oj.uz

Submission #888374

# Submission time Handle Problem Language Result Execution time Memory
888374 2023-12-17T08:18:33 Z pcc Bootfall (IZhO17_bootfall) C++14
44 / 100
 155 ms 180040 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;
const int mod = 998244353;
int arr[mxn];
int dp[C];
int del[mxn][C];
int n;
int sum = 0;

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

	/*
	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 4 ms 5212 KB Output is correct
2 Correct 3 ms 4956 KB Output is correct
3 Correct 2 ms 2908 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 5 ms 9052 KB Output is correct
6 Correct 4 ms 7256 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 5 ms 9052 KB Output is correct
9 Correct 4 ms 7004 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5212 KB Output is correct
2 Correct 3 ms 4956 KB Output is correct
3 Correct 2 ms 2908 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 5 ms 9052 KB Output is correct
6 Correct 4 ms 7256 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 5 ms 9052 KB Output is correct
9 Correct 4 ms 7004 KB Output is correct
10 Correct 11 ms 17244 KB Output is correct
11 Correct 13 ms 17244 KB Output is correct
12 Correct 11 ms 17244 KB Output is correct
13 Correct 11 ms 15196 KB Output is correct
14 Correct 12 ms 17388 KB Output is correct
15 Correct 12 ms 17244 KB Output is correct
16 Correct 13 ms 17268 KB Output is correct
17 Correct 8 ms 11100 KB Output is correct
18 Correct 10 ms 15196 KB Output is correct
19 Correct 11 ms 15244 KB Output is correct
20 Correct 12 ms 17244 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5212 KB Output is correct
2 Correct 3 ms 4956 KB Output is correct
3 Correct 2 ms 2908 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 5 ms 9052 KB Output is correct
6 Correct 4 ms 7256 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 5 ms 9052 KB Output is correct
9 Correct 4 ms 7004 KB Output is correct
10 Correct 11 ms 17244 KB Output is correct
11 Correct 13 ms 17244 KB Output is correct
12 Correct 11 ms 17244 KB Output is correct
13 Correct 11 ms 15196 KB Output is correct
14 Correct 12 ms 17388 KB Output is correct
15 Correct 12 ms 17244 KB Output is correct
16 Correct 13 ms 17268 KB Output is correct
17 Correct 8 ms 11100 KB Output is correct
18 Correct 10 ms 15196 KB Output is correct
19 Correct 11 ms 15244 KB Output is correct
20 Correct 12 ms 17244 KB Output is correct
21 Correct 24 ms 35676 KB Output is correct
22 Correct 27 ms 39772 KB Output is correct
23 Correct 19 ms 27484 KB Output is correct
24 Correct 35 ms 50000 KB Output is correct
25 Correct 34 ms 50004 KB Output is correct
26 Correct 37 ms 52316 KB Output is correct
27 Correct 37 ms 52052 KB Output is correct
28 Correct 37 ms 52052 KB Output is correct
29 Correct 37 ms 52184 KB Output is correct
30 Correct 38 ms 52052 KB Output is correct
31 Correct 37 ms 52316 KB Output is correct
32 Correct 37 ms 52184 KB Output is correct
33 Correct 35 ms 52048 KB Output is correct
34 Correct 38 ms 52176 KB Output is correct
35 Correct 35 ms 52052 KB Output is correct
36 Correct 38 ms 52224 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5212 KB Output is correct
2 Correct 3 ms 4956 KB Output is correct
3 Correct 2 ms 2908 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 5 ms 9052 KB Output is correct
6 Correct 4 ms 7256 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 5 ms 9052 KB Output is correct
9 Correct 4 ms 7004 KB Output is correct
10 Correct 11 ms 17244 KB Output is correct
11 Correct 13 ms 17244 KB Output is correct
12 Correct 11 ms 17244 KB Output is correct
13 Correct 11 ms 15196 KB Output is correct
14 Correct 12 ms 17388 KB Output is correct
15 Correct 12 ms 17244 KB Output is correct
16 Correct 13 ms 17268 KB Output is correct
17 Correct 8 ms 11100 KB Output is correct
18 Correct 10 ms 15196 KB Output is correct
19 Correct 11 ms 15244 KB Output is correct
20 Correct 12 ms 17244 KB Output is correct
21 Correct 24 ms 35676 KB Output is correct
22 Correct 27 ms 39772 KB Output is correct
23 Correct 19 ms 27484 KB Output is correct
24 Correct 35 ms 50000 KB Output is correct
25 Correct 34 ms 50004 KB Output is correct
26 Correct 37 ms 52316 KB Output is correct
27 Correct 37 ms 52052 KB Output is correct
28 Correct 37 ms 52052 KB Output is correct
29 Correct 37 ms 52184 KB Output is correct
30 Correct 38 ms 52052 KB Output is correct
31 Correct 37 ms 52316 KB Output is correct
32 Correct 37 ms 52184 KB Output is correct
33 Correct 35 ms 52048 KB Output is correct
34 Correct 38 ms 52176 KB Output is correct
35 Correct 35 ms 52052 KB Output is correct
36 Correct 38 ms 52224 KB Output is correct
37 Correct 74 ms 103504 KB Output is correct
38 Correct 75 ms 103616 KB Output is correct
39 Correct 87 ms 127992 KB Output is correct
40 Correct 102 ms 140628 KB Output is correct
41 Correct 95 ms 140372 KB Output is correct
42 Correct 94 ms 130296 KB Output is correct
43 Correct 98 ms 126444 KB Output is correct
44 Correct 99 ms 128336 KB Output is correct
45 Correct 100 ms 130388 KB Output is correct
46 Correct 94 ms 140368 KB Output is correct
47 Correct 95 ms 130248 KB Output is correct
48 Correct 97 ms 130384 KB Output is correct
49 Correct 90 ms 130132 KB Output is correct
50 Correct 97 ms 130392 KB Output is correct
51 Correct 89 ms 130204 KB Output is correct
52 Correct 110 ms 140884 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5212 KB Output is correct
2 Correct 3 ms 4956 KB Output is correct
3 Correct 2 ms 2908 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 5 ms 9052 KB Output is correct
6 Correct 4 ms 7256 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 5 ms 9052 KB Output is correct
9 Correct 4 ms 7004 KB Output is correct
10 Correct 11 ms 17244 KB Output is correct
11 Correct 13 ms 17244 KB Output is correct
12 Correct 11 ms 17244 KB Output is correct
13 Correct 11 ms 15196 KB Output is correct
14 Correct 12 ms 17388 KB Output is correct
15 Correct 12 ms 17244 KB Output is correct
16 Correct 13 ms 17268 KB Output is correct
17 Correct 8 ms 11100 KB Output is correct
18 Correct 10 ms 15196 KB Output is correct
19 Correct 11 ms 15244 KB Output is correct
20 Correct 12 ms 17244 KB Output is correct
21 Correct 24 ms 35676 KB Output is correct
22 Correct 27 ms 39772 KB Output is correct
23 Correct 19 ms 27484 KB Output is correct
24 Correct 35 ms 50000 KB Output is correct
25 Correct 34 ms 50004 KB Output is correct
26 Correct 37 ms 52316 KB Output is correct
27 Correct 37 ms 52052 KB Output is correct
28 Correct 37 ms 52052 KB Output is correct
29 Correct 37 ms 52184 KB Output is correct
30 Correct 38 ms 52052 KB Output is correct
31 Correct 37 ms 52316 KB Output is correct
32 Correct 37 ms 52184 KB Output is correct
33 Correct 35 ms 52048 KB Output is correct
34 Correct 38 ms 52176 KB Output is correct
35 Correct 35 ms 52052 KB Output is correct
36 Correct 38 ms 52224 KB Output is correct
37 Correct 74 ms 103504 KB Output is correct
38 Correct 75 ms 103616 KB Output is correct
39 Correct 87 ms 127992 KB Output is correct
40 Correct 102 ms 140628 KB Output is correct
41 Correct 95 ms 140372 KB Output is correct
42 Correct 94 ms 130296 KB Output is correct
43 Correct 98 ms 126444 KB Output is correct
44 Correct 99 ms 128336 KB Output is correct
45 Correct 100 ms 130388 KB Output is correct
46 Correct 94 ms 140368 KB Output is correct
47 Correct 95 ms 130248 KB Output is correct
48 Correct 97 ms 130384 KB Output is correct
49 Correct 90 ms 130132 KB Output is correct
50 Correct 97 ms 130392 KB Output is correct
51 Correct 89 ms 130204 KB Output is correct
52 Correct 110 ms 140884 KB Output is correct
53 Correct 117 ms 154968 KB Output is correct
54 Correct 143 ms 179712 KB Output is correct
55 Correct 153 ms 180040 KB Output is correct
56 Correct 128 ms 157268 KB Output is correct
57 Correct 155 ms 179928 KB Output is correct
58 Incorrect 145 ms 179896 KB Output isn't correct
59 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5212 KB Output is correct
2 Correct 3 ms 4956 KB Output is correct
3 Correct 2 ms 2908 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 5 ms 9052 KB Output is correct
6 Correct 4 ms 7256 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 5 ms 9052 KB Output is correct
9 Correct 4 ms 7004 KB Output is correct
10 Correct 11 ms 17244 KB Output is correct
11 Correct 13 ms 17244 KB Output is correct
12 Correct 11 ms 17244 KB Output is correct
13 Correct 11 ms 15196 KB Output is correct
14 Correct 12 ms 17388 KB Output is correct
15 Correct 12 ms 17244 KB Output is correct
16 Correct 13 ms 17268 KB Output is correct
17 Correct 8 ms 11100 KB Output is correct
18 Correct 10 ms 15196 KB Output is correct
19 Correct 11 ms 15244 KB Output is correct
20 Correct 12 ms 17244 KB Output is correct
21 Correct 24 ms 35676 KB Output is correct
22 Correct 27 ms 39772 KB Output is correct
23 Correct 19 ms 27484 KB Output is correct
24 Correct 35 ms 50000 KB Output is correct
25 Correct 34 ms 50004 KB Output is correct
26 Correct 37 ms 52316 KB Output is correct
27 Correct 37 ms 52052 KB Output is correct
28 Correct 37 ms 52052 KB Output is correct
29 Correct 37 ms 52184 KB Output is correct
30 Correct 38 ms 52052 KB Output is correct
31 Correct 37 ms 52316 KB Output is correct
32 Correct 37 ms 52184 KB Output is correct
33 Correct 35 ms 52048 KB Output is correct
34 Correct 38 ms 52176 KB Output is correct
35 Correct 35 ms 52052 KB Output is correct
36 Correct 38 ms 52224 KB Output is correct
37 Correct 74 ms 103504 KB Output is correct
38 Correct 75 ms 103616 KB Output is correct
39 Correct 87 ms 127992 KB Output is correct
40 Correct 102 ms 140628 KB Output is correct
41 Correct 95 ms 140372 KB Output is correct
42 Correct 94 ms 130296 KB Output is correct
43 Correct 98 ms 126444 KB Output is correct
44 Correct 99 ms 128336 KB Output is correct
45 Correct 100 ms 130388 KB Output is correct
46 Correct 94 ms 140368 KB Output is correct
47 Correct 95 ms 130248 KB Output is correct
48 Correct 97 ms 130384 KB Output is correct
49 Correct 90 ms 130132 KB Output is correct
50 Correct 97 ms 130392 KB Output is correct
51 Correct 89 ms 130204 KB Output is correct
52 Correct 110 ms 140884 KB Output is correct
53 Correct 117 ms 154968 KB Output is correct
54 Correct 143 ms 179712 KB Output is correct
55 Correct 153 ms 180040 KB Output is correct
56 Correct 128 ms 157268 KB Output is correct
57 Correct 155 ms 179928 KB Output is correct
58 Incorrect 145 ms 179896 KB Output isn't correct
59 Halted 0 ms 0 KB -