oj.uz

답안 #888396

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
888396 2023-12-17T09:17:12 Z pcc Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 8120 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;
}

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

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 2392 KB Output is correct
2 Correct 13 ms 2396 KB Output is correct
3 Correct 10 ms 2396 KB Output is correct
4 Correct 4 ms 2396 KB Output is correct
5 Correct 14 ms 2304 KB Output is correct
6 Correct 13 ms 2396 KB Output is correct
7 Correct 7 ms 2528 KB Output is correct
8 Correct 12 ms 2392 KB Output is correct
9 Correct 11 ms 2396 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 2392 KB Output is correct
2 Correct 13 ms 2396 KB Output is correct
3 Correct 10 ms 2396 KB Output is correct
4 Correct 4 ms 2396 KB Output is correct
5 Correct 14 ms 2304 KB Output is correct
6 Correct 13 ms 2396 KB Output is correct
7 Correct 7 ms 2528 KB Output is correct
8 Correct 12 ms 2392 KB Output is correct
9 Correct 11 ms 2396 KB Output is correct
10 Correct 44 ms 2508 KB Output is correct
11 Correct 69 ms 2396 KB Output is correct
12 Correct 51 ms 2396 KB Output is correct
13 Correct 54 ms 2396 KB Output is correct
14 Correct 55 ms 2396 KB Output is correct
15 Correct 65 ms 2392 KB Output is correct
16 Correct 73 ms 2392 KB Output is correct
17 Correct 36 ms 2396 KB Output is correct
18 Correct 47 ms 2508 KB Output is correct
19 Correct 54 ms 2392 KB Output is correct
20 Correct 37 ms 2392 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 2392 KB Output is correct
2 Correct 13 ms 2396 KB Output is correct
3 Correct 10 ms 2396 KB Output is correct
4 Correct 4 ms 2396 KB Output is correct
5 Correct 14 ms 2304 KB Output is correct
6 Correct 13 ms 2396 KB Output is correct
7 Correct 7 ms 2528 KB Output is correct
8 Correct 12 ms 2392 KB Output is correct
9 Correct 11 ms 2396 KB Output is correct
10 Correct 44 ms 2508 KB Output is correct
11 Correct 69 ms 2396 KB Output is correct
12 Correct 51 ms 2396 KB Output is correct
13 Correct 54 ms 2396 KB Output is correct
14 Correct 55 ms 2396 KB Output is correct
15 Correct 65 ms 2392 KB Output is correct
16 Correct 73 ms 2392 KB Output is correct
17 Correct 36 ms 2396 KB Output is correct
18 Correct 47 ms 2508 KB Output is correct
19 Correct 54 ms 2392 KB Output is correct
20 Correct 37 ms 2392 KB Output is correct
21 Correct 74 ms 2392 KB Output is correct
22 Correct 88 ms 2396 KB Output is correct
23 Correct 63 ms 2396 KB Output is correct
24 Correct 118 ms 2608 KB Output is correct
25 Correct 82 ms 2652 KB Output is correct
26 Correct 88 ms 2676 KB Output is correct
27 Correct 90 ms 2720 KB Output is correct
28 Correct 91 ms 2576 KB Output is correct
29 Correct 90 ms 2396 KB Output is correct
30 Correct 106 ms 2396 KB Output is correct
31 Correct 87 ms 2676 KB Output is correct
32 Correct 118 ms 2616 KB Output is correct
33 Correct 91 ms 2528 KB Output is correct
34 Correct 92 ms 2392 KB Output is correct
35 Correct 90 ms 2396 KB Output is correct
36 Correct 130 ms 2612 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 2392 KB Output is correct
2 Correct 13 ms 2396 KB Output is correct
3 Correct 10 ms 2396 KB Output is correct
4 Correct 4 ms 2396 KB Output is correct
5 Correct 14 ms 2304 KB Output is correct
6 Correct 13 ms 2396 KB Output is correct
7 Correct 7 ms 2528 KB Output is correct
8 Correct 12 ms 2392 KB Output is correct
9 Correct 11 ms 2396 KB Output is correct
10 Correct 44 ms 2508 KB Output is correct
11 Correct 69 ms 2396 KB Output is correct
12 Correct 51 ms 2396 KB Output is correct
13 Correct 54 ms 2396 KB Output is correct
14 Correct 55 ms 2396 KB Output is correct
15 Correct 65 ms 2392 KB Output is correct
16 Correct 73 ms 2392 KB Output is correct
17 Correct 36 ms 2396 KB Output is correct
18 Correct 47 ms 2508 KB Output is correct
19 Correct 54 ms 2392 KB Output is correct
20 Correct 37 ms 2392 KB Output is correct
21 Correct 74 ms 2392 KB Output is correct
22 Correct 88 ms 2396 KB Output is correct
23 Correct 63 ms 2396 KB Output is correct
24 Correct 118 ms 2608 KB Output is correct
25 Correct 82 ms 2652 KB Output is correct
26 Correct 88 ms 2676 KB Output is correct
27 Correct 90 ms 2720 KB Output is correct
28 Correct 91 ms 2576 KB Output is correct
29 Correct 90 ms 2396 KB Output is correct
30 Correct 106 ms 2396 KB Output is correct
31 Correct 87 ms 2676 KB Output is correct
32 Correct 118 ms 2616 KB Output is correct
33 Correct 91 ms 2528 KB Output is correct
34 Correct 92 ms 2392 KB Output is correct
35 Correct 90 ms 2396 KB Output is correct
36 Correct 130 ms 2612 KB Output is correct
37 Correct 187 ms 2780 KB Output is correct
38 Correct 186 ms 2900 KB Output is correct
39 Correct 361 ms 2512 KB Output is correct
40 Correct 300 ms 3272 KB Output is correct
41 Correct 413 ms 2512 KB Output is correct
42 Correct 279 ms 3220 KB Output is correct
43 Correct 284 ms 3812 KB Output is correct
44 Correct 285 ms 3736 KB Output is correct
45 Correct 290 ms 3668 KB Output is correct
46 Correct 314 ms 2384 KB Output is correct
47 Correct 279 ms 3268 KB Output is correct
48 Correct 311 ms 3396 KB Output is correct
49 Correct 328 ms 2728 KB Output is correct
50 Correct 284 ms 3264 KB Output is correct
51 Correct 294 ms 2272 KB Output is correct
52 Correct 334 ms 3980 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 2392 KB Output is correct
2 Correct 13 ms 2396 KB Output is correct
3 Correct 10 ms 2396 KB Output is correct
4 Correct 4 ms 2396 KB Output is correct
5 Correct 14 ms 2304 KB Output is correct
6 Correct 13 ms 2396 KB Output is correct
7 Correct 7 ms 2528 KB Output is correct
8 Correct 12 ms 2392 KB Output is correct
9 Correct 11 ms 2396 KB Output is correct
10 Correct 44 ms 2508 KB Output is correct
11 Correct 69 ms 2396 KB Output is correct
12 Correct 51 ms 2396 KB Output is correct
13 Correct 54 ms 2396 KB Output is correct
14 Correct 55 ms 2396 KB Output is correct
15 Correct 65 ms 2392 KB Output is correct
16 Correct 73 ms 2392 KB Output is correct
17 Correct 36 ms 2396 KB Output is correct
18 Correct 47 ms 2508 KB Output is correct
19 Correct 54 ms 2392 KB Output is correct
20 Correct 37 ms 2392 KB Output is correct
21 Correct 74 ms 2392 KB Output is correct
22 Correct 88 ms 2396 KB Output is correct
23 Correct 63 ms 2396 KB Output is correct
24 Correct 118 ms 2608 KB Output is correct
25 Correct 82 ms 2652 KB Output is correct
26 Correct 88 ms 2676 KB Output is correct
27 Correct 90 ms 2720 KB Output is correct
28 Correct 91 ms 2576 KB Output is correct
29 Correct 90 ms 2396 KB Output is correct
30 Correct 106 ms 2396 KB Output is correct
31 Correct 87 ms 2676 KB Output is correct
32 Correct 118 ms 2616 KB Output is correct
33 Correct 91 ms 2528 KB Output is correct
34 Correct 92 ms 2392 KB Output is correct
35 Correct 90 ms 2396 KB Output is correct
36 Correct 130 ms 2612 KB Output is correct
37 Correct 187 ms 2780 KB Output is correct
38 Correct 186 ms 2900 KB Output is correct
39 Correct 361 ms 2512 KB Output is correct
40 Correct 300 ms 3272 KB Output is correct
41 Correct 413 ms 2512 KB Output is correct
42 Correct 279 ms 3220 KB Output is correct
43 Correct 284 ms 3812 KB Output is correct
44 Correct 285 ms 3736 KB Output is correct
45 Correct 290 ms 3668 KB Output is correct
46 Correct 314 ms 2384 KB Output is correct
47 Correct 279 ms 3268 KB Output is correct
48 Correct 311 ms 3396 KB Output is correct
49 Correct 328 ms 2728 KB Output is correct
50 Correct 284 ms 3264 KB Output is correct
51 Correct 294 ms 2272 KB Output is correct
52 Correct 334 ms 3980 KB Output is correct
53 Correct 332 ms 3564 KB Output is correct
54 Correct 399 ms 3800 KB Output is correct
55 Correct 507 ms 5060 KB Output is correct
56 Correct 357 ms 3920 KB Output is correct
57 Correct 517 ms 5204 KB Output is correct
58 Correct 436 ms 3932 KB Output is correct
59 Correct 431 ms 4272 KB Output is correct
60 Correct 480 ms 2384 KB Output is correct
61 Correct 463 ms 4488 KB Output is correct
62 Correct 439 ms 4812 KB Output is correct
63 Correct 452 ms 5028 KB Output is correct
64 Correct 448 ms 4948 KB Output is correct
65 Correct 424 ms 2388 KB Output is correct
66 Correct 429 ms 2896 KB Output is correct

Subtask #6
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 2392 KB Output is correct
2 Correct 13 ms 2396 KB Output is correct
3 Correct 10 ms 2396 KB Output is correct
4 Correct 4 ms 2396 KB Output is correct
5 Correct 14 ms 2304 KB Output is correct
6 Correct 13 ms 2396 KB Output is correct
7 Correct 7 ms 2528 KB Output is correct
8 Correct 12 ms 2392 KB Output is correct
9 Correct 11 ms 2396 KB Output is correct
10 Correct 44 ms 2508 KB Output is correct
11 Correct 69 ms 2396 KB Output is correct
12 Correct 51 ms 2396 KB Output is correct
13 Correct 54 ms 2396 KB Output is correct
14 Correct 55 ms 2396 KB Output is correct
15 Correct 65 ms 2392 KB Output is correct
16 Correct 73 ms 2392 KB Output is correct
17 Correct 36 ms 2396 KB Output is correct
18 Correct 47 ms 2508 KB Output is correct
19 Correct 54 ms 2392 KB Output is correct
20 Correct 37 ms 2392 KB Output is correct
21 Correct 74 ms 2392 KB Output is correct
22 Correct 88 ms 2396 KB Output is correct
23 Correct 63 ms 2396 KB Output is correct
24 Correct 118 ms 2608 KB Output is correct
25 Correct 82 ms 2652 KB Output is correct
26 Correct 88 ms 2676 KB Output is correct
27 Correct 90 ms 2720 KB Output is correct
28 Correct 91 ms 2576 KB Output is correct
29 Correct 90 ms 2396 KB Output is correct
30 Correct 106 ms 2396 KB Output is correct
31 Correct 87 ms 2676 KB Output is correct
32 Correct 118 ms 2616 KB Output is correct
33 Correct 91 ms 2528 KB Output is correct
34 Correct 92 ms 2392 KB Output is correct
35 Correct 90 ms 2396 KB Output is correct
36 Correct 130 ms 2612 KB Output is correct
37 Correct 187 ms 2780 KB Output is correct
38 Correct 186 ms 2900 KB Output is correct
39 Correct 361 ms 2512 KB Output is correct
40 Correct 300 ms 3272 KB Output is correct
41 Correct 413 ms 2512 KB Output is correct
42 Correct 279 ms 3220 KB Output is correct
43 Correct 284 ms 3812 KB Output is correct
44 Correct 285 ms 3736 KB Output is correct
45 Correct 290 ms 3668 KB Output is correct
46 Correct 314 ms 2384 KB Output is correct
47 Correct 279 ms 3268 KB Output is correct
48 Correct 311 ms 3396 KB Output is correct
49 Correct 328 ms 2728 KB Output is correct
50 Correct 284 ms 3264 KB Output is correct
51 Correct 294 ms 2272 KB Output is correct
52 Correct 334 ms 3980 KB Output is correct
53 Correct 332 ms 3564 KB Output is correct
54 Correct 399 ms 3800 KB Output is correct
55 Correct 507 ms 5060 KB Output is correct
56 Correct 357 ms 3920 KB Output is correct
57 Correct 517 ms 5204 KB Output is correct
58 Correct 436 ms 3932 KB Output is correct
59 Correct 431 ms 4272 KB Output is correct
60 Correct 480 ms 2384 KB Output is correct
61 Correct 463 ms 4488 KB Output is correct
62 Correct 439 ms 4812 KB Output is correct
63 Correct 452 ms 5028 KB Output is correct
64 Correct 448 ms 4948 KB Output is correct
65 Correct 424 ms 2388 KB Output is correct
66 Correct 429 ms 2896 KB Output is correct
67 Correct 530 ms 4432 KB Output is correct
68 Correct 982 ms 2508 KB Output is correct
69 Correct 982 ms 7760 KB Output is correct
70 Correct 771 ms 5712 KB Output is correct
71 Correct 756 ms 5608 KB Output is correct
72 Correct 755 ms 2388 KB Output is correct
73 Correct 758 ms 2384 KB Output is correct
74 Correct 990 ms 8120 KB Output is correct
75 Correct 867 ms 7320 KB Output is correct
76 Execution timed out 1022 ms 7116 KB Time limit exceeded
77 Halted 0 ms 0 KB -