oj.uz

Submission #888389

# Submission time Handle Problem Language Result Execution time Memory
888389 2023-12-17T08:57:22 Z pcc Bootfall (IZhO17_bootfall) C++14
44 / 100
 198 ms 3108 KB 
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,popcnt")

#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;
int mod = 998244353;
int arr[mxn];
int dp[C];
int del[C];
int n;
int sum = 0;
bitset<C> able;

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,int tsum){
	if(sum&1)return false;
	if(!dp[sum>>1])return false;
	if(tsum&1)return false;
	if(tsum/2<now)return false;
	if(!del[tsum>>1])return false;
	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]]);
	}

	vector<int> ans;
	able.set();
	for(int i = 1;i<=n;i++){
		for(int j = 0;j<C;j++)del[j] = dp[j];
		for(int j = arr[i];j<C;j++)del[j] = mub(del[j],del[j-arr[i]]);
		for(int j = 1;j<=sum;j++){
			if(!check(j,sum-arr[i]+j))able[j] = false;
		}
	}
	for(int j = 1;j<=sum;j++)if(able[j])ans.push_back(j);

	memset(dp,0,sizeof(dp));
	mod = 998244353;
	dp[0] = 1;
	able.set();
	for(int i = 1;i<=n;i++){
		for(int j = 0;j<C;j++)del[j] = dp[j];
		for(int j = arr[i];j<C;j++)del[j] = mub(del[j],del[j-arr[i]]);
		for(int j = 1;j<=sum;j++){
			if(!check(j,sum-arr[i]+j))able[j] = false;
		}
	}
	for(int j = 1;j<=sum;j++)if(able[j])ans.push_back(j);

	/*
	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;
	}
   */
	sort(ans.begin(),ans.end());
	ans.erase(unique(ans.begin(),ans.end()),ans.end());

	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 7 ms 2408 KB Output is correct
2 Correct 5 ms 2396 KB Output is correct
3 Correct 4 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 5 ms 2396 KB Output is correct
6 Correct 5 ms 2396 KB Output is correct
7 Correct 3 ms 2396 KB Output is correct
8 Correct 5 ms 2396 KB Output is correct
9 Correct 4 ms 2396 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 2408 KB Output is correct
2 Correct 5 ms 2396 KB Output is correct
3 Correct 4 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 5 ms 2396 KB Output is correct
6 Correct 5 ms 2396 KB Output is correct
7 Correct 3 ms 2396 KB Output is correct
8 Correct 5 ms 2396 KB Output is correct
9 Correct 4 ms 2396 KB Output is correct
10 Correct 15 ms 2396 KB Output is correct
11 Correct 26 ms 2520 KB Output is correct
12 Correct 18 ms 2396 KB Output is correct
13 Correct 20 ms 2396 KB Output is correct
14 Correct 20 ms 2396 KB Output is correct
15 Correct 24 ms 2396 KB Output is correct
16 Correct 27 ms 2524 KB Output is correct
17 Correct 13 ms 2392 KB Output is correct
18 Correct 19 ms 2396 KB Output is correct
19 Correct 20 ms 2396 KB Output is correct
20 Correct 13 ms 2396 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 2408 KB Output is correct
2 Correct 5 ms 2396 KB Output is correct
3 Correct 4 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 5 ms 2396 KB Output is correct
6 Correct 5 ms 2396 KB Output is correct
7 Correct 3 ms 2396 KB Output is correct
8 Correct 5 ms 2396 KB Output is correct
9 Correct 4 ms 2396 KB Output is correct
10 Correct 15 ms 2396 KB Output is correct
11 Correct 26 ms 2520 KB Output is correct
12 Correct 18 ms 2396 KB Output is correct
13 Correct 20 ms 2396 KB Output is correct
14 Correct 20 ms 2396 KB Output is correct
15 Correct 24 ms 2396 KB Output is correct
16 Correct 27 ms 2524 KB Output is correct
17 Correct 13 ms 2392 KB Output is correct
18 Correct 19 ms 2396 KB Output is correct
19 Correct 20 ms 2396 KB Output is correct
20 Correct 13 ms 2396 KB Output is correct
21 Correct 25 ms 2396 KB Output is correct
22 Correct 30 ms 2520 KB Output is correct
23 Correct 21 ms 2392 KB Output is correct
24 Correct 40 ms 2396 KB Output is correct
25 Correct 25 ms 2392 KB Output is correct
26 Correct 33 ms 2648 KB Output is correct
27 Correct 28 ms 2396 KB Output is correct
28 Correct 28 ms 2396 KB Output is correct
29 Correct 28 ms 2396 KB Output is correct
30 Correct 34 ms 2396 KB Output is correct
31 Correct 27 ms 2396 KB Output is correct
32 Correct 40 ms 2508 KB Output is correct
33 Correct 28 ms 2400 KB Output is correct
34 Correct 28 ms 2396 KB Output is correct
35 Correct 28 ms 2392 KB Output is correct
36 Correct 43 ms 2396 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 2408 KB Output is correct
2 Correct 5 ms 2396 KB Output is correct
3 Correct 4 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 5 ms 2396 KB Output is correct
6 Correct 5 ms 2396 KB Output is correct
7 Correct 3 ms 2396 KB Output is correct
8 Correct 5 ms 2396 KB Output is correct
9 Correct 4 ms 2396 KB Output is correct
10 Correct 15 ms 2396 KB Output is correct
11 Correct 26 ms 2520 KB Output is correct
12 Correct 18 ms 2396 KB Output is correct
13 Correct 20 ms 2396 KB Output is correct
14 Correct 20 ms 2396 KB Output is correct
15 Correct 24 ms 2396 KB Output is correct
16 Correct 27 ms 2524 KB Output is correct
17 Correct 13 ms 2392 KB Output is correct
18 Correct 19 ms 2396 KB Output is correct
19 Correct 20 ms 2396 KB Output is correct
20 Correct 13 ms 2396 KB Output is correct
21 Correct 25 ms 2396 KB Output is correct
22 Correct 30 ms 2520 KB Output is correct
23 Correct 21 ms 2392 KB Output is correct
24 Correct 40 ms 2396 KB Output is correct
25 Correct 25 ms 2392 KB Output is correct
26 Correct 33 ms 2648 KB Output is correct
27 Correct 28 ms 2396 KB Output is correct
28 Correct 28 ms 2396 KB Output is correct
29 Correct 28 ms 2396 KB Output is correct
30 Correct 34 ms 2396 KB Output is correct
31 Correct 27 ms 2396 KB Output is correct
32 Correct 40 ms 2508 KB Output is correct
33 Correct 28 ms 2400 KB Output is correct
34 Correct 28 ms 2396 KB Output is correct
35 Correct 28 ms 2392 KB Output is correct
36 Correct 43 ms 2396 KB Output is correct
37 Correct 60 ms 2620 KB Output is correct
38 Correct 60 ms 2644 KB Output is correct
39 Correct 116 ms 2504 KB Output is correct
40 Correct 106 ms 2760 KB Output is correct
41 Correct 138 ms 2500 KB Output is correct
42 Correct 95 ms 2640 KB Output is correct
43 Correct 98 ms 2640 KB Output is correct
44 Correct 105 ms 2896 KB Output is correct
45 Correct 102 ms 2732 KB Output is correct
46 Correct 106 ms 2384 KB Output is correct
47 Correct 95 ms 2648 KB Output is correct
48 Correct 107 ms 2640 KB Output is correct
49 Correct 110 ms 2392 KB Output is correct
50 Correct 101 ms 2504 KB Output is correct
51 Correct 96 ms 2384 KB Output is correct
52 Correct 120 ms 2896 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 2408 KB Output is correct
2 Correct 5 ms 2396 KB Output is correct
3 Correct 4 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 5 ms 2396 KB Output is correct
6 Correct 5 ms 2396 KB Output is correct
7 Correct 3 ms 2396 KB Output is correct
8 Correct 5 ms 2396 KB Output is correct
9 Correct 4 ms 2396 KB Output is correct
10 Correct 15 ms 2396 KB Output is correct
11 Correct 26 ms 2520 KB Output is correct
12 Correct 18 ms 2396 KB Output is correct
13 Correct 20 ms 2396 KB Output is correct
14 Correct 20 ms 2396 KB Output is correct
15 Correct 24 ms 2396 KB Output is correct
16 Correct 27 ms 2524 KB Output is correct
17 Correct 13 ms 2392 KB Output is correct
18 Correct 19 ms 2396 KB Output is correct
19 Correct 20 ms 2396 KB Output is correct
20 Correct 13 ms 2396 KB Output is correct
21 Correct 25 ms 2396 KB Output is correct
22 Correct 30 ms 2520 KB Output is correct
23 Correct 21 ms 2392 KB Output is correct
24 Correct 40 ms 2396 KB Output is correct
25 Correct 25 ms 2392 KB Output is correct
26 Correct 33 ms 2648 KB Output is correct
27 Correct 28 ms 2396 KB Output is correct
28 Correct 28 ms 2396 KB Output is correct
29 Correct 28 ms 2396 KB Output is correct
30 Correct 34 ms 2396 KB Output is correct
31 Correct 27 ms 2396 KB Output is correct
32 Correct 40 ms 2508 KB Output is correct
33 Correct 28 ms 2400 KB Output is correct
34 Correct 28 ms 2396 KB Output is correct
35 Correct 28 ms 2392 KB Output is correct
36 Correct 43 ms 2396 KB Output is correct
37 Correct 60 ms 2620 KB Output is correct
38 Correct 60 ms 2644 KB Output is correct
39 Correct 116 ms 2504 KB Output is correct
40 Correct 106 ms 2760 KB Output is correct
41 Correct 138 ms 2500 KB Output is correct
42 Correct 95 ms 2640 KB Output is correct
43 Correct 98 ms 2640 KB Output is correct
44 Correct 105 ms 2896 KB Output is correct
45 Correct 102 ms 2732 KB Output is correct
46 Correct 106 ms 2384 KB Output is correct
47 Correct 95 ms 2648 KB Output is correct
48 Correct 107 ms 2640 KB Output is correct
49 Correct 110 ms 2392 KB Output is correct
50 Correct 101 ms 2504 KB Output is correct
51 Correct 96 ms 2384 KB Output is correct
52 Correct 120 ms 2896 KB Output is correct
53 Correct 113 ms 2640 KB Output is correct
54 Correct 140 ms 2900 KB Output is correct
55 Correct 193 ms 3092 KB Output is correct
56 Correct 129 ms 2752 KB Output is correct
57 Correct 198 ms 3108 KB Output is correct
58 Incorrect 155 ms 2752 KB Output isn't correct
59 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 2408 KB Output is correct
2 Correct 5 ms 2396 KB Output is correct
3 Correct 4 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 5 ms 2396 KB Output is correct
6 Correct 5 ms 2396 KB Output is correct
7 Correct 3 ms 2396 KB Output is correct
8 Correct 5 ms 2396 KB Output is correct
9 Correct 4 ms 2396 KB Output is correct
10 Correct 15 ms 2396 KB Output is correct
11 Correct 26 ms 2520 KB Output is correct
12 Correct 18 ms 2396 KB Output is correct
13 Correct 20 ms 2396 KB Output is correct
14 Correct 20 ms 2396 KB Output is correct
15 Correct 24 ms 2396 KB Output is correct
16 Correct 27 ms 2524 KB Output is correct
17 Correct 13 ms 2392 KB Output is correct
18 Correct 19 ms 2396 KB Output is correct
19 Correct 20 ms 2396 KB Output is correct
20 Correct 13 ms 2396 KB Output is correct
21 Correct 25 ms 2396 KB Output is correct
22 Correct 30 ms 2520 KB Output is correct
23 Correct 21 ms 2392 KB Output is correct
24 Correct 40 ms 2396 KB Output is correct
25 Correct 25 ms 2392 KB Output is correct
26 Correct 33 ms 2648 KB Output is correct
27 Correct 28 ms 2396 KB Output is correct
28 Correct 28 ms 2396 KB Output is correct
29 Correct 28 ms 2396 KB Output is correct
30 Correct 34 ms 2396 KB Output is correct
31 Correct 27 ms 2396 KB Output is correct
32 Correct 40 ms 2508 KB Output is correct
33 Correct 28 ms 2400 KB Output is correct
34 Correct 28 ms 2396 KB Output is correct
35 Correct 28 ms 2392 KB Output is correct
36 Correct 43 ms 2396 KB Output is correct
37 Correct 60 ms 2620 KB Output is correct
38 Correct 60 ms 2644 KB Output is correct
39 Correct 116 ms 2504 KB Output is correct
40 Correct 106 ms 2760 KB Output is correct
41 Correct 138 ms 2500 KB Output is correct
42 Correct 95 ms 2640 KB Output is correct
43 Correct 98 ms 2640 KB Output is correct
44 Correct 105 ms 2896 KB Output is correct
45 Correct 102 ms 2732 KB Output is correct
46 Correct 106 ms 2384 KB Output is correct
47 Correct 95 ms 2648 KB Output is correct
48 Correct 107 ms 2640 KB Output is correct
49 Correct 110 ms 2392 KB Output is correct
50 Correct 101 ms 2504 KB Output is correct
51 Correct 96 ms 2384 KB Output is correct
52 Correct 120 ms 2896 KB Output is correct
53 Correct 113 ms 2640 KB Output is correct
54 Correct 140 ms 2900 KB Output is correct
55 Correct 193 ms 3092 KB Output is correct
56 Correct 129 ms 2752 KB Output is correct
57 Correct 198 ms 3108 KB Output is correct
58 Incorrect 155 ms 2752 KB Output isn't correct
59 Halted 0 ms 0 KB -