oj.uz

Submission #888386

# Submission time Handle Problem Language Result Execution time Memory
888386 2023-12-17T08:46:16 Z pcc Bootfall (IZhO17_bootfall) C++14
44 / 100
 594 ms 3676 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;
int mod = 998244353;
int arr[mxn];
int dp[C];
int del[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,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,ans2;
	for(int i = 1;i<=sum;i++)ans.push_back(i);
	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(auto &j:ans){
			if(check(j,sum-arr[i]+j))ans2.push_back(j);
		}
		swap(ans,ans2);
		ans2.clear();
	}

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

	memset(dp,0,sizeof(dp));
	dp[0] = 1;
	mod = 712271227;
	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[j] = dp[j];
		for(int j = arr[i];j<C;j++)del[j] = mub(del[j],del[j-arr[i]]);
		for(auto &j:ans){
			if(check(j,sum-arr[i]+j))ans2.push_back(j);
		}
		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 12 ms 2392 KB Output is correct
2 Correct 10 ms 2492 KB Output is correct
3 Correct 7 ms 2396 KB Output is correct
4 Correct 7 ms 2396 KB Output is correct
5 Correct 18 ms 2500 KB Output is correct
6 Correct 12 ms 2396 KB Output is correct
7 Correct 10 ms 2396 KB Output is correct
8 Correct 18 ms 2504 KB Output is correct
9 Correct 15 ms 2648 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 2392 KB Output is correct
2 Correct 10 ms 2492 KB Output is correct
3 Correct 7 ms 2396 KB Output is correct
4 Correct 7 ms 2396 KB Output is correct
5 Correct 18 ms 2500 KB Output is correct
6 Correct 12 ms 2396 KB Output is correct
7 Correct 10 ms 2396 KB Output is correct
8 Correct 18 ms 2504 KB Output is correct
9 Correct 15 ms 2648 KB Output is correct
10 Correct 43 ms 2396 KB Output is correct
11 Correct 52 ms 2396 KB Output is correct
12 Correct 46 ms 2396 KB Output is correct
13 Correct 41 ms 2396 KB Output is correct
14 Correct 42 ms 2396 KB Output is correct
15 Correct 50 ms 2396 KB Output is correct
16 Correct 56 ms 2472 KB Output is correct
17 Correct 30 ms 2392 KB Output is correct
18 Correct 37 ms 2396 KB Output is correct
19 Correct 41 ms 2492 KB Output is correct
20 Correct 43 ms 2244 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 2392 KB Output is correct
2 Correct 10 ms 2492 KB Output is correct
3 Correct 7 ms 2396 KB Output is correct
4 Correct 7 ms 2396 KB Output is correct
5 Correct 18 ms 2500 KB Output is correct
6 Correct 12 ms 2396 KB Output is correct
7 Correct 10 ms 2396 KB Output is correct
8 Correct 18 ms 2504 KB Output is correct
9 Correct 15 ms 2648 KB Output is correct
10 Correct 43 ms 2396 KB Output is correct
11 Correct 52 ms 2396 KB Output is correct
12 Correct 46 ms 2396 KB Output is correct
13 Correct 41 ms 2396 KB Output is correct
14 Correct 42 ms 2396 KB Output is correct
15 Correct 50 ms 2396 KB Output is correct
16 Correct 56 ms 2472 KB Output is correct
17 Correct 30 ms 2392 KB Output is correct
18 Correct 37 ms 2396 KB Output is correct
19 Correct 41 ms 2492 KB Output is correct
20 Correct 43 ms 2244 KB Output is correct
21 Correct 93 ms 2496 KB Output is correct
22 Correct 111 ms 2500 KB Output is correct
23 Correct 75 ms 2392 KB Output is correct
24 Correct 139 ms 2396 KB Output is correct
25 Correct 140 ms 2572 KB Output is correct
26 Correct 141 ms 2384 KB Output is correct
27 Correct 140 ms 2568 KB Output is correct
28 Correct 140 ms 2572 KB Output is correct
29 Correct 141 ms 2384 KB Output is correct
30 Correct 140 ms 2528 KB Output is correct
31 Correct 143 ms 2396 KB Output is correct
32 Correct 144 ms 2388 KB Output is correct
33 Correct 139 ms 2396 KB Output is correct
34 Correct 139 ms 2572 KB Output is correct
35 Correct 140 ms 2384 KB Output is correct
36 Correct 148 ms 2396 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 2392 KB Output is correct
2 Correct 10 ms 2492 KB Output is correct
3 Correct 7 ms 2396 KB Output is correct
4 Correct 7 ms 2396 KB Output is correct
5 Correct 18 ms 2500 KB Output is correct
6 Correct 12 ms 2396 KB Output is correct
7 Correct 10 ms 2396 KB Output is correct
8 Correct 18 ms 2504 KB Output is correct
9 Correct 15 ms 2648 KB Output is correct
10 Correct 43 ms 2396 KB Output is correct
11 Correct 52 ms 2396 KB Output is correct
12 Correct 46 ms 2396 KB Output is correct
13 Correct 41 ms 2396 KB Output is correct
14 Correct 42 ms 2396 KB Output is correct
15 Correct 50 ms 2396 KB Output is correct
16 Correct 56 ms 2472 KB Output is correct
17 Correct 30 ms 2392 KB Output is correct
18 Correct 37 ms 2396 KB Output is correct
19 Correct 41 ms 2492 KB Output is correct
20 Correct 43 ms 2244 KB Output is correct
21 Correct 93 ms 2496 KB Output is correct
22 Correct 111 ms 2500 KB Output is correct
23 Correct 75 ms 2392 KB Output is correct
24 Correct 139 ms 2396 KB Output is correct
25 Correct 140 ms 2572 KB Output is correct
26 Correct 141 ms 2384 KB Output is correct
27 Correct 140 ms 2568 KB Output is correct
28 Correct 140 ms 2572 KB Output is correct
29 Correct 141 ms 2384 KB Output is correct
30 Correct 140 ms 2528 KB Output is correct
31 Correct 143 ms 2396 KB Output is correct
32 Correct 144 ms 2388 KB Output is correct
33 Correct 139 ms 2396 KB Output is correct
34 Correct 139 ms 2572 KB Output is correct
35 Correct 140 ms 2384 KB Output is correct
36 Correct 148 ms 2396 KB Output is correct
37 Correct 287 ms 2644 KB Output is correct
38 Correct 290 ms 2896 KB Output is correct
39 Correct 349 ms 2784 KB Output is correct
40 Correct 399 ms 2732 KB Output is correct
41 Correct 380 ms 3024 KB Output is correct
42 Correct 373 ms 2644 KB Output is correct
43 Correct 377 ms 2936 KB Output is correct
44 Correct 381 ms 2940 KB Output is correct
45 Correct 388 ms 2940 KB Output is correct
46 Correct 377 ms 2640 KB Output is correct
47 Correct 385 ms 2724 KB Output is correct
48 Correct 370 ms 3032 KB Output is correct
49 Correct 356 ms 3024 KB Output is correct
50 Correct 375 ms 2644 KB Output is correct
51 Correct 351 ms 2896 KB Output is correct
52 Correct 423 ms 3328 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 2392 KB Output is correct
2 Correct 10 ms 2492 KB Output is correct
3 Correct 7 ms 2396 KB Output is correct
4 Correct 7 ms 2396 KB Output is correct
5 Correct 18 ms 2500 KB Output is correct
6 Correct 12 ms 2396 KB Output is correct
7 Correct 10 ms 2396 KB Output is correct
8 Correct 18 ms 2504 KB Output is correct
9 Correct 15 ms 2648 KB Output is correct
10 Correct 43 ms 2396 KB Output is correct
11 Correct 52 ms 2396 KB Output is correct
12 Correct 46 ms 2396 KB Output is correct
13 Correct 41 ms 2396 KB Output is correct
14 Correct 42 ms 2396 KB Output is correct
15 Correct 50 ms 2396 KB Output is correct
16 Correct 56 ms 2472 KB Output is correct
17 Correct 30 ms 2392 KB Output is correct
18 Correct 37 ms 2396 KB Output is correct
19 Correct 41 ms 2492 KB Output is correct
20 Correct 43 ms 2244 KB Output is correct
21 Correct 93 ms 2496 KB Output is correct
22 Correct 111 ms 2500 KB Output is correct
23 Correct 75 ms 2392 KB Output is correct
24 Correct 139 ms 2396 KB Output is correct
25 Correct 140 ms 2572 KB Output is correct
26 Correct 141 ms 2384 KB Output is correct
27 Correct 140 ms 2568 KB Output is correct
28 Correct 140 ms 2572 KB Output is correct
29 Correct 141 ms 2384 KB Output is correct
30 Correct 140 ms 2528 KB Output is correct
31 Correct 143 ms 2396 KB Output is correct
32 Correct 144 ms 2388 KB Output is correct
33 Correct 139 ms 2396 KB Output is correct
34 Correct 139 ms 2572 KB Output is correct
35 Correct 140 ms 2384 KB Output is correct
36 Correct 148 ms 2396 KB Output is correct
37 Correct 287 ms 2644 KB Output is correct
38 Correct 290 ms 2896 KB Output is correct
39 Correct 349 ms 2784 KB Output is correct
40 Correct 399 ms 2732 KB Output is correct
41 Correct 380 ms 3024 KB Output is correct
42 Correct 373 ms 2644 KB Output is correct
43 Correct 377 ms 2936 KB Output is correct
44 Correct 381 ms 2940 KB Output is correct
45 Correct 388 ms 2940 KB Output is correct
46 Correct 377 ms 2640 KB Output is correct
47 Correct 385 ms 2724 KB Output is correct
48 Correct 370 ms 3032 KB Output is correct
49 Correct 356 ms 3024 KB Output is correct
50 Correct 375 ms 2644 KB Output is correct
51 Correct 351 ms 2896 KB Output is correct
52 Correct 423 ms 3328 KB Output is correct
53 Correct 463 ms 2884 KB Output is correct
54 Correct 542 ms 2944 KB Output is correct
55 Correct 585 ms 3540 KB Output is correct
56 Correct 479 ms 3032 KB Output is correct
57 Correct 594 ms 3676 KB Output is correct
58 Incorrect 551 ms 3024 KB Output isn't correct
59 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 2392 KB Output is correct
2 Correct 10 ms 2492 KB Output is correct
3 Correct 7 ms 2396 KB Output is correct
4 Correct 7 ms 2396 KB Output is correct
5 Correct 18 ms 2500 KB Output is correct
6 Correct 12 ms 2396 KB Output is correct
7 Correct 10 ms 2396 KB Output is correct
8 Correct 18 ms 2504 KB Output is correct
9 Correct 15 ms 2648 KB Output is correct
10 Correct 43 ms 2396 KB Output is correct
11 Correct 52 ms 2396 KB Output is correct
12 Correct 46 ms 2396 KB Output is correct
13 Correct 41 ms 2396 KB Output is correct
14 Correct 42 ms 2396 KB Output is correct
15 Correct 50 ms 2396 KB Output is correct
16 Correct 56 ms 2472 KB Output is correct
17 Correct 30 ms 2392 KB Output is correct
18 Correct 37 ms 2396 KB Output is correct
19 Correct 41 ms 2492 KB Output is correct
20 Correct 43 ms 2244 KB Output is correct
21 Correct 93 ms 2496 KB Output is correct
22 Correct 111 ms 2500 KB Output is correct
23 Correct 75 ms 2392 KB Output is correct
24 Correct 139 ms 2396 KB Output is correct
25 Correct 140 ms 2572 KB Output is correct
26 Correct 141 ms 2384 KB Output is correct
27 Correct 140 ms 2568 KB Output is correct
28 Correct 140 ms 2572 KB Output is correct
29 Correct 141 ms 2384 KB Output is correct
30 Correct 140 ms 2528 KB Output is correct
31 Correct 143 ms 2396 KB Output is correct
32 Correct 144 ms 2388 KB Output is correct
33 Correct 139 ms 2396 KB Output is correct
34 Correct 139 ms 2572 KB Output is correct
35 Correct 140 ms 2384 KB Output is correct
36 Correct 148 ms 2396 KB Output is correct
37 Correct 287 ms 2644 KB Output is correct
38 Correct 290 ms 2896 KB Output is correct
39 Correct 349 ms 2784 KB Output is correct
40 Correct 399 ms 2732 KB Output is correct
41 Correct 380 ms 3024 KB Output is correct
42 Correct 373 ms 2644 KB Output is correct
43 Correct 377 ms 2936 KB Output is correct
44 Correct 381 ms 2940 KB Output is correct
45 Correct 388 ms 2940 KB Output is correct
46 Correct 377 ms 2640 KB Output is correct
47 Correct 385 ms 2724 KB Output is correct
48 Correct 370 ms 3032 KB Output is correct
49 Correct 356 ms 3024 KB Output is correct
50 Correct 375 ms 2644 KB Output is correct
51 Correct 351 ms 2896 KB Output is correct
52 Correct 423 ms 3328 KB Output is correct
53 Correct 463 ms 2884 KB Output is correct
54 Correct 542 ms 2944 KB Output is correct
55 Correct 585 ms 3540 KB Output is correct
56 Correct 479 ms 3032 KB Output is correct
57 Correct 594 ms 3676 KB Output is correct
58 Incorrect 551 ms 3024 KB Output isn't correct
59 Halted 0 ms 0 KB -