oj.uz

Submission #888390

# Submission time Handle Problem Language Result Execution time Memory
888390 2023-12-17T08:58:19 Z pcc Bootfall (IZhO17_bootfall) C++14
44 / 100
 294 ms 3248 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 = 712271227;
	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);

	memset(dp,0,sizeof(dp));
	mod = 1e9+7;
	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 9 ms 2396 KB Output is correct
2 Correct 7 ms 2396 KB Output is correct
3 Correct 6 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 7 ms 2396 KB Output is correct
6 Correct 7 ms 2520 KB Output is correct
7 Correct 4 ms 2528 KB Output is correct
8 Correct 6 ms 2392 KB Output is correct
9 Correct 5 ms 2392 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 2396 KB Output is correct
2 Correct 7 ms 2396 KB Output is correct
3 Correct 6 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 7 ms 2396 KB Output is correct
6 Correct 7 ms 2520 KB Output is correct
7 Correct 4 ms 2528 KB Output is correct
8 Correct 6 ms 2392 KB Output is correct
9 Correct 5 ms 2392 KB Output is correct
10 Correct 20 ms 2520 KB Output is correct
11 Correct 36 ms 2520 KB Output is correct
12 Correct 25 ms 2392 KB Output is correct
13 Correct 28 ms 2392 KB Output is correct
14 Correct 28 ms 2396 KB Output is correct
15 Correct 34 ms 2396 KB Output is correct
16 Correct 38 ms 2392 KB Output is correct
17 Correct 19 ms 2396 KB Output is correct
18 Correct 24 ms 2648 KB Output is correct
19 Correct 28 ms 2396 KB Output is correct
20 Correct 17 ms 2396 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 2396 KB Output is correct
2 Correct 7 ms 2396 KB Output is correct
3 Correct 6 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 7 ms 2396 KB Output is correct
6 Correct 7 ms 2520 KB Output is correct
7 Correct 4 ms 2528 KB Output is correct
8 Correct 6 ms 2392 KB Output is correct
9 Correct 5 ms 2392 KB Output is correct
10 Correct 20 ms 2520 KB Output is correct
11 Correct 36 ms 2520 KB Output is correct
12 Correct 25 ms 2392 KB Output is correct
13 Correct 28 ms 2392 KB Output is correct
14 Correct 28 ms 2396 KB Output is correct
15 Correct 34 ms 2396 KB Output is correct
16 Correct 38 ms 2392 KB Output is correct
17 Correct 19 ms 2396 KB Output is correct
18 Correct 24 ms 2648 KB Output is correct
19 Correct 28 ms 2396 KB Output is correct
20 Correct 17 ms 2396 KB Output is correct
21 Correct 34 ms 2396 KB Output is correct
22 Correct 41 ms 2652 KB Output is correct
23 Correct 29 ms 2396 KB Output is correct
24 Correct 55 ms 2540 KB Output is correct
25 Correct 34 ms 2396 KB Output is correct
26 Correct 36 ms 2392 KB Output is correct
27 Correct 36 ms 2396 KB Output is correct
28 Correct 36 ms 2504 KB Output is correct
29 Correct 36 ms 2512 KB Output is correct
30 Correct 49 ms 2652 KB Output is correct
31 Correct 36 ms 2592 KB Output is correct
32 Correct 54 ms 2532 KB Output is correct
33 Correct 37 ms 2396 KB Output is correct
34 Correct 38 ms 2396 KB Output is correct
35 Correct 37 ms 2396 KB Output is correct
36 Correct 60 ms 2528 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 2396 KB Output is correct
2 Correct 7 ms 2396 KB Output is correct
3 Correct 6 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 7 ms 2396 KB Output is correct
6 Correct 7 ms 2520 KB Output is correct
7 Correct 4 ms 2528 KB Output is correct
8 Correct 6 ms 2392 KB Output is correct
9 Correct 5 ms 2392 KB Output is correct
10 Correct 20 ms 2520 KB Output is correct
11 Correct 36 ms 2520 KB Output is correct
12 Correct 25 ms 2392 KB Output is correct
13 Correct 28 ms 2392 KB Output is correct
14 Correct 28 ms 2396 KB Output is correct
15 Correct 34 ms 2396 KB Output is correct
16 Correct 38 ms 2392 KB Output is correct
17 Correct 19 ms 2396 KB Output is correct
18 Correct 24 ms 2648 KB Output is correct
19 Correct 28 ms 2396 KB Output is correct
20 Correct 17 ms 2396 KB Output is correct
21 Correct 34 ms 2396 KB Output is correct
22 Correct 41 ms 2652 KB Output is correct
23 Correct 29 ms 2396 KB Output is correct
24 Correct 55 ms 2540 KB Output is correct
25 Correct 34 ms 2396 KB Output is correct
26 Correct 36 ms 2392 KB Output is correct
27 Correct 36 ms 2396 KB Output is correct
28 Correct 36 ms 2504 KB Output is correct
29 Correct 36 ms 2512 KB Output is correct
30 Correct 49 ms 2652 KB Output is correct
31 Correct 36 ms 2592 KB Output is correct
32 Correct 54 ms 2532 KB Output is correct
33 Correct 37 ms 2396 KB Output is correct
34 Correct 38 ms 2396 KB Output is correct
35 Correct 37 ms 2396 KB Output is correct
36 Correct 60 ms 2528 KB Output is correct
37 Correct 81 ms 2644 KB Output is correct
38 Correct 82 ms 2608 KB Output is correct
39 Correct 161 ms 2384 KB Output is correct
40 Correct 142 ms 2496 KB Output is correct
41 Correct 188 ms 2488 KB Output is correct
42 Correct 131 ms 2516 KB Output is correct
43 Correct 136 ms 2640 KB Output is correct
44 Correct 146 ms 2732 KB Output is correct
45 Correct 145 ms 2640 KB Output is correct
46 Correct 142 ms 2392 KB Output is correct
47 Correct 132 ms 2640 KB Output is correct
48 Correct 150 ms 2736 KB Output is correct
49 Correct 153 ms 2384 KB Output is correct
50 Correct 137 ms 2640 KB Output is correct
51 Correct 135 ms 2640 KB Output is correct
52 Correct 175 ms 2896 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 2396 KB Output is correct
2 Correct 7 ms 2396 KB Output is correct
3 Correct 6 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 7 ms 2396 KB Output is correct
6 Correct 7 ms 2520 KB Output is correct
7 Correct 4 ms 2528 KB Output is correct
8 Correct 6 ms 2392 KB Output is correct
9 Correct 5 ms 2392 KB Output is correct
10 Correct 20 ms 2520 KB Output is correct
11 Correct 36 ms 2520 KB Output is correct
12 Correct 25 ms 2392 KB Output is correct
13 Correct 28 ms 2392 KB Output is correct
14 Correct 28 ms 2396 KB Output is correct
15 Correct 34 ms 2396 KB Output is correct
16 Correct 38 ms 2392 KB Output is correct
17 Correct 19 ms 2396 KB Output is correct
18 Correct 24 ms 2648 KB Output is correct
19 Correct 28 ms 2396 KB Output is correct
20 Correct 17 ms 2396 KB Output is correct
21 Correct 34 ms 2396 KB Output is correct
22 Correct 41 ms 2652 KB Output is correct
23 Correct 29 ms 2396 KB Output is correct
24 Correct 55 ms 2540 KB Output is correct
25 Correct 34 ms 2396 KB Output is correct
26 Correct 36 ms 2392 KB Output is correct
27 Correct 36 ms 2396 KB Output is correct
28 Correct 36 ms 2504 KB Output is correct
29 Correct 36 ms 2512 KB Output is correct
30 Correct 49 ms 2652 KB Output is correct
31 Correct 36 ms 2592 KB Output is correct
32 Correct 54 ms 2532 KB Output is correct
33 Correct 37 ms 2396 KB Output is correct
34 Correct 38 ms 2396 KB Output is correct
35 Correct 37 ms 2396 KB Output is correct
36 Correct 60 ms 2528 KB Output is correct
37 Correct 81 ms 2644 KB Output is correct
38 Correct 82 ms 2608 KB Output is correct
39 Correct 161 ms 2384 KB Output is correct
40 Correct 142 ms 2496 KB Output is correct
41 Correct 188 ms 2488 KB Output is correct
42 Correct 131 ms 2516 KB Output is correct
43 Correct 136 ms 2640 KB Output is correct
44 Correct 146 ms 2732 KB Output is correct
45 Correct 145 ms 2640 KB Output is correct
46 Correct 142 ms 2392 KB Output is correct
47 Correct 132 ms 2640 KB Output is correct
48 Correct 150 ms 2736 KB Output is correct
49 Correct 153 ms 2384 KB Output is correct
50 Correct 137 ms 2640 KB Output is correct
51 Correct 135 ms 2640 KB Output is correct
52 Correct 175 ms 2896 KB Output is correct
53 Correct 162 ms 2720 KB Output is correct
54 Correct 199 ms 2736 KB Output is correct
55 Correct 292 ms 2880 KB Output is correct
56 Correct 171 ms 2760 KB Output is correct
57 Correct 294 ms 3248 KB Output is correct
58 Incorrect 228 ms 2900 KB Output isn't correct
59 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 2396 KB Output is correct
2 Correct 7 ms 2396 KB Output is correct
3 Correct 6 ms 2396 KB Output is correct
4 Correct 2 ms 2396 KB Output is correct
5 Correct 7 ms 2396 KB Output is correct
6 Correct 7 ms 2520 KB Output is correct
7 Correct 4 ms 2528 KB Output is correct
8 Correct 6 ms 2392 KB Output is correct
9 Correct 5 ms 2392 KB Output is correct
10 Correct 20 ms 2520 KB Output is correct
11 Correct 36 ms 2520 KB Output is correct
12 Correct 25 ms 2392 KB Output is correct
13 Correct 28 ms 2392 KB Output is correct
14 Correct 28 ms 2396 KB Output is correct
15 Correct 34 ms 2396 KB Output is correct
16 Correct 38 ms 2392 KB Output is correct
17 Correct 19 ms 2396 KB Output is correct
18 Correct 24 ms 2648 KB Output is correct
19 Correct 28 ms 2396 KB Output is correct
20 Correct 17 ms 2396 KB Output is correct
21 Correct 34 ms 2396 KB Output is correct
22 Correct 41 ms 2652 KB Output is correct
23 Correct 29 ms 2396 KB Output is correct
24 Correct 55 ms 2540 KB Output is correct
25 Correct 34 ms 2396 KB Output is correct
26 Correct 36 ms 2392 KB Output is correct
27 Correct 36 ms 2396 KB Output is correct
28 Correct 36 ms 2504 KB Output is correct
29 Correct 36 ms 2512 KB Output is correct
30 Correct 49 ms 2652 KB Output is correct
31 Correct 36 ms 2592 KB Output is correct
32 Correct 54 ms 2532 KB Output is correct
33 Correct 37 ms 2396 KB Output is correct
34 Correct 38 ms 2396 KB Output is correct
35 Correct 37 ms 2396 KB Output is correct
36 Correct 60 ms 2528 KB Output is correct
37 Correct 81 ms 2644 KB Output is correct
38 Correct 82 ms 2608 KB Output is correct
39 Correct 161 ms 2384 KB Output is correct
40 Correct 142 ms 2496 KB Output is correct
41 Correct 188 ms 2488 KB Output is correct
42 Correct 131 ms 2516 KB Output is correct
43 Correct 136 ms 2640 KB Output is correct
44 Correct 146 ms 2732 KB Output is correct
45 Correct 145 ms 2640 KB Output is correct
46 Correct 142 ms 2392 KB Output is correct
47 Correct 132 ms 2640 KB Output is correct
48 Correct 150 ms 2736 KB Output is correct
49 Correct 153 ms 2384 KB Output is correct
50 Correct 137 ms 2640 KB Output is correct
51 Correct 135 ms 2640 KB Output is correct
52 Correct 175 ms 2896 KB Output is correct
53 Correct 162 ms 2720 KB Output is correct
54 Correct 199 ms 2736 KB Output is correct
55 Correct 292 ms 2880 KB Output is correct
56 Correct 171 ms 2760 KB Output is correct
57 Correct 294 ms 3248 KB Output is correct
58 Incorrect 228 ms 2900 KB Output isn't correct
59 Halted 0 ms 0 KB -