oj.uz

Submission #888395

# Submission time Handle Problem Language Result Execution time Memory
888395 2023-12-17T09:16:06 Z pcc Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 5456 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>
mt19937 seed(time(NULL));
#define rnd(l,r) uniform_int_distribution<int>(l,r)(seed)

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;
set<int> ans;

inline int mad(int a,int b){
	a += b;
	return a>=mod?a-mod:a;
}
inline int 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(now+now>tsum)return false;
	if(!del[tsum>>1])return false;
	return true;
}

inline void relax(int tar){
	mod = tar;
	memset(dp,0,sizeof(dp));
	dp[0] = 1;
	able.set();
	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(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.insert(j);
}

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];
	}
	int lim = CLOCKS_PER_SEC*0.9;
	int st = clock();

	relax((int)1e9+7);
	relax((int)712271227);
	relax((int)1e8+7);
	relax(113);
	relax(998244353);
	relax(101010111);
	const int inf = 1e9+10;
	//cout<<rnd(0,inf);
	if(n>350)while(clock()-st<=lim)relax(rnd(0,inf));


	/*
	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 19 ms 2392 KB Output is correct
2 Correct 15 ms 2396 KB Output is correct
3 Correct 12 ms 2392 KB Output is correct
4 Correct 5 ms 2648 KB Output is correct
5 Correct 17 ms 2536 KB Output is correct
6 Correct 16 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 13 ms 2524 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 2392 KB Output is correct
2 Correct 15 ms 2396 KB Output is correct
3 Correct 12 ms 2392 KB Output is correct
4 Correct 5 ms 2648 KB Output is correct
5 Correct 17 ms 2536 KB Output is correct
6 Correct 16 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 13 ms 2524 KB Output is correct
10 Correct 50 ms 2396 KB Output is correct
11 Correct 84 ms 2900 KB Output is correct
12 Correct 60 ms 2396 KB Output is correct
13 Correct 65 ms 2396 KB Output is correct
14 Correct 65 ms 2396 KB Output is correct
15 Correct 77 ms 2756 KB Output is correct
16 Correct 86 ms 2396 KB Output is correct
17 Correct 43 ms 2396 KB Output is correct
18 Correct 55 ms 2392 KB Output is correct
19 Correct 65 ms 2524 KB Output is correct
20 Correct 45 ms 2508 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 2392 KB Output is correct
2 Correct 15 ms 2396 KB Output is correct
3 Correct 12 ms 2392 KB Output is correct
4 Correct 5 ms 2648 KB Output is correct
5 Correct 17 ms 2536 KB Output is correct
6 Correct 16 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 13 ms 2524 KB Output is correct
10 Correct 50 ms 2396 KB Output is correct
11 Correct 84 ms 2900 KB Output is correct
12 Correct 60 ms 2396 KB Output is correct
13 Correct 65 ms 2396 KB Output is correct
14 Correct 65 ms 2396 KB Output is correct
15 Correct 77 ms 2756 KB Output is correct
16 Correct 86 ms 2396 KB Output is correct
17 Correct 43 ms 2396 KB Output is correct
18 Correct 55 ms 2392 KB Output is correct
19 Correct 65 ms 2524 KB Output is correct
20 Correct 45 ms 2508 KB Output is correct
21 Correct 90 ms 2396 KB Output is correct
22 Correct 107 ms 2648 KB Output is correct
23 Correct 75 ms 2596 KB Output is correct
24 Correct 142 ms 2392 KB Output is correct
25 Correct 101 ms 2648 KB Output is correct
26 Correct 107 ms 2656 KB Output is correct
27 Correct 107 ms 2544 KB Output is correct
28 Correct 108 ms 2392 KB Output is correct
29 Correct 108 ms 2548 KB Output is correct
30 Correct 129 ms 2504 KB Output is correct
31 Correct 107 ms 2672 KB Output is correct
32 Correct 142 ms 2396 KB Output is correct
33 Correct 111 ms 2504 KB Output is correct
34 Correct 112 ms 2528 KB Output is correct
35 Correct 109 ms 2512 KB Output is correct
36 Correct 155 ms 2396 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 2392 KB Output is correct
2 Correct 15 ms 2396 KB Output is correct
3 Correct 12 ms 2392 KB Output is correct
4 Correct 5 ms 2648 KB Output is correct
5 Correct 17 ms 2536 KB Output is correct
6 Correct 16 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 13 ms 2524 KB Output is correct
10 Correct 50 ms 2396 KB Output is correct
11 Correct 84 ms 2900 KB Output is correct
12 Correct 60 ms 2396 KB Output is correct
13 Correct 65 ms 2396 KB Output is correct
14 Correct 65 ms 2396 KB Output is correct
15 Correct 77 ms 2756 KB Output is correct
16 Correct 86 ms 2396 KB Output is correct
17 Correct 43 ms 2396 KB Output is correct
18 Correct 55 ms 2392 KB Output is correct
19 Correct 65 ms 2524 KB Output is correct
20 Correct 45 ms 2508 KB Output is correct
21 Correct 90 ms 2396 KB Output is correct
22 Correct 107 ms 2648 KB Output is correct
23 Correct 75 ms 2596 KB Output is correct
24 Correct 142 ms 2392 KB Output is correct
25 Correct 101 ms 2648 KB Output is correct
26 Correct 107 ms 2656 KB Output is correct
27 Correct 107 ms 2544 KB Output is correct
28 Correct 108 ms 2392 KB Output is correct
29 Correct 108 ms 2548 KB Output is correct
30 Correct 129 ms 2504 KB Output is correct
31 Correct 107 ms 2672 KB Output is correct
32 Correct 142 ms 2396 KB Output is correct
33 Correct 111 ms 2504 KB Output is correct
34 Correct 112 ms 2528 KB Output is correct
35 Correct 109 ms 2512 KB Output is correct
36 Correct 155 ms 2396 KB Output is correct
37 Correct 227 ms 2756 KB Output is correct
38 Correct 227 ms 2956 KB Output is correct
39 Correct 429 ms 2388 KB Output is correct
40 Correct 368 ms 3256 KB Output is correct
41 Correct 497 ms 2500 KB Output is correct
42 Correct 341 ms 3152 KB Output is correct
43 Correct 338 ms 3804 KB Output is correct
44 Correct 348 ms 3788 KB Output is correct
45 Correct 351 ms 3792 KB Output is correct
46 Correct 382 ms 2508 KB Output is correct
47 Correct 335 ms 3276 KB Output is correct
48 Correct 374 ms 3396 KB Output is correct
49 Correct 393 ms 2644 KB Output is correct
50 Correct 347 ms 3408 KB Output is correct
51 Correct 353 ms 2504 KB Output is correct
52 Correct 415 ms 3868 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 2392 KB Output is correct
2 Correct 15 ms 2396 KB Output is correct
3 Correct 12 ms 2392 KB Output is correct
4 Correct 5 ms 2648 KB Output is correct
5 Correct 17 ms 2536 KB Output is correct
6 Correct 16 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 13 ms 2524 KB Output is correct
10 Correct 50 ms 2396 KB Output is correct
11 Correct 84 ms 2900 KB Output is correct
12 Correct 60 ms 2396 KB Output is correct
13 Correct 65 ms 2396 KB Output is correct
14 Correct 65 ms 2396 KB Output is correct
15 Correct 77 ms 2756 KB Output is correct
16 Correct 86 ms 2396 KB Output is correct
17 Correct 43 ms 2396 KB Output is correct
18 Correct 55 ms 2392 KB Output is correct
19 Correct 65 ms 2524 KB Output is correct
20 Correct 45 ms 2508 KB Output is correct
21 Correct 90 ms 2396 KB Output is correct
22 Correct 107 ms 2648 KB Output is correct
23 Correct 75 ms 2596 KB Output is correct
24 Correct 142 ms 2392 KB Output is correct
25 Correct 101 ms 2648 KB Output is correct
26 Correct 107 ms 2656 KB Output is correct
27 Correct 107 ms 2544 KB Output is correct
28 Correct 108 ms 2392 KB Output is correct
29 Correct 108 ms 2548 KB Output is correct
30 Correct 129 ms 2504 KB Output is correct
31 Correct 107 ms 2672 KB Output is correct
32 Correct 142 ms 2396 KB Output is correct
33 Correct 111 ms 2504 KB Output is correct
34 Correct 112 ms 2528 KB Output is correct
35 Correct 109 ms 2512 KB Output is correct
36 Correct 155 ms 2396 KB Output is correct
37 Correct 227 ms 2756 KB Output is correct
38 Correct 227 ms 2956 KB Output is correct
39 Correct 429 ms 2388 KB Output is correct
40 Correct 368 ms 3256 KB Output is correct
41 Correct 497 ms 2500 KB Output is correct
42 Correct 341 ms 3152 KB Output is correct
43 Correct 338 ms 3804 KB Output is correct
44 Correct 348 ms 3788 KB Output is correct
45 Correct 351 ms 3792 KB Output is correct
46 Correct 382 ms 2508 KB Output is correct
47 Correct 335 ms 3276 KB Output is correct
48 Correct 374 ms 3396 KB Output is correct
49 Correct 393 ms 2644 KB Output is correct
50 Correct 347 ms 3408 KB Output is correct
51 Correct 353 ms 2504 KB Output is correct
52 Correct 415 ms 3868 KB Output is correct
53 Correct 405 ms 3556 KB Output is correct
54 Correct 488 ms 3796 KB Output is correct
55 Correct 636 ms 5204 KB Output is correct
56 Correct 427 ms 3828 KB Output is correct
57 Correct 647 ms 5456 KB Output is correct
58 Correct 535 ms 3948 KB Output is correct
59 Correct 527 ms 4280 KB Output is correct
60 Correct 583 ms 2500 KB Output is correct
61 Correct 554 ms 4692 KB Output is correct
62 Correct 532 ms 4924 KB Output is correct
63 Correct 559 ms 4816 KB Output is correct
64 Correct 550 ms 5064 KB Output is correct
65 Correct 509 ms 2392 KB Output is correct
66 Correct 513 ms 2760 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 2392 KB Output is correct
2 Correct 15 ms 2396 KB Output is correct
3 Correct 12 ms 2392 KB Output is correct
4 Correct 5 ms 2648 KB Output is correct
5 Correct 17 ms 2536 KB Output is correct
6 Correct 16 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 13 ms 2524 KB Output is correct
10 Correct 50 ms 2396 KB Output is correct
11 Correct 84 ms 2900 KB Output is correct
12 Correct 60 ms 2396 KB Output is correct
13 Correct 65 ms 2396 KB Output is correct
14 Correct 65 ms 2396 KB Output is correct
15 Correct 77 ms 2756 KB Output is correct
16 Correct 86 ms 2396 KB Output is correct
17 Correct 43 ms 2396 KB Output is correct
18 Correct 55 ms 2392 KB Output is correct
19 Correct 65 ms 2524 KB Output is correct
20 Correct 45 ms 2508 KB Output is correct
21 Correct 90 ms 2396 KB Output is correct
22 Correct 107 ms 2648 KB Output is correct
23 Correct 75 ms 2596 KB Output is correct
24 Correct 142 ms 2392 KB Output is correct
25 Correct 101 ms 2648 KB Output is correct
26 Correct 107 ms 2656 KB Output is correct
27 Correct 107 ms 2544 KB Output is correct
28 Correct 108 ms 2392 KB Output is correct
29 Correct 108 ms 2548 KB Output is correct
30 Correct 129 ms 2504 KB Output is correct
31 Correct 107 ms 2672 KB Output is correct
32 Correct 142 ms 2396 KB Output is correct
33 Correct 111 ms 2504 KB Output is correct
34 Correct 112 ms 2528 KB Output is correct
35 Correct 109 ms 2512 KB Output is correct
36 Correct 155 ms 2396 KB Output is correct
37 Correct 227 ms 2756 KB Output is correct
38 Correct 227 ms 2956 KB Output is correct
39 Correct 429 ms 2388 KB Output is correct
40 Correct 368 ms 3256 KB Output is correct
41 Correct 497 ms 2500 KB Output is correct
42 Correct 341 ms 3152 KB Output is correct
43 Correct 338 ms 3804 KB Output is correct
44 Correct 348 ms 3788 KB Output is correct
45 Correct 351 ms 3792 KB Output is correct
46 Correct 382 ms 2508 KB Output is correct
47 Correct 335 ms 3276 KB Output is correct
48 Correct 374 ms 3396 KB Output is correct
49 Correct 393 ms 2644 KB Output is correct
50 Correct 347 ms 3408 KB Output is correct
51 Correct 353 ms 2504 KB Output is correct
52 Correct 415 ms 3868 KB Output is correct
53 Correct 405 ms 3556 KB Output is correct
54 Correct 488 ms 3796 KB Output is correct
55 Correct 636 ms 5204 KB Output is correct
56 Correct 427 ms 3828 KB Output is correct
57 Correct 647 ms 5456 KB Output is correct
58 Correct 535 ms 3948 KB Output is correct
59 Correct 527 ms 4280 KB Output is correct
60 Correct 583 ms 2500 KB Output is correct
61 Correct 554 ms 4692 KB Output is correct
62 Correct 532 ms 4924 KB Output is correct
63 Correct 559 ms 4816 KB Output is correct
64 Correct 550 ms 5064 KB Output is correct
65 Correct 509 ms 2392 KB Output is correct
66 Correct 513 ms 2760 KB Output is correct
67 Correct 961 ms 4372 KB Output is correct
68 Execution timed out 1079 ms 2396 KB Time limit exceeded
69 Halted 0 ms 0 KB -