB Output is correct
35 Correct 226 ms 3372 KB Output is correct
36 Correct 203 ms 3536 KB Output is correct
37 Correct 483 ms 3600 KB Output is correct
38 Correct 444 ms 3672 KB Output is correct
39 Correct 516 ms 3672 KB Output is correct
40 Correct 688 ms 3744 KB Output is correct
41 Correct 545 ms 3744 KB Output is correct
42 Correct 638 ms 3816 KB Output is correct
43 Correct 654 ms 3948 KB Output is correct
44 Correct 695 ms 3948 KB Output is correct
45 Correct 645 ms 3948 KB Output is correct
46 Correct 620 ms 3948 KB Output is correct
47 Correct 602 ms 3948 KB Output is correct
48 Correct 634 ms 3968 KB Output is correct
49 Correct 624 ms 3968 KB Output is correct
50 Correct 649 ms 3968 KB Output is correct
51 Correct 122 ms 3968 KB Output is correct
52 Correct 748 ms 3968 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2680 KB Output is correct
2 Correct 17 ms 2816 KB Output is correct
3 Correct 6 ms 2848 KB Output is correct
4 Correct 14 ms 3032 KB Output is correct
5 Correct 30 ms 3032 KB Output is correct
6 Correct 21 ms 3032 KB Output is correct
7 Correct 17 ms 3032 KB Output is correct
8 Correct 28 ms 3032 KB Output is correct
9 Correct 25 ms 3080 KB Output is correct
10 Correct 62 ms 3084 KB Output is correct
11 Correct 68 ms 3084 KB Output is correct
12 Correct 64 ms 3084 KB Output is correct
13 Correct 55 ms 3084 KB Output is correct
14 Correct 59 ms 3084 KB Output is correct
15 Correct 68 ms 3084 KB Output is correct
16 Correct 70 ms 3084 KB Output is correct
17 Correct 40 ms 3084 KB Output is correct
18 Correct 53 ms 3116 KB Output is correct
19 Correct 55 ms 3116 KB Output is correct
20 Correct 66 ms 3116 KB Output is correct
21 Correct 137 ms 3160 KB Output is correct
22 Correct 179 ms 3160 KB Output is correct
23 Correct 110 ms 3216 KB Output is correct
24 Correct 197 ms 3216 KB Output is correct
25 Correct 242 ms 3312 KB Output is correct
26 Correct 217 ms 3312 KB Output is correct
27 Correct 209 ms 3312 KB Output is correct
28 Correct 209 ms 3324 KB Output is correct
29 Correct 204 ms 3344 KB Output is correct
30 Correct 208 ms 3344 KB Output is correct
31 Correct 241 ms 3356 KB Output is correct
32 Correct 215 ms 3360 KB Output is correct
33 Correct 205 ms 3364 KB Output is correct
34 Correct 226 ms 3368 KB Output is correct
35 Correct 226 ms 3372 KB Output is correct
36 Correct 203 ms 3536 KB Output is correct
37 Correct 483 ms 3600 KB Output is correct
38 Correct 444 ms 3672 KB Output is correct
39 Correct 516 ms 3672 KB Output is correct
40 Correct 688 ms 3744 KB Output is correct
41 Correct 545 ms 3744 KB Output is correct
42 Correct 638 ms 3816 KB Output is correct
43 Correct 654 ms 3948 KB Output is correct
44 Correct 695 ms 3948 KB Output is correct
45 Correct 645 ms 3948 KB Output is correct
46 Correct 620 ms 3948 KB Output is correct
47 Correct 602 ms 3948 KB Output is correct
48 Correct 634 ms 3968 KB Output is correct
49 Correct 624 ms 3968 KB Output is correct
50 Correct 649 ms 3968 KB Output is correct
51 Correct 122 ms 3968 KB Output is correct
52 Correct 748 ms 3968 KB Output is correct
53 Correct 814 ms 3968 KB Output is correct
54 Execution timed out 1002 ms 3996 KB Time limit exceeded
55 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 2680 KB Output is correct
2 Correct 17 ms 2816 KB Output is correct
3 Correct 6 ms 2848 KB Output is correct
4 Correct 14 ms 3032 KB Output is correct
5 Correct 30 ms 3032 KB Output is correct
6 Correct 21 ms 3032 KB Output is correct
7 Correct 17 ms 3032 KB Output is correct
8 Correct 28 ms 3032 KB Output is correct
9 Correct 25 ms 3080 KB Output is correct
10 Correct 62 ms 3084 KB Output is correct
11 Correct 68 ms 3084 KB Output is correct
12 Correct 64 ms 3084 KB Output is correct
13 Correct 55 ms 3084 KB Output is correct
14 Correct 59 ms 3084 KB Output is correct
15 Correct 68 ms 3084 KB Output is correct
16 Correct 70 ms 3084 KB Output is correct
17 Correct 40 ms 3084 KB Output is correct
18 Correct 53 ms 3116 KB Output is correct
19 Correct 55 ms 3116 KB Output is correct
20 Correct 66 ms 3116 KB Output is correct
21 Correct 137 ms 3160 KB Output is correct
22 Correct 179 ms 3160 KB Output is correct
23 Correct 110 ms 3216 KB Output is correct
24 Correct 197 ms 3216 KB Output is correct
25 Correct 242 ms 3312 KB Output is correct
26 Correct 217 ms 3312 KB Output is correct
27 Correct 209 ms 3312 KB Output is correct
28 Correct 209 ms 3324 KB Output is correct
29 Correct 204 ms 3344 KB Output is correct
30 Correct 208 ms 3344 KB Output is correct
31 Correct 241 ms 3356 KB Output is correct
32 Correct 215 ms 3360 KB Output is correct
33 Correct 205 ms 3364 KB Output is correct
34 Correct 226 ms 3368 KB Output is correct
35 Correct 226 ms 3372 KB Output is correct
36 Correct 203 ms 3536 KB Output is correct
37 Correct 483 ms 3600 KB Output is correct
38 Correct 444 ms 3672 KB Output is correct
39 Correct 516 ms 3672 KB Output is correct
40 Correct 688 ms 3744 KB Output is correct
41 Correct 545 ms 3744 KB Output is correct
42 Correct 638 ms 3816 KB Output is correct
43 Correct 654 ms 3948 KB Output is correct
44 Correct 695 ms 3948 KB Output is correct
45 Correct 645 ms 3948 KB Output is correct
46 Correct 620 ms 3948 KB Output is correct
47 Correct 602 ms 3948 KB Output is correct
48 Correct 634 ms 3968 KB Output is correct
49 Correct 624 ms 3968 KB Output is correct
50 Correct 649 ms 3968 KB Output is correct
51 Correct 122 ms 3968 KB Output is correct
52 Correct 748 ms 3968 KB Output is correct
53 Correct 814 ms 3968 KB Output is correct
54 Execution timed out 1002 ms 3996 KB Time limit exceeded
55 Halted 0 ms 0 KB -