답안 #343687

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
343687	2021-01-04T11:37:50 Z	Kalashnikov	Bootfall (IZhO17_bootfall)	C++17	65 / 100	1000 ms	7152 KB

bootfall

#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
 
using namespace std;
using ll = long long;
 
const int N = 500+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7 , P = 6547;

int a[N];
bitset<500*250> dp[N] , b1;


void solve() {
	int n;
	cin >> n;
	int sum = 0;
	int cnt[2];
	cnt[0]=cnt[1]=0;
	for(int i = 1; i <= n; i ++) {
		cin >> a[i];
		sum += a[i];
		cnt[a[i]%2] = 1;
	}
	set<int> st;
	for(int i = 0; i <= n; i ++) {
		for(int j = 1; j <= n; j ++) {
			if(i == j) continue;
			dp[i] = (dp[i] | (dp[i] << a[j]));
			dp[i][a[j]] = 1;
		}
		dp[i] <<= a[i]/2;
		if(i == 1) b1 = dp[i];
		if(i > 1) b1 &= dp[i];
	}
	if(sum%2 || !dp[0][sum/2] || cnt[0] == cnt[1]) {
		cout << 0;
		return;
	}
	vector<int> ans;
	int sta = 0;
	if(cnt[1]) sta = 1;
	for(int i = sta; i <= sum; i += 2) {
		int cur = (sum+i)/2;
		if(b1[cur]) ans.push_back(i);
	}
	sort(all(ans));
	cout << ans.size() << '\n';
	for(auto to: ans) {
		cout << to << ' ';
	}
}
/*
1 2 1 2   2


*/
main() {
    ios;
    int tt = 1;
    //cin >> tt;
    while(tt --) {
        solve();
    }
    return 0;
}

Compilation message

bootfall.cpp:63:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   63 | main() {
      |      ^

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	640 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	1 ms	620 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	640 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	1 ms	620 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	8 ms	876 KB	Output is correct
12	Correct	8 ms	876 KB	Output is correct
13	Correct	5 ms	748 KB	Output is correct
14	Correct	6 ms	876 KB	Output is correct
15	Correct	5 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	5 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	640 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	1 ms	620 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	8 ms	876 KB	Output is correct
12	Correct	8 ms	876 KB	Output is correct
13	Correct	5 ms	748 KB	Output is correct
14	Correct	6 ms	876 KB	Output is correct
15	Correct	5 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	5 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	24 ms	1516 KB	Output is correct
22	Correct	32 ms	1516 KB	Output is correct
23	Correct	15 ms	1132 KB	Output is correct
24	Correct	51 ms	1900 KB	Output is correct
25	Correct	56 ms	1900 KB	Output is correct
26	Correct	57 ms	2028 KB	Output is correct
27	Correct	57 ms	1900 KB	Output is correct
28	Correct	58 ms	2028 KB	Output is correct
29	Correct	57 ms	1900 KB	Output is correct
30	Correct	68 ms	1900 KB	Output is correct
31	Correct	57 ms	2028 KB	Output is correct
32	Correct	57 ms	2028 KB	Output is correct
33	Correct	58 ms	1900 KB	Output is correct
34	Correct	65 ms	1900 KB	Output is correct
35	Correct	57 ms	1900 KB	Output is correct
36	Correct	58 ms	2028 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	640 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	1 ms	620 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	8 ms	876 KB	Output is correct
12	Correct	8 ms	876 KB	Output is correct
13	Correct	5 ms	748 KB	Output is correct
14	Correct	6 ms	876 KB	Output is correct
15	Correct	5 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	5 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	24 ms	1516 KB	Output is correct
22	Correct	32 ms	1516 KB	Output is correct
23	Correct	15 ms	1132 KB	Output is correct
24	Correct	51 ms	1900 KB	Output is correct
25	Correct	56 ms	1900 KB	Output is correct
26	Correct	57 ms	2028 KB	Output is correct
27	Correct	57 ms	1900 KB	Output is correct
28	Correct	58 ms	2028 KB	Output is correct
29	Correct	57 ms	1900 KB	Output is correct
30	Correct	68 ms	1900 KB	Output is correct
31	Correct	57 ms	2028 KB	Output is correct
32	Correct	57 ms	2028 KB	Output is correct
33	Correct	58 ms	1900 KB	Output is correct
34	Correct	65 ms	1900 KB	Output is correct
35	Correct	57 ms	1900 KB	Output is correct
36	Correct	58 ms	2028 KB	Output is correct
37	Correct	254 ms	3692 KB	Output is correct
38	Correct	230 ms	3692 KB	Output is correct
39	Correct	350 ms	4252 KB	Output is correct
40	Correct	410 ms	4844 KB	Output is correct
41	Correct	404 ms	4588 KB	Output is correct
42	Correct	347 ms	4460 KB	Output is correct
43	Correct	337 ms	4580 KB	Output is correct
44	Correct	402 ms	4624 KB	Output is correct
45	Correct	369 ms	4588 KB	Output is correct
46	Correct	512 ms	4588 KB	Output is correct
47	Correct	362 ms	4460 KB	Output is correct
48	Correct	370 ms	4588 KB	Output is correct
49	Correct	378 ms	4480 KB	Output is correct
50	Correct	360 ms	4428 KB	Output is correct
51	Correct	376 ms	4204 KB	Output is correct
52	Correct	522 ms	4896 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	640 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	1 ms	620 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	8 ms	876 KB	Output is correct
12	Correct	8 ms	876 KB	Output is correct
13	Correct	5 ms	748 KB	Output is correct
14	Correct	6 ms	876 KB	Output is correct
15	Correct	5 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	5 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	24 ms	1516 KB	Output is correct
22	Correct	32 ms	1516 KB	Output is correct
23	Correct	15 ms	1132 KB	Output is correct
24	Correct	51 ms	1900 KB	Output is correct
25	Correct	56 ms	1900 KB	Output is correct
26	Correct	57 ms	2028 KB	Output is correct
27	Correct	57 ms	1900 KB	Output is correct
28	Correct	58 ms	2028 KB	Output is correct
29	Correct	57 ms	1900 KB	Output is correct
30	Correct	68 ms	1900 KB	Output is correct
31	Correct	57 ms	2028 KB	Output is correct
32	Correct	57 ms	2028 KB	Output is correct
33	Correct	58 ms	1900 KB	Output is correct
34	Correct	65 ms	1900 KB	Output is correct
35	Correct	57 ms	1900 KB	Output is correct
36	Correct	58 ms	2028 KB	Output is correct
37	Correct	254 ms	3692 KB	Output is correct
38	Correct	230 ms	3692 KB	Output is correct
39	Correct	350 ms	4252 KB	Output is correct
40	Correct	410 ms	4844 KB	Output is correct
41	Correct	404 ms	4588 KB	Output is correct
42	Correct	347 ms	4460 KB	Output is correct
43	Correct	337 ms	4580 KB	Output is correct
44	Correct	402 ms	4624 KB	Output is correct
45	Correct	369 ms	4588 KB	Output is correct
46	Correct	512 ms	4588 KB	Output is correct
47	Correct	362 ms	4460 KB	Output is correct
48	Correct	370 ms	4588 KB	Output is correct
49	Correct	378 ms	4480 KB	Output is correct
50	Correct	360 ms	4428 KB	Output is correct
51	Correct	376 ms	4204 KB	Output is correct
52	Correct	522 ms	4896 KB	Output is correct
53	Correct	548 ms	5340 KB	Output is correct
54	Correct	735 ms	6252 KB	Output is correct
55	Correct	905 ms	6444 KB	Output is correct
56	Correct	527 ms	5636 KB	Output is correct
57	Correct	818 ms	6616 KB	Output is correct
58	Correct	721 ms	6380 KB	Output is correct
59	Correct	710 ms	6240 KB	Output is correct
60	Correct	711 ms	5804 KB	Output is correct
61	Correct	710 ms	6416 KB	Output is correct
62	Correct	633 ms	6000 KB	Output is correct
63	Correct	575 ms	6128 KB	Output is correct
64	Correct	554 ms	5872 KB	Output is correct
65	Correct	561 ms	5612 KB	Output is correct
66	Correct	536 ms	5300 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	640 KB	Output is correct
2	Correct	1 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	1 ms	492 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	1 ms	620 KB	Output is correct
9	Correct	2 ms	492 KB	Output is correct
10	Correct	6 ms	876 KB	Output is correct
11	Correct	8 ms	876 KB	Output is correct
12	Correct	8 ms	876 KB	Output is correct
13	Correct	5 ms	748 KB	Output is correct
14	Correct	6 ms	876 KB	Output is correct
15	Correct	5 ms	876 KB	Output is correct
16	Correct	6 ms	876 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	748 KB	Output is correct
19	Correct	5 ms	748 KB	Output is correct
20	Correct	6 ms	876 KB	Output is correct
21	Correct	24 ms	1516 KB	Output is correct
22	Correct	32 ms	1516 KB	Output is correct
23	Correct	15 ms	1132 KB	Output is correct
24	Correct	51 ms	1900 KB	Output is correct
25	Correct	56 ms	1900 KB	Output is correct
26	Correct	57 ms	2028 KB	Output is correct
27	Correct	57 ms	1900 KB	Output is correct
28	Correct	58 ms	2028 KB	Output is correct
29	Correct	57 ms	1900 KB	Output is correct
30	Correct	68 ms	1900 KB	Output is correct
31	Correct	57 ms	2028 KB	Output is correct
32	Correct	57 ms	2028 KB	Output is correct
33	Correct	58 ms	1900 KB	Output is correct
34	Correct	65 ms	1900 KB	Output is correct
35	Correct	57 ms	1900 KB	Output is correct
36	Correct	58 ms	2028 KB	Output is correct
37	Correct	254 ms	3692 KB	Output is correct
38	Correct	230 ms	3692 KB	Output is correct
39	Correct	350 ms	4252 KB	Output is correct
40	Correct	410 ms	4844 KB	Output is correct
41	Correct	404 ms	4588 KB	Output is correct
42	Correct	347 ms	4460 KB	Output is correct
43	Correct	337 ms	4580 KB	Output is correct
44	Correct	402 ms	4624 KB	Output is correct
45	Correct	369 ms	4588 KB	Output is correct
46	Correct	512 ms	4588 KB	Output is correct
47	Correct	362 ms	4460 KB	Output is correct
48	Correct	370 ms	4588 KB	Output is correct
49	Correct	378 ms	4480 KB	Output is correct
50	Correct	360 ms	4428 KB	Output is correct
51	Correct	376 ms	4204 KB	Output is correct
52	Correct	522 ms	4896 KB	Output is correct
53	Correct	548 ms	5340 KB	Output is correct
54	Correct	735 ms	6252 KB	Output is correct
55	Correct	905 ms	6444 KB	Output is correct
56	Correct	527 ms	5636 KB	Output is correct
57	Correct	818 ms	6616 KB	Output is correct
58	Correct	721 ms	6380 KB	Output is correct
59	Correct	710 ms	6240 KB	Output is correct
60	Correct	711 ms	5804 KB	Output is correct
61	Correct	710 ms	6416 KB	Output is correct
62	Correct	633 ms	6000 KB	Output is correct
63	Correct	575 ms	6128 KB	Output is correct
64	Correct	554 ms	5872 KB	Output is correct
65	Correct	561 ms	5612 KB	Output is correct
66	Correct	536 ms	5300 KB	Output is correct
67	Correct	889 ms	7152 KB	Output is correct
68	Execution timed out	1036 ms	6124 KB	Time limit exceeded
69	Halted	0 ms	0 KB	-

답안 #343687

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 21.0 / 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
21.0 / 21.0

Subtask #6
0 / 35.0