oj.uz

Submission #888375

# Submission time Handle Problem Language Result Execution time Memory
888375 2023-12-17T08:21:45 Z pcc Bootfall (IZhO17_bootfall) C++14
44 / 100
 255 ms 180392 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>

const int mxn = 510;
const int C = mxn*(mxn-1)/2;
int mod = 998244353;
int arr[mxn];
int dp[C];
int del[mxn][C];
int n;
int sum = 0;

inline ll mad(int a,int b){
	a += b;
	return a>=mod?a-mod:a;
}
inline ll mub(int a,int b){
	return mad(a,mod-b);
}

inline bool check(int now){
	if(sum&1)return false;
	if(!dp[sum>>1])return false;
	int tsum = sum+now;
	for(int i = 1;i<=n;i++){
		tsum -= arr[i];
		if(tsum&1)return false;
		if(tsum/2<now)return false;
		if(!del[i][tsum>>1])return false;
		tsum += arr[i];
	}
	return true;
}

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>n;
	dp[0] = 1;
	for(int i = 1;i<=n;i++){
		cin>>arr[i];
		sum += arr[i];
		for(int j = C-1;j>=arr[i];j--)dp[j] =mad(dp[j],dp[j-arr[i]]);
	}
	for(int i = 1;i<=n;i++){
		for(int j = 0;j<C;j++)del[i][j] = dp[j];
		for(int j = arr[i];j<C;j++)del[i][j] = mub(del[i][j],del[i][j-arr[i]]);
	}
	vector<int> ans;
	for(int i = 1;i<C;i++){
		if(check(i))ans.push_back(i);
	}

	vector<int> ans2;
	mod = 1e9+7;
	memset(dp,0,sizeof(dp));
	dp[0] = 1;
	for(int i = 1;i<=n;i++){
		for(int j = C-1;j>=arr[i];j--)dp[j] =mad(dp[j],dp[j-arr[i]]);
	}
	for(int i = 1;i<=n;i++){
		for(int j = 0;j<C;j++)del[i][j] = dp[j];
		for(int j = arr[i];j<C;j++)del[i][j] = mub(del[i][j],del[i][j-arr[i]]);
	}
	for(auto &i:ans){
		if(check(i))ans2.push_back(i);
	}
	swap(ans,ans2);
	ans2.clear();

	/*
	for(int i = 0;i<=10;i++)cout<<dp[i]<<' ';cout<<endl;
	cout<<sum<<endl;
	cout<<endl;
	for(int i = 1;i<=n;i++){
		for(int j = 0;j<=10;j++)cout<<del[i][j]<<' ';cout<<endl;
	}

   */

	cout<<ans.size()<<'\n';
	for(auto &i:ans)cout<<i<<' ';
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4952 KB Output is correct
2 Correct 4 ms 5208 KB Output is correct
3 Correct 3 ms 2908 KB Output is correct
4 Correct 3 ms 4956 KB Output is correct
5 Correct 7 ms 9052 KB Output is correct
6 Correct 5 ms 7000 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 7 ms 9304 KB Output is correct
9 Correct 6 ms 7000 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4952 KB Output is correct
2 Correct 4 ms 5208 KB Output is correct
3 Correct 3 ms 2908 KB Output is correct
4 Correct 3 ms 4956 KB Output is correct
5 Correct 7 ms 9052 KB Output is correct
6 Correct 5 ms 7000 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 7 ms 9304 KB Output is correct
9 Correct 6 ms 7000 KB Output is correct
10 Correct 17 ms 17496 KB Output is correct
11 Correct 20 ms 17244 KB Output is correct
12 Correct 17 ms 17244 KB Output is correct
13 Correct 17 ms 15312 KB Output is correct
14 Correct 16 ms 17244 KB Output is correct
15 Correct 19 ms 17380 KB Output is correct
16 Correct 20 ms 17240 KB Output is correct
17 Correct 11 ms 11096 KB Output is correct
18 Correct 15 ms 15196 KB Output is correct
19 Correct 17 ms 15304 KB Output is correct
20 Correct 17 ms 17384 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4952 KB Output is correct
2 Correct 4 ms 5208 KB Output is correct
3 Correct 3 ms 2908 KB Output is correct
4 Correct 3 ms 4956 KB Output is correct
5 Correct 7 ms 9052 KB Output is correct
6 Correct 5 ms 7000 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 7 ms 9304 KB Output is correct
9 Correct 6 ms 7000 KB Output is correct
10 Correct 17 ms 17496 KB Output is correct
11 Correct 20 ms 17244 KB Output is correct
12 Correct 17 ms 17244 KB Output is correct
13 Correct 17 ms 15312 KB Output is correct
14 Correct 16 ms 17244 KB Output is correct
15 Correct 19 ms 17380 KB Output is correct
16 Correct 20 ms 17240 KB Output is correct
17 Correct 11 ms 11096 KB Output is correct
18 Correct 15 ms 15196 KB Output is correct
19 Correct 17 ms 15304 KB Output is correct
20 Correct 17 ms 17384 KB Output is correct
21 Correct 37 ms 35860 KB Output is correct
22 Correct 42 ms 39976 KB Output is correct
23 Correct 30 ms 27484 KB Output is correct
24 Correct 55 ms 50232 KB Output is correct
25 Correct 54 ms 50256 KB Output is correct
26 Correct 58 ms 52272 KB Output is correct
27 Correct 56 ms 52216 KB Output is correct
28 Correct 55 ms 52216 KB Output is correct
29 Correct 55 ms 52060 KB Output is correct
30 Correct 55 ms 52224 KB Output is correct
31 Correct 57 ms 52308 KB Output is correct
32 Correct 56 ms 52048 KB Output is correct
33 Correct 55 ms 52060 KB Output is correct
34 Correct 58 ms 52160 KB Output is correct
35 Correct 60 ms 52220 KB Output is correct
36 Correct 61 ms 52060 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4952 KB Output is correct
2 Correct 4 ms 5208 KB Output is correct
3 Correct 3 ms 2908 KB Output is correct
4 Correct 3 ms 4956 KB Output is correct
5 Correct 7 ms 9052 KB Output is correct
6 Correct 5 ms 7000 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 7 ms 9304 KB Output is correct
9 Correct 6 ms 7000 KB Output is correct
10 Correct 17 ms 17496 KB Output is correct
11 Correct 20 ms 17244 KB Output is correct
12 Correct 17 ms 17244 KB Output is correct
13 Correct 17 ms 15312 KB Output is correct
14 Correct 16 ms 17244 KB Output is correct
15 Correct 19 ms 17380 KB Output is correct
16 Correct 20 ms 17240 KB Output is correct
17 Correct 11 ms 11096 KB Output is correct
18 Correct 15 ms 15196 KB Output is correct
19 Correct 17 ms 15304 KB Output is correct
20 Correct 17 ms 17384 KB Output is correct
21 Correct 37 ms 35860 KB Output is correct
22 Correct 42 ms 39976 KB Output is correct
23 Correct 30 ms 27484 KB Output is correct
24 Correct 55 ms 50232 KB Output is correct
25 Correct 54 ms 50256 KB Output is correct
26 Correct 58 ms 52272 KB Output is correct
27 Correct 56 ms 52216 KB Output is correct
28 Correct 55 ms 52216 KB Output is correct
29 Correct 55 ms 52060 KB Output is correct
30 Correct 55 ms 52224 KB Output is correct
31 Correct 57 ms 52308 KB Output is correct
32 Correct 56 ms 52048 KB Output is correct
33 Correct 55 ms 52060 KB Output is correct
34 Correct 58 ms 52160 KB Output is correct
35 Correct 60 ms 52220 KB Output is correct
36 Correct 61 ms 52060 KB Output is correct
37 Correct 121 ms 103508 KB Output is correct
38 Correct 117 ms 103620 KB Output is correct
39 Correct 140 ms 127936 KB Output is correct
40 Correct 165 ms 140728 KB Output is correct
41 Correct 145 ms 140416 KB Output is correct
42 Correct 154 ms 130640 KB Output is correct
43 Correct 156 ms 126548 KB Output is correct
44 Correct 159 ms 128592 KB Output is correct
45 Correct 165 ms 130752 KB Output is correct
46 Correct 144 ms 140372 KB Output is correct
47 Correct 150 ms 130384 KB Output is correct
48 Correct 154 ms 130384 KB Output is correct
49 Correct 144 ms 130476 KB Output is correct
50 Correct 151 ms 130388 KB Output is correct
51 Correct 138 ms 130132 KB Output is correct
52 Correct 175 ms 140884 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4952 KB Output is correct
2 Correct 4 ms 5208 KB Output is correct
3 Correct 3 ms 2908 KB Output is correct
4 Correct 3 ms 4956 KB Output is correct
5 Correct 7 ms 9052 KB Output is correct
6 Correct 5 ms 7000 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 7 ms 9304 KB Output is correct
9 Correct 6 ms 7000 KB Output is correct
10 Correct 17 ms 17496 KB Output is correct
11 Correct 20 ms 17244 KB Output is correct
12 Correct 17 ms 17244 KB Output is correct
13 Correct 17 ms 15312 KB Output is correct
14 Correct 16 ms 17244 KB Output is correct
15 Correct 19 ms 17380 KB Output is correct
16 Correct 20 ms 17240 KB Output is correct
17 Correct 11 ms 11096 KB Output is correct
18 Correct 15 ms 15196 KB Output is correct
19 Correct 17 ms 15304 KB Output is correct
20 Correct 17 ms 17384 KB Output is correct
21 Correct 37 ms 35860 KB Output is correct
22 Correct 42 ms 39976 KB Output is correct
23 Correct 30 ms 27484 KB Output is correct
24 Correct 55 ms 50232 KB Output is correct
25 Correct 54 ms 50256 KB Output is correct
26 Correct 58 ms 52272 KB Output is correct
27 Correct 56 ms 52216 KB Output is correct
28 Correct 55 ms 52216 KB Output is correct
29 Correct 55 ms 52060 KB Output is correct
30 Correct 55 ms 52224 KB Output is correct
31 Correct 57 ms 52308 KB Output is correct
32 Correct 56 ms 52048 KB Output is correct
33 Correct 55 ms 52060 KB Output is correct
34 Correct 58 ms 52160 KB Output is correct
35 Correct 60 ms 52220 KB Output is correct
36 Correct 61 ms 52060 KB Output is correct
37 Correct 121 ms 103508 KB Output is correct
38 Correct 117 ms 103620 KB Output is correct
39 Correct 140 ms 127936 KB Output is correct
40 Correct 165 ms 140728 KB Output is correct
41 Correct 145 ms 140416 KB Output is correct
42 Correct 154 ms 130640 KB Output is correct
43 Correct 156 ms 126548 KB Output is correct
44 Correct 159 ms 128592 KB Output is correct
45 Correct 165 ms 130752 KB Output is correct
46 Correct 144 ms 140372 KB Output is correct
47 Correct 150 ms 130384 KB Output is correct
48 Correct 154 ms 130384 KB Output is correct
49 Correct 144 ms 130476 KB Output is correct
50 Correct 151 ms 130388 KB Output is correct
51 Correct 138 ms 130132 KB Output is correct
52 Correct 175 ms 140884 KB Output is correct
53 Correct 186 ms 155220 KB Output is correct
54 Correct 224 ms 179964 KB Output is correct
55 Correct 255 ms 180392 KB Output is correct
56 Correct 198 ms 157268 KB Output is correct
57 Correct 254 ms 180308 KB Output is correct
58 Incorrect 227 ms 180064 KB Output isn't correct
59 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4952 KB Output is correct
2 Correct 4 ms 5208 KB Output is correct
3 Correct 3 ms 2908 KB Output is correct
4 Correct 3 ms 4956 KB Output is correct
5 Correct 7 ms 9052 KB Output is correct
6 Correct 5 ms 7000 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 7 ms 9304 KB Output is correct
9 Correct 6 ms 7000 KB Output is correct
10 Correct 17 ms 17496 KB Output is correct
11 Correct 20 ms 17244 KB Output is correct
12 Correct 17 ms 17244 KB Output is correct
13 Correct 17 ms 15312 KB Output is correct
14 Correct 16 ms 17244 KB Output is correct
15 Correct 19 ms 17380 KB Output is correct
16 Correct 20 ms 17240 KB Output is correct
17 Correct 11 ms 11096 KB Output is correct
18 Correct 15 ms 15196 KB Output is correct
19 Correct 17 ms 15304 KB Output is correct
20 Correct 17 ms 17384 KB Output is correct
21 Correct 37 ms 35860 KB Output is correct
22 Correct 42 ms 39976 KB Output is correct
23 Correct 30 ms 27484 KB Output is correct
24 Correct 55 ms 50232 KB Output is correct
25 Correct 54 ms 50256 KB Output is correct
26 Correct 58 ms 52272 KB Output is correct
27 Correct 56 ms 52216 KB Output is correct
28 Correct 55 ms 52216 KB Output is correct
29 Correct 55 ms 52060 KB Output is correct
30 Correct 55 ms 52224 KB Output is correct
31 Correct 57 ms 52308 KB Output is correct
32 Correct 56 ms 52048 KB Output is correct
33 Correct 55 ms 52060 KB Output is correct
34 Correct 58 ms 52160 KB Output is correct
35 Correct 60 ms 52220 KB Output is correct
36 Correct 61 ms 52060 KB Output is correct
37 Correct 121 ms 103508 KB Output is correct
38 Correct 117 ms 103620 KB Output is correct
39 Correct 140 ms 127936 KB Output is correct
40 Correct 165 ms 140728 KB Output is correct
41 Correct 145 ms 140416 KB Output is correct
42 Correct 154 ms 130640 KB Output is correct
43 Correct 156 ms 126548 KB Output is correct
44 Correct 159 ms 128592 KB Output is correct
45 Correct 165 ms 130752 KB Output is correct
46 Correct 144 ms 140372 KB Output is correct
47 Correct 150 ms 130384 KB Output is correct
48 Correct 154 ms 130384 KB Output is correct
49 Correct 144 ms 130476 KB Output is correct
50 Correct 151 ms 130388 KB Output is correct
51 Correct 138 ms 130132 KB Output is correct
52 Correct 175 ms 140884 KB Output is correct
53 Correct 186 ms 155220 KB Output is correct
54 Correct 224 ms 179964 KB Output is correct
55 Correct 255 ms 180392 KB Output is correct
56 Correct 198 ms 157268 KB Output is correct
57 Correct 254 ms 180308 KB Output is correct
58 Incorrect 227 ms 180064 KB Output isn't correct
59 Halted 0 ms 0 KB -