답안 #438171

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
438171	2021-06-27T17:29:44 Z	lulwpop	Bootfall (IZhO17_bootfall)	C++14	44 / 100	1000 ms	1788 KB

bootfall

#include <bits/stdc++.h>
#define all(X) X.begin(), X.end()
#define sz(x) (int)x.size()
#define fr first
#define sc second
#define endl '\n'
 
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
 
const int maxn = 250001;
const int maxa = 1e6;
const int inf = 2e9;
const ll INF = 1e18;
const ll mod = 1e9 + 7;
const int block = 350;
 
int main () 
{
	ios_base::sync_with_stdio(0); cin.tie();
/*#ifndef ONLINE_JUDGE
	freopen("input.txt", "r", stdin);
	freopen("output.txt", "w", stdout);
#endif*/
	int n; cin >> n;
	vector <int> a (n);
	int mx = 0;
	for (int i = 0; i < n; i++) {
		cin >> a[i];
		mx = max(mx, a[i]);
	}
	bitset <maxn> st;
	int sum = 0;
	st[0] = 1;
	for (int i = 0; i < n; i++) {
		st |= (st << a[i]);
		sum += a[i];
	}
	if (sum % 2 == 1 || !st[sum >> 1]) {
		cout << 0;
		return 0;
	}
 	vector <int> used (maxn);
 	for (int i = 0; i < n; i++) {
 		bitset <maxn> dp;
 		dp[0] = 1;
 		int cur_sum = 0;
 		for (int j = 0; j < n; j++) {
 			if (i != j) {
 				dp |= (dp << a[j]);
 				cur_sum += a[j];
 			}
 		} 
 		for (int ins = 1; ins < maxn; ins++) {
 			if ((cur_sum + ins) % 2 == 0 && dp[(cur_sum + ins) >> 1]) {
 				used[ins]++;
 			}
 		}
 	}
 	vector <int> ans;
 	for (int i = 0; i < maxn; i++) {
 		if (used[i] == n) {
 			ans.push_back(i);
 		}
 	}
 	cout << sz(ans) << endl;
 	for (auto i : ans) {
 		cout << i << " ";
 	}
	return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1356 KB	Output is correct
2	Correct	5 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	5 ms	1356 KB	Output is correct
5	Correct	10 ms	1356 KB	Output is correct
6	Correct	6 ms	1356 KB	Output is correct
7	Correct	5 ms	1356 KB	Output is correct
8	Correct	8 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1356 KB	Output is correct
2	Correct	5 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	5 ms	1356 KB	Output is correct
5	Correct	10 ms	1356 KB	Output is correct
6	Correct	6 ms	1356 KB	Output is correct
7	Correct	5 ms	1356 KB	Output is correct
8	Correct	8 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct
10	Correct	22 ms	1356 KB	Output is correct
11	Correct	23 ms	1356 KB	Output is correct
12	Correct	25 ms	1356 KB	Output is correct
13	Correct	21 ms	1356 KB	Output is correct
14	Correct	21 ms	1356 KB	Output is correct
15	Correct	23 ms	1356 KB	Output is correct
16	Correct	26 ms	1356 KB	Output is correct
17	Correct	14 ms	1356 KB	Output is correct
18	Correct	21 ms	1356 KB	Output is correct
19	Correct	19 ms	1356 KB	Output is correct
20	Correct	23 ms	1356 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1356 KB	Output is correct
2	Correct	5 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	5 ms	1356 KB	Output is correct
5	Correct	10 ms	1356 KB	Output is correct
6	Correct	6 ms	1356 KB	Output is correct
7	Correct	5 ms	1356 KB	Output is correct
8	Correct	8 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct
10	Correct	22 ms	1356 KB	Output is correct
11	Correct	23 ms	1356 KB	Output is correct
12	Correct	25 ms	1356 KB	Output is correct
13	Correct	21 ms	1356 KB	Output is correct
14	Correct	21 ms	1356 KB	Output is correct
15	Correct	23 ms	1356 KB	Output is correct
16	Correct	26 ms	1356 KB	Output is correct
17	Correct	14 ms	1356 KB	Output is correct
18	Correct	21 ms	1356 KB	Output is correct
19	Correct	19 ms	1356 KB	Output is correct
20	Correct	23 ms	1356 KB	Output is correct
21	Correct	78 ms	1412 KB	Output is correct
22	Correct	108 ms	1404 KB	Output is correct
23	Correct	47 ms	1356 KB	Output is correct
24	Correct	130 ms	1412 KB	Output is correct
25	Correct	125 ms	1408 KB	Output is correct
26	Correct	168 ms	1412 KB	Output is correct
27	Correct	151 ms	1404 KB	Output is correct
28	Correct	141 ms	1356 KB	Output is correct
29	Correct	157 ms	1396 KB	Output is correct
30	Correct	143 ms	1356 KB	Output is correct
31	Correct	144 ms	1412 KB	Output is correct
32	Correct	153 ms	1376 KB	Output is correct
33	Correct	156 ms	1356 KB	Output is correct
34	Correct	139 ms	1356 KB	Output is correct
35	Correct	144 ms	1356 KB	Output is correct
36	Correct	148 ms	1404 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1356 KB	Output is correct
2	Correct	5 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	5 ms	1356 KB	Output is correct
5	Correct	10 ms	1356 KB	Output is correct
6	Correct	6 ms	1356 KB	Output is correct
7	Correct	5 ms	1356 KB	Output is correct
8	Correct	8 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct
10	Correct	22 ms	1356 KB	Output is correct
11	Correct	23 ms	1356 KB	Output is correct
12	Correct	25 ms	1356 KB	Output is correct
13	Correct	21 ms	1356 KB	Output is correct
14	Correct	21 ms	1356 KB	Output is correct
15	Correct	23 ms	1356 KB	Output is correct
16	Correct	26 ms	1356 KB	Output is correct
17	Correct	14 ms	1356 KB	Output is correct
18	Correct	21 ms	1356 KB	Output is correct
19	Correct	19 ms	1356 KB	Output is correct
20	Correct	23 ms	1356 KB	Output is correct
21	Correct	78 ms	1412 KB	Output is correct
22	Correct	108 ms	1404 KB	Output is correct
23	Correct	47 ms	1356 KB	Output is correct
24	Correct	130 ms	1412 KB	Output is correct
25	Correct	125 ms	1408 KB	Output is correct
26	Correct	168 ms	1412 KB	Output is correct
27	Correct	151 ms	1404 KB	Output is correct
28	Correct	141 ms	1356 KB	Output is correct
29	Correct	157 ms	1396 KB	Output is correct
30	Correct	143 ms	1356 KB	Output is correct
31	Correct	144 ms	1412 KB	Output is correct
32	Correct	153 ms	1376 KB	Output is correct
33	Correct	156 ms	1356 KB	Output is correct
34	Correct	139 ms	1356 KB	Output is correct
35	Correct	144 ms	1356 KB	Output is correct
36	Correct	148 ms	1404 KB	Output is correct
37	Correct	490 ms	1548 KB	Output is correct
38	Correct	499 ms	1528 KB	Output is correct
39	Correct	736 ms	1400 KB	Output is correct
40	Correct	856 ms	1544 KB	Output is correct
41	Correct	836 ms	1356 KB	Output is correct
42	Correct	744 ms	1604 KB	Output is correct
43	Correct	698 ms	1784 KB	Output is correct
44	Correct	762 ms	1788 KB	Output is correct
45	Correct	740 ms	1732 KB	Output is correct
46	Correct	853 ms	1356 KB	Output is correct
47	Correct	745 ms	1572 KB	Output is correct
48	Correct	743 ms	1732 KB	Output is correct
49	Correct	748 ms	1404 KB	Output is correct
50	Correct	762 ms	1536 KB	Output is correct
51	Correct	3 ms	332 KB	Output is correct
52	Correct	890 ms	1788 KB	Output is correct

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1356 KB	Output is correct
2	Correct	5 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	5 ms	1356 KB	Output is correct
5	Correct	10 ms	1356 KB	Output is correct
6	Correct	6 ms	1356 KB	Output is correct
7	Correct	5 ms	1356 KB	Output is correct
8	Correct	8 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct
10	Correct	22 ms	1356 KB	Output is correct
11	Correct	23 ms	1356 KB	Output is correct
12	Correct	25 ms	1356 KB	Output is correct
13	Correct	21 ms	1356 KB	Output is correct
14	Correct	21 ms	1356 KB	Output is correct
15	Correct	23 ms	1356 KB	Output is correct
16	Correct	26 ms	1356 KB	Output is correct
17	Correct	14 ms	1356 KB	Output is correct
18	Correct	21 ms	1356 KB	Output is correct
19	Correct	19 ms	1356 KB	Output is correct
20	Correct	23 ms	1356 KB	Output is correct
21	Correct	78 ms	1412 KB	Output is correct
22	Correct	108 ms	1404 KB	Output is correct
23	Correct	47 ms	1356 KB	Output is correct
24	Correct	130 ms	1412 KB	Output is correct
25	Correct	125 ms	1408 KB	Output is correct
26	Correct	168 ms	1412 KB	Output is correct
27	Correct	151 ms	1404 KB	Output is correct
28	Correct	141 ms	1356 KB	Output is correct
29	Correct	157 ms	1396 KB	Output is correct
30	Correct	143 ms	1356 KB	Output is correct
31	Correct	144 ms	1412 KB	Output is correct
32	Correct	153 ms	1376 KB	Output is correct
33	Correct	156 ms	1356 KB	Output is correct
34	Correct	139 ms	1356 KB	Output is correct
35	Correct	144 ms	1356 KB	Output is correct
36	Correct	148 ms	1404 KB	Output is correct
37	Correct	490 ms	1548 KB	Output is correct
38	Correct	499 ms	1528 KB	Output is correct
39	Correct	736 ms	1400 KB	Output is correct
40	Correct	856 ms	1544 KB	Output is correct
41	Correct	836 ms	1356 KB	Output is correct
42	Correct	744 ms	1604 KB	Output is correct
43	Correct	698 ms	1784 KB	Output is correct
44	Correct	762 ms	1788 KB	Output is correct
45	Correct	740 ms	1732 KB	Output is correct
46	Correct	853 ms	1356 KB	Output is correct
47	Correct	745 ms	1572 KB	Output is correct
48	Correct	743 ms	1732 KB	Output is correct
49	Correct	748 ms	1404 KB	Output is correct
50	Correct	762 ms	1536 KB	Output is correct
51	Correct	3 ms	332 KB	Output is correct
52	Correct	890 ms	1788 KB	Output is correct
53	Execution timed out	1044 ms	1672 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	1356 KB	Output is correct
2	Correct	5 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	5 ms	1356 KB	Output is correct
5	Correct	10 ms	1356 KB	Output is correct
6	Correct	6 ms	1356 KB	Output is correct
7	Correct	5 ms	1356 KB	Output is correct
8	Correct	8 ms	1356 KB	Output is correct
9	Correct	7 ms	1356 KB	Output is correct
10	Correct	22 ms	1356 KB	Output is correct
11	Correct	23 ms	1356 KB	Output is correct
12	Correct	25 ms	1356 KB	Output is correct
13	Correct	21 ms	1356 KB	Output is correct
14	Correct	21 ms	1356 KB	Output is correct
15	Correct	23 ms	1356 KB	Output is correct
16	Correct	26 ms	1356 KB	Output is correct
17	Correct	14 ms	1356 KB	Output is correct
18	Correct	21 ms	1356 KB	Output is correct
19	Correct	19 ms	1356 KB	Output is correct
20	Correct	23 ms	1356 KB	Output is correct
21	Correct	78 ms	1412 KB	Output is correct
22	Correct	108 ms	1404 KB	Output is correct
23	Correct	47 ms	1356 KB	Output is correct
24	Correct	130 ms	1412 KB	Output is correct
25	Correct	125 ms	1408 KB	Output is correct
26	Correct	168 ms	1412 KB	Output is correct
27	Correct	151 ms	1404 KB	Output is correct
28	Correct	141 ms	1356 KB	Output is correct
29	Correct	157 ms	1396 KB	Output is correct
30	Correct	143 ms	1356 KB	Output is correct
31	Correct	144 ms	1412 KB	Output is correct
32	Correct	153 ms	1376 KB	Output is correct
33	Correct	156 ms	1356 KB	Output is correct
34	Correct	139 ms	1356 KB	Output is correct
35	Correct	144 ms	1356 KB	Output is correct
36	Correct	148 ms	1404 KB	Output is correct
37	Correct	490 ms	1548 KB	Output is correct
38	Correct	499 ms	1528 KB	Output is correct
39	Correct	736 ms	1400 KB	Output is correct
40	Correct	856 ms	1544 KB	Output is correct
41	Correct	836 ms	1356 KB	Output is correct
42	Correct	744 ms	1604 KB	Output is correct
43	Correct	698 ms	1784 KB	Output is correct
44	Correct	762 ms	1788 KB	Output is correct
45	Correct	740 ms	1732 KB	Output is correct
46	Correct	853 ms	1356 KB	Output is correct
47	Correct	745 ms	1572 KB	Output is correct
48	Correct	743 ms	1732 KB	Output is correct
49	Correct	748 ms	1404 KB	Output is correct
50	Correct	762 ms	1536 KB	Output is correct
51	Correct	3 ms	332 KB	Output is correct
52	Correct	890 ms	1788 KB	Output is correct
53	Execution timed out	1044 ms	1672 KB	Time limit exceeded
54	Halted	0 ms	0 KB	-

답안 #438171

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
0 / 21.0

Subtask #6
0 / 35.0