oj.uz

Submission #888376

# Submission time Handle Problem Language Result Execution time Memory
888376 2023-12-17T08:22:51 Z pcc Bootfall (IZhO17_bootfall) C++14
44 / 100
 257 ms 180308 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 = 712271227;
	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 4956 KB Output is correct
2 Correct 4 ms 5072 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 7004 KB Output is correct
7 Correct 4 ms 4956 KB Output is correct
8 Correct 7 ms 9052 KB Output is correct
9 Correct 6 ms 7004 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4956 KB Output is correct
2 Correct 4 ms 5072 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 7004 KB Output is correct
7 Correct 4 ms 4956 KB Output is correct
8 Correct 7 ms 9052 KB Output is correct
9 Correct 6 ms 7004 KB Output is correct
10 Correct 20 ms 17244 KB Output is correct
11 Correct 20 ms 17244 KB Output is correct
12 Correct 17 ms 17244 KB Output is correct
13 Correct 16 ms 15192 KB Output is correct
14 Correct 17 ms 17496 KB Output is correct
15 Correct 21 ms 17496 KB Output is correct
16 Correct 20 ms 17244 KB Output is correct
17 Correct 11 ms 11224 KB Output is correct
18 Correct 15 ms 15336 KB Output is correct
19 Correct 16 ms 15332 KB Output is correct
20 Correct 18 ms 17244 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4956 KB Output is correct
2 Correct 4 ms 5072 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 7004 KB Output is correct
7 Correct 4 ms 4956 KB Output is correct
8 Correct 7 ms 9052 KB Output is correct
9 Correct 6 ms 7004 KB Output is correct
10 Correct 20 ms 17244 KB Output is correct
11 Correct 20 ms 17244 KB Output is correct
12 Correct 17 ms 17244 KB Output is correct
13 Correct 16 ms 15192 KB Output is correct
14 Correct 17 ms 17496 KB Output is correct
15 Correct 21 ms 17496 KB Output is correct
16 Correct 20 ms 17244 KB Output is correct
17 Correct 11 ms 11224 KB Output is correct
18 Correct 15 ms 15336 KB Output is correct
19 Correct 16 ms 15332 KB Output is correct
20 Correct 18 ms 17244 KB Output is correct
21 Correct 37 ms 35676 KB Output is correct
22 Correct 42 ms 39884 KB Output is correct
23 Correct 30 ms 27480 KB Output is correct
24 Correct 55 ms 50000 KB Output is correct
25 Correct 53 ms 50012 KB Output is correct
26 Correct 57 ms 52308 KB Output is correct
27 Correct 56 ms 52048 KB Output is correct
28 Correct 55 ms 52276 KB Output is correct
29 Correct 55 ms 52052 KB Output is correct
30 Correct 55 ms 52052 KB Output is correct
31 Correct 57 ms 52304 KB Output is correct
32 Correct 58 ms 52048 KB Output is correct
33 Correct 58 ms 52056 KB Output is correct
34 Correct 55 ms 52052 KB Output is correct
35 Correct 54 ms 52196 KB Output is correct
36 Correct 59 ms 52048 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 4956 KB Output is correct
2 Correct 4 ms 5072 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 7004 KB Output is correct
7 Correct 4 ms 4956 KB Output is correct
8 Correct 7 ms 9052 KB Output is correct
9 Correct 6 ms 7004 KB Output is correct
10 Correct 20 ms 17244 KB Output is correct
11 Correct 20 ms 17244 KB Output is correct
12 Correct 17 ms 17244 KB Output is correct
13 Correct 16 ms 15192 KB Output is correct
14 Correct 17 ms 17496 KB Output is correct
15 Correct 21 ms 17496 KB Output is correct
16 Correct 20 ms 17244 KB Output is correct
17 Correct 11 ms 11224 KB Output is correct
18 Correct 15 ms 15336 KB Output is correct
19 Correct 16 ms 15332 KB Output is correct
20 Correct 18 ms 17244 KB Output is correct
21 Correct 37 ms 35676 KB Output is correct
22 Correct 42 ms 39884 KB Output is correct
23 Correct 30 ms 27480 KB Output is correct
24 Correct 55 ms 50000 KB Output is correct
25 Correct 53 ms 50012 KB Output is correct
26 Correct 57 ms 52308 KB Output is correct
27 Correct 56 ms 52048 KB Output is correct
28 Correct 55 ms 52276 KB Output is correct
29 Correct 55 ms 52052 KB Output is correct
30 Correct 55 ms 52052 KB Output is correct
31 Correct 57 ms 52304 KB Output is correct
32 Correct 58 ms 52048 KB Output is correct
33 Correct 58 ms 52056 KB Output is correct
34 Correct 55 ms 52052 KB Output is correct
35 Correct 54 ms 52196 KB Output is correct
36 Correct 59 ms 52048 KB Output is correct
37 Correct 115 ms 103496 KB Output is correct
38 Correct 116 ms 103504 KB Output is correct
39 Correct 133 ms 128096 KB Output is correct
40 Correct 162 ms 140628 KB Output is correct
41 Correct 144 ms 140368 KB Output is correct
42 Correct 150 ms 130344 KB Output is correct
43 Correct 157 ms 126408 KB Output is correct
44 Correct 162 ms 128460 KB Output is correct
45 Correct 159 ms 130716 KB Output is correct
46 Correct 152 ms 140476 KB Output is correct
47 Correct 151 ms 130388 KB Output is correct
48 Correct 160 ms 130428 KB Output is correct
49 Correct 142 ms 130340 KB Output is correct
50 Correct 154 ms 130376 KB Output is correct
51 Correct 135 ms 130216 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 4956 KB Output is correct
2 Correct 4 ms 5072 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 7004 KB Output is correct
7 Correct 4 ms 4956 KB Output is correct
8 Correct 7 ms 9052 KB Output is correct
9 Correct 6 ms 7004 KB Output is correct
10 Correct 20 ms 17244 KB Output is correct
11 Correct 20 ms 17244 KB Output is correct
12 Correct 17 ms 17244 KB Output is correct
13 Correct 16 ms 15192 KB Output is correct
14 Correct 17 ms 17496 KB Output is correct
15 Correct 21 ms 17496 KB Output is correct
16 Correct 20 ms 17244 KB Output is correct
17 Correct 11 ms 11224 KB Output is correct
18 Correct 15 ms 15336 KB Output is correct
19 Correct 16 ms 15332 KB Output is correct
20 Correct 18 ms 17244 KB Output is correct
21 Correct 37 ms 35676 KB Output is correct
22 Correct 42 ms 39884 KB Output is correct
23 Correct 30 ms 27480 KB Output is correct
24 Correct 55 ms 50000 KB Output is correct
25 Correct 53 ms 50012 KB Output is correct
26 Correct 57 ms 52308 KB Output is correct
27 Correct 56 ms 52048 KB Output is correct
28 Correct 55 ms 52276 KB Output is correct
29 Correct 55 ms 52052 KB Output is correct
30 Correct 55 ms 52052 KB Output is correct
31 Correct 57 ms 52304 KB Output is correct
32 Correct 58 ms 52048 KB Output is correct
33 Correct 58 ms 52056 KB Output is correct
34 Correct 55 ms 52052 KB Output is correct
35 Correct 54 ms 52196 KB Output is correct
36 Correct 59 ms 52048 KB Output is correct
37 Correct 115 ms 103496 KB Output is correct
38 Correct 116 ms 103504 KB Output is correct
39 Correct 133 ms 128096 KB Output is correct
40 Correct 162 ms 140628 KB Output is correct
41 Correct 144 ms 140368 KB Output is correct
42 Correct 150 ms 130344 KB Output is correct
43 Correct 157 ms 126408 KB Output is correct
44 Correct 162 ms 128460 KB Output is correct
45 Correct 159 ms 130716 KB Output is correct
46 Correct 152 ms 140476 KB Output is correct
47 Correct 151 ms 130388 KB Output is correct
48 Correct 160 ms 130428 KB Output is correct
49 Correct 142 ms 130340 KB Output is correct
50 Correct 154 ms 130376 KB Output is correct
51 Correct 135 ms 130216 KB Output is correct
52 Correct 175 ms 140884 KB Output is correct
53 Correct 186 ms 155060 KB Output is correct
54 Correct 224 ms 180048 KB Output is correct
55 Correct 247 ms 180188 KB Output is correct
56 Correct 195 ms 157264 KB Output is correct
57 Correct 257 ms 180308 KB Output is correct
58 Incorrect 226 ms 179792 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 4956 KB Output is correct
2 Correct 4 ms 5072 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 7004 KB Output is correct
7 Correct 4 ms 4956 KB Output is correct
8 Correct 7 ms 9052 KB Output is correct
9 Correct 6 ms 7004 KB Output is correct
10 Correct 20 ms 17244 KB Output is correct
11 Correct 20 ms 17244 KB Output is correct
12 Correct 17 ms 17244 KB Output is correct
13 Correct 16 ms 15192 KB Output is correct
14 Correct 17 ms 17496 KB Output is correct
15 Correct 21 ms 17496 KB Output is correct
16 Correct 20 ms 17244 KB Output is correct
17 Correct 11 ms 11224 KB Output is correct
18 Correct 15 ms 15336 KB Output is correct
19 Correct 16 ms 15332 KB Output is correct
20 Correct 18 ms 17244 KB Output is correct
21 Correct 37 ms 35676 KB Output is correct
22 Correct 42 ms 39884 KB Output is correct
23 Correct 30 ms 27480 KB Output is correct
24 Correct 55 ms 50000 KB Output is correct
25 Correct 53 ms 50012 KB Output is correct
26 Correct 57 ms 52308 KB Output is correct
27 Correct 56 ms 52048 KB Output is correct
28 Correct 55 ms 52276 KB Output is correct
29 Correct 55 ms 52052 KB Output is correct
30 Correct 55 ms 52052 KB Output is correct
31 Correct 57 ms 52304 KB Output is correct
32 Correct 58 ms 52048 KB Output is correct
33 Correct 58 ms 52056 KB Output is correct
34 Correct 55 ms 52052 KB Output is correct
35 Correct 54 ms 52196 KB Output is correct
36 Correct 59 ms 52048 KB Output is correct
37 Correct 115 ms 103496 KB Output is correct
38 Correct 116 ms 103504 KB Output is correct
39 Correct 133 ms 128096 KB Output is correct
40 Correct 162 ms 140628 KB Output is correct
41 Correct 144 ms 140368 KB Output is correct
42 Correct 150 ms 130344 KB Output is correct
43 Correct 157 ms 126408 KB Output is correct
44 Correct 162 ms 128460 KB Output is correct
45 Correct 159 ms 130716 KB Output is correct
46 Correct 152 ms 140476 KB Output is correct
47 Correct 151 ms 130388 KB Output is correct
48 Correct 160 ms 130428 KB Output is correct
49 Correct 142 ms 130340 KB Output is correct
50 Correct 154 ms 130376 KB Output is correct
51 Correct 135 ms 130216 KB Output is correct
52 Correct 175 ms 140884 KB Output is correct
53 Correct 186 ms 155060 KB Output is correct
54 Correct 224 ms 180048 KB Output is correct
55 Correct 247 ms 180188 KB Output is correct
56 Correct 195 ms 157264 KB Output is correct
57 Correct 257 ms 180308 KB Output is correct
58 Incorrect 226 ms 179792 KB Output isn't correct
59 Halted 0 ms 0 KB -