oj.uz

Submission #888397

# Submission time Handle Problem Language Result Execution time Memory
888397 2023-12-17T09:18:06 Z pcc Bootfall (IZhO17_bootfall) C++14
65 / 100
 747 ms 4616 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/2;
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;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:69:6: warning: unused variable 'lim' [-Wunused-variable]
   69 |  int lim = CLOCKS_PER_SEC*0.9;
      |      ^~~
bootfall.cpp:70:6: warning: unused variable 'st' [-Wunused-variable]
   70 |  int st = clock();
      |      ^~
bootfall.cpp:78:12: warning: unused variable 'inf' [-Wunused-variable]
   78 |  const int inf = 1e9+10;
      |            ^~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1368 KB Output is correct
2 Correct 7 ms 1368 KB Output is correct
3 Correct 5 ms 1372 KB Output is correct
4 Correct 2 ms 1372 KB Output is correct
5 Correct 7 ms 1368 KB Output is correct
6 Correct 7 ms 1624 KB Output is correct
7 Correct 4 ms 1500 KB Output is correct
8 Correct 6 ms 1372 KB Output is correct
9 Correct 5 ms 1372 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1368 KB Output is correct
2 Correct 7 ms 1368 KB Output is correct
3 Correct 5 ms 1372 KB Output is correct
4 Correct 2 ms 1372 KB Output is correct
5 Correct 7 ms 1368 KB Output is correct
6 Correct 7 ms 1624 KB Output is correct
7 Correct 4 ms 1500 KB Output is correct
8 Correct 6 ms 1372 KB Output is correct
9 Correct 5 ms 1372 KB Output is correct
10 Correct 21 ms 1496 KB Output is correct
11 Correct 34 ms 1476 KB Output is correct
12 Correct 25 ms 1496 KB Output is correct
13 Correct 27 ms 1372 KB Output is correct
14 Correct 29 ms 1372 KB Output is correct
15 Correct 33 ms 1372 KB Output is correct
16 Correct 36 ms 1372 KB Output is correct
17 Correct 18 ms 1496 KB Output is correct
18 Correct 23 ms 1372 KB Output is correct
19 Correct 27 ms 1372 KB Output is correct
20 Correct 19 ms 1372 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1368 KB Output is correct
2 Correct 7 ms 1368 KB Output is correct
3 Correct 5 ms 1372 KB Output is correct
4 Correct 2 ms 1372 KB Output is correct
5 Correct 7 ms 1368 KB Output is correct
6 Correct 7 ms 1624 KB Output is correct
7 Correct 4 ms 1500 KB Output is correct
8 Correct 6 ms 1372 KB Output is correct
9 Correct 5 ms 1372 KB Output is correct
10 Correct 21 ms 1496 KB Output is correct
11 Correct 34 ms 1476 KB Output is correct
12 Correct 25 ms 1496 KB Output is correct
13 Correct 27 ms 1372 KB Output is correct
14 Correct 29 ms 1372 KB Output is correct
15 Correct 33 ms 1372 KB Output is correct
16 Correct 36 ms 1372 KB Output is correct
17 Correct 18 ms 1496 KB Output is correct
18 Correct 23 ms 1372 KB Output is correct
19 Correct 27 ms 1372 KB Output is correct
20 Correct 19 ms 1372 KB Output is correct
21 Correct 40 ms 1560 KB Output is correct
22 Correct 45 ms 1372 KB Output is correct
23 Correct 31 ms 1368 KB Output is correct
24 Correct 60 ms 1488 KB Output is correct
25 Correct 46 ms 1628 KB Output is correct
26 Correct 48 ms 1624 KB Output is correct
27 Correct 53 ms 1500 KB Output is correct
28 Correct 50 ms 1368 KB Output is correct
29 Correct 49 ms 1620 KB Output is correct
30 Correct 55 ms 1624 KB Output is correct
31 Correct 47 ms 1624 KB Output is correct
32 Correct 60 ms 1368 KB Output is correct
33 Correct 52 ms 1368 KB Output is correct
34 Correct 52 ms 1372 KB Output is correct
35 Correct 50 ms 1372 KB Output is correct
36 Correct 65 ms 1372 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1368 KB Output is correct
2 Correct 7 ms 1368 KB Output is correct
3 Correct 5 ms 1372 KB Output is correct
4 Correct 2 ms 1372 KB Output is correct
5 Correct 7 ms 1368 KB Output is correct
6 Correct 7 ms 1624 KB Output is correct
7 Correct 4 ms 1500 KB Output is correct
8 Correct 6 ms 1372 KB Output is correct
9 Correct 5 ms 1372 KB Output is correct
10 Correct 21 ms 1496 KB Output is correct
11 Correct 34 ms 1476 KB Output is correct
12 Correct 25 ms 1496 KB Output is correct
13 Correct 27 ms 1372 KB Output is correct
14 Correct 29 ms 1372 KB Output is correct
15 Correct 33 ms 1372 KB Output is correct
16 Correct 36 ms 1372 KB Output is correct
17 Correct 18 ms 1496 KB Output is correct
18 Correct 23 ms 1372 KB Output is correct
19 Correct 27 ms 1372 KB Output is correct
20 Correct 19 ms 1372 KB Output is correct
21 Correct 40 ms 1560 KB Output is correct
22 Correct 45 ms 1372 KB Output is correct
23 Correct 31 ms 1368 KB Output is correct
24 Correct 60 ms 1488 KB Output is correct
25 Correct 46 ms 1628 KB Output is correct
26 Correct 48 ms 1624 KB Output is correct
27 Correct 53 ms 1500 KB Output is correct
28 Correct 50 ms 1368 KB Output is correct
29 Correct 49 ms 1620 KB Output is correct
30 Correct 55 ms 1624 KB Output is correct
31 Correct 47 ms 1624 KB Output is correct
32 Correct 60 ms 1368 KB Output is correct
33 Correct 52 ms 1368 KB Output is correct
34 Correct 52 ms 1372 KB Output is correct
35 Correct 50 ms 1372 KB Output is correct
36 Correct 65 ms 1372 KB Output is correct
37 Correct 106 ms 1920 KB Output is correct
38 Correct 105 ms 1876 KB Output is correct
39 Correct 251 ms 1476 KB Output is correct
40 Correct 176 ms 2224 KB Output is correct
41 Correct 296 ms 1476 KB Output is correct
42 Correct 162 ms 2132 KB Output is correct
43 Correct 174 ms 2644 KB Output is correct
44 Correct 183 ms 2708 KB Output is correct
45 Correct 185 ms 2752 KB Output is correct
46 Correct 192 ms 1380 KB Output is correct
47 Correct 161 ms 2384 KB Output is correct
48 Correct 198 ms 2388 KB Output is correct
49 Correct 221 ms 1696 KB Output is correct
50 Correct 169 ms 2128 KB Output is correct
51 Correct 177 ms 1472 KB Output is correct
52 Correct 228 ms 2900 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1368 KB Output is correct
2 Correct 7 ms 1368 KB Output is correct
3 Correct 5 ms 1372 KB Output is correct
4 Correct 2 ms 1372 KB Output is correct
5 Correct 7 ms 1368 KB Output is correct
6 Correct 7 ms 1624 KB Output is correct
7 Correct 4 ms 1500 KB Output is correct
8 Correct 6 ms 1372 KB Output is correct
9 Correct 5 ms 1372 KB Output is correct
10 Correct 21 ms 1496 KB Output is correct
11 Correct 34 ms 1476 KB Output is correct
12 Correct 25 ms 1496 KB Output is correct
13 Correct 27 ms 1372 KB Output is correct
14 Correct 29 ms 1372 KB Output is correct
15 Correct 33 ms 1372 KB Output is correct
16 Correct 36 ms 1372 KB Output is correct
17 Correct 18 ms 1496 KB Output is correct
18 Correct 23 ms 1372 KB Output is correct
19 Correct 27 ms 1372 KB Output is correct
20 Correct 19 ms 1372 KB Output is correct
21 Correct 40 ms 1560 KB Output is correct
22 Correct 45 ms 1372 KB Output is correct
23 Correct 31 ms 1368 KB Output is correct
24 Correct 60 ms 1488 KB Output is correct
25 Correct 46 ms 1628 KB Output is correct
26 Correct 48 ms 1624 KB Output is correct
27 Correct 53 ms 1500 KB Output is correct
28 Correct 50 ms 1368 KB Output is correct
29 Correct 49 ms 1620 KB Output is correct
30 Correct 55 ms 1624 KB Output is correct
31 Correct 47 ms 1624 KB Output is correct
32 Correct 60 ms 1368 KB Output is correct
33 Correct 52 ms 1368 KB Output is correct
34 Correct 52 ms 1372 KB Output is correct
35 Correct 50 ms 1372 KB Output is correct
36 Correct 65 ms 1372 KB Output is correct
37 Correct 106 ms 1920 KB Output is correct
38 Correct 105 ms 1876 KB Output is correct
39 Correct 251 ms 1476 KB Output is correct
40 Correct 176 ms 2224 KB Output is correct
41 Correct 296 ms 1476 KB Output is correct
42 Correct 162 ms 2132 KB Output is correct
43 Correct 174 ms 2644 KB Output is correct
44 Correct 183 ms 2708 KB Output is correct
45 Correct 185 ms 2752 KB Output is correct
46 Correct 192 ms 1380 KB Output is correct
47 Correct 161 ms 2384 KB Output is correct
48 Correct 198 ms 2388 KB Output is correct
49 Correct 221 ms 1696 KB Output is correct
50 Correct 169 ms 2128 KB Output is correct
51 Correct 177 ms 1472 KB Output is correct
52 Correct 228 ms 2900 KB Output is correct
53 Correct 201 ms 2640 KB Output is correct
54 Correct 258 ms 2760 KB Output is correct
55 Correct 359 ms 3920 KB Output is correct
56 Correct 220 ms 2896 KB Output is correct
57 Correct 370 ms 4188 KB Output is correct
58 Correct 269 ms 2900 KB Output is correct
59 Correct 289 ms 3408 KB Output is correct
60 Correct 321 ms 1372 KB Output is correct
61 Correct 305 ms 3576 KB Output is correct
62 Correct 300 ms 3900 KB Output is correct
63 Correct 312 ms 3792 KB Output is correct
64 Correct 315 ms 4180 KB Output is correct
65 Correct 283 ms 1372 KB Output is correct
66 Correct 285 ms 1620 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1368 KB Output is correct
2 Correct 7 ms 1368 KB Output is correct
3 Correct 5 ms 1372 KB Output is correct
4 Correct 2 ms 1372 KB Output is correct
5 Correct 7 ms 1368 KB Output is correct
6 Correct 7 ms 1624 KB Output is correct
7 Correct 4 ms 1500 KB Output is correct
8 Correct 6 ms 1372 KB Output is correct
9 Correct 5 ms 1372 KB Output is correct
10 Correct 21 ms 1496 KB Output is correct
11 Correct 34 ms 1476 KB Output is correct
12 Correct 25 ms 1496 KB Output is correct
13 Correct 27 ms 1372 KB Output is correct
14 Correct 29 ms 1372 KB Output is correct
15 Correct 33 ms 1372 KB Output is correct
16 Correct 36 ms 1372 KB Output is correct
17 Correct 18 ms 1496 KB Output is correct
18 Correct 23 ms 1372 KB Output is correct
19 Correct 27 ms 1372 KB Output is correct
20 Correct 19 ms 1372 KB Output is correct
21 Correct 40 ms 1560 KB Output is correct
22 Correct 45 ms 1372 KB Output is correct
23 Correct 31 ms 1368 KB Output is correct
24 Correct 60 ms 1488 KB Output is correct
25 Correct 46 ms 1628 KB Output is correct
26 Correct 48 ms 1624 KB Output is correct
27 Correct 53 ms 1500 KB Output is correct
28 Correct 50 ms 1368 KB Output is correct
29 Correct 49 ms 1620 KB Output is correct
30 Correct 55 ms 1624 KB Output is correct
31 Correct 47 ms 1624 KB Output is correct
32 Correct 60 ms 1368 KB Output is correct
33 Correct 52 ms 1368 KB Output is correct
34 Correct 52 ms 1372 KB Output is correct
35 Correct 50 ms 1372 KB Output is correct
36 Correct 65 ms 1372 KB Output is correct
37 Correct 106 ms 1920 KB Output is correct
38 Correct 105 ms 1876 KB Output is correct
39 Correct 251 ms 1476 KB Output is correct
40 Correct 176 ms 2224 KB Output is correct
41 Correct 296 ms 1476 KB Output is correct
42 Correct 162 ms 2132 KB Output is correct
43 Correct 174 ms 2644 KB Output is correct
44 Correct 183 ms 2708 KB Output is correct
45 Correct 185 ms 2752 KB Output is correct
46 Correct 192 ms 1380 KB Output is correct
47 Correct 161 ms 2384 KB Output is correct
48 Correct 198 ms 2388 KB Output is correct
49 Correct 221 ms 1696 KB Output is correct
50 Correct 169 ms 2128 KB Output is correct
51 Correct 177 ms 1472 KB Output is correct
52 Correct 228 ms 2900 KB Output is correct
53 Correct 201 ms 2640 KB Output is correct
54 Correct 258 ms 2760 KB Output is correct
55 Correct 359 ms 3920 KB Output is correct
56 Correct 220 ms 2896 KB Output is correct
57 Correct 370 ms 4188 KB Output is correct
58 Correct 269 ms 2900 KB Output is correct
59 Correct 289 ms 3408 KB Output is correct
60 Correct 321 ms 1372 KB Output is correct
61 Correct 305 ms 3576 KB Output is correct
62 Correct 300 ms 3900 KB Output is correct
63 Correct 312 ms 3792 KB Output is correct
64 Correct 315 ms 4180 KB Output is correct
65 Correct 283 ms 1372 KB Output is correct
66 Correct 285 ms 1620 KB Output is correct
67 Correct 350 ms 3544 KB Output is correct
68 Correct 747 ms 1616 KB Output is correct
69 Incorrect 212 ms 4616 KB Output isn't correct
70 Halted 0 ms 0 KB -