답안 #343762

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
343762	2021-01-04T13:06:05 Z	Kalashnikov	Bootfall (IZhO17_bootfall)	C++17	65 / 100	1000 ms	1112 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>  b1 , b2 , b3;


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;
	}
	if(sum%2 || cnt[0]==cnt[1]) {
		cout << 0;
		return;
	}
	set<int> st;
	for(int i = 0; i <= n; i ++) {
		b3 &= 0;
		for(int j = 1; j <= n; j ++) {
			if(i == j) continue;
			if(i == 0) {
				b2 = (b2 | (b2 << a[j]) );
				b2[a[j]] = 1;
			}
			else {
				b3 = (b3 | (b3 << a[j]) );
				b3[a[j]] = 1;
			}
		}
		if(i) b3 <<= a[i]/2;
		if(i == 1) b1 = b3;
		if(i > 1) b1 &= b3;
	}
	if(!b2[sum/2]) {
		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:74:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   74 | main() {
      |      ^

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	2 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	2 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	2 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	2 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	8 ms	364 KB	Output is correct
11	Correct	7 ms	364 KB	Output is correct
12	Correct	7 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	6 ms	364 KB	Output is correct
15	Correct	6 ms	364 KB	Output is correct
16	Correct	8 ms	364 KB	Output is correct
17	Correct	4 ms	364 KB	Output is correct
18	Correct	6 ms	364 KB	Output is correct
19	Correct	6 ms	364 KB	Output is correct
20	Correct	9 ms	364 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	2 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	2 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	8 ms	364 KB	Output is correct
11	Correct	7 ms	364 KB	Output is correct
12	Correct	7 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	6 ms	364 KB	Output is correct
15	Correct	6 ms	364 KB	Output is correct
16	Correct	8 ms	364 KB	Output is correct
17	Correct	4 ms	364 KB	Output is correct
18	Correct	6 ms	364 KB	Output is correct
19	Correct	6 ms	364 KB	Output is correct
20	Correct	9 ms	364 KB	Output is correct
21	Correct	28 ms	492 KB	Output is correct
22	Correct	45 ms	492 KB	Output is correct
23	Correct	17 ms	492 KB	Output is correct
24	Correct	74 ms	512 KB	Output is correct
25	Correct	60 ms	492 KB	Output is correct
26	Correct	68 ms	492 KB	Output is correct
27	Correct	66 ms	492 KB	Output is correct
28	Correct	66 ms	492 KB	Output is correct
29	Correct	66 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	67 ms	492 KB	Output is correct
32	Correct	70 ms	468 KB	Output is correct
33	Correct	68 ms	364 KB	Output is correct
34	Correct	92 ms	364 KB	Output is correct
35	Correct	68 ms	364 KB	Output is correct
36	Correct	69 ms	492 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	2 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	2 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	8 ms	364 KB	Output is correct
11	Correct	7 ms	364 KB	Output is correct
12	Correct	7 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	6 ms	364 KB	Output is correct
15	Correct	6 ms	364 KB	Output is correct
16	Correct	8 ms	364 KB	Output is correct
17	Correct	4 ms	364 KB	Output is correct
18	Correct	6 ms	364 KB	Output is correct
19	Correct	6 ms	364 KB	Output is correct
20	Correct	9 ms	364 KB	Output is correct
21	Correct	28 ms	492 KB	Output is correct
22	Correct	45 ms	492 KB	Output is correct
23	Correct	17 ms	492 KB	Output is correct
24	Correct	74 ms	512 KB	Output is correct
25	Correct	60 ms	492 KB	Output is correct
26	Correct	68 ms	492 KB	Output is correct
27	Correct	66 ms	492 KB	Output is correct
28	Correct	66 ms	492 KB	Output is correct
29	Correct	66 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	67 ms	492 KB	Output is correct
32	Correct	70 ms	468 KB	Output is correct
33	Correct	68 ms	364 KB	Output is correct
34	Correct	92 ms	364 KB	Output is correct
35	Correct	68 ms	364 KB	Output is correct
36	Correct	69 ms	492 KB	Output is correct
37	Correct	264 ms	596 KB	Output is correct
38	Correct	274 ms	596 KB	Output is correct
39	Correct	405 ms	364 KB	Output is correct
40	Correct	484 ms	596 KB	Output is correct
41	Correct	524 ms	468 KB	Output is correct
42	Correct	421 ms	620 KB	Output is correct
43	Correct	413 ms	852 KB	Output is correct
44	Correct	415 ms	852 KB	Output is correct
45	Correct	434 ms	852 KB	Output is correct
46	Correct	479 ms	468 KB	Output is correct
47	Correct	418 ms	620 KB	Output is correct
48	Correct	431 ms	748 KB	Output is correct
49	Correct	408 ms	492 KB	Output is correct
50	Correct	412 ms	620 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	604 ms	852 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	2 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	2 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	8 ms	364 KB	Output is correct
11	Correct	7 ms	364 KB	Output is correct
12	Correct	7 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	6 ms	364 KB	Output is correct
15	Correct	6 ms	364 KB	Output is correct
16	Correct	8 ms	364 KB	Output is correct
17	Correct	4 ms	364 KB	Output is correct
18	Correct	6 ms	364 KB	Output is correct
19	Correct	6 ms	364 KB	Output is correct
20	Correct	9 ms	364 KB	Output is correct
21	Correct	28 ms	492 KB	Output is correct
22	Correct	45 ms	492 KB	Output is correct
23	Correct	17 ms	492 KB	Output is correct
24	Correct	74 ms	512 KB	Output is correct
25	Correct	60 ms	492 KB	Output is correct
26	Correct	68 ms	492 KB	Output is correct
27	Correct	66 ms	492 KB	Output is correct
28	Correct	66 ms	492 KB	Output is correct
29	Correct	66 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	67 ms	492 KB	Output is correct
32	Correct	70 ms	468 KB	Output is correct
33	Correct	68 ms	364 KB	Output is correct
34	Correct	92 ms	364 KB	Output is correct
35	Correct	68 ms	364 KB	Output is correct
36	Correct	69 ms	492 KB	Output is correct
37	Correct	264 ms	596 KB	Output is correct
38	Correct	274 ms	596 KB	Output is correct
39	Correct	405 ms	364 KB	Output is correct
40	Correct	484 ms	596 KB	Output is correct
41	Correct	524 ms	468 KB	Output is correct
42	Correct	421 ms	620 KB	Output is correct
43	Correct	413 ms	852 KB	Output is correct
44	Correct	415 ms	852 KB	Output is correct
45	Correct	434 ms	852 KB	Output is correct
46	Correct	479 ms	468 KB	Output is correct
47	Correct	418 ms	620 KB	Output is correct
48	Correct	431 ms	748 KB	Output is correct
49	Correct	408 ms	492 KB	Output is correct
50	Correct	412 ms	620 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	604 ms	852 KB	Output is correct
53	Correct	599 ms	748 KB	Output is correct
54	Correct	820 ms	852 KB	Output is correct
55	Correct	853 ms	984 KB	Output is correct
56	Correct	634 ms	852 KB	Output is correct
57	Correct	832 ms	1112 KB	Output is correct
58	Correct	828 ms	852 KB	Output is correct
59	Correct	814 ms	880 KB	Output is correct
60	Correct	1 ms	364 KB	Output is correct
61	Correct	807 ms	984 KB	Output is correct
62	Correct	695 ms	984 KB	Output is correct
63	Correct	681 ms	984 KB	Output is correct
64	Correct	676 ms	984 KB	Output is correct
65	Correct	665 ms	492 KB	Output is correct
66	Correct	645 ms	492 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	364 KB	Output is correct
2	Correct	2 ms	364 KB	Output is correct
3	Correct	1 ms	364 KB	Output is correct
4	Correct	1 ms	364 KB	Output is correct
5	Correct	2 ms	364 KB	Output is correct
6	Correct	2 ms	364 KB	Output is correct
7	Correct	1 ms	364 KB	Output is correct
8	Correct	2 ms	364 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	8 ms	364 KB	Output is correct
11	Correct	7 ms	364 KB	Output is correct
12	Correct	7 ms	364 KB	Output is correct
13	Correct	1 ms	364 KB	Output is correct
14	Correct	6 ms	364 KB	Output is correct
15	Correct	6 ms	364 KB	Output is correct
16	Correct	8 ms	364 KB	Output is correct
17	Correct	4 ms	364 KB	Output is correct
18	Correct	6 ms	364 KB	Output is correct
19	Correct	6 ms	364 KB	Output is correct
20	Correct	9 ms	364 KB	Output is correct
21	Correct	28 ms	492 KB	Output is correct
22	Correct	45 ms	492 KB	Output is correct
23	Correct	17 ms	492 KB	Output is correct
24	Correct	74 ms	512 KB	Output is correct
25	Correct	60 ms	492 KB	Output is correct
26	Correct	68 ms	492 KB	Output is correct
27	Correct	66 ms	492 KB	Output is correct
28	Correct	66 ms	492 KB	Output is correct
29	Correct	66 ms	364 KB	Output is correct
30	Correct	1 ms	364 KB	Output is correct
31	Correct	67 ms	492 KB	Output is correct
32	Correct	70 ms	468 KB	Output is correct
33	Correct	68 ms	364 KB	Output is correct
34	Correct	92 ms	364 KB	Output is correct
35	Correct	68 ms	364 KB	Output is correct
36	Correct	69 ms	492 KB	Output is correct
37	Correct	264 ms	596 KB	Output is correct
38	Correct	274 ms	596 KB	Output is correct
39	Correct	405 ms	364 KB	Output is correct
40	Correct	484 ms	596 KB	Output is correct
41	Correct	524 ms	468 KB	Output is correct
42	Correct	421 ms	620 KB	Output is correct
43	Correct	413 ms	852 KB	Output is correct
44	Correct	415 ms	852 KB	Output is correct
45	Correct	434 ms	852 KB	Output is correct
46	Correct	479 ms	468 KB	Output is correct
47	Correct	418 ms	620 KB	Output is correct
48	Correct	431 ms	748 KB	Output is correct
49	Correct	408 ms	492 KB	Output is correct
50	Correct	412 ms	620 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	604 ms	852 KB	Output is correct
53	Correct	599 ms	748 KB	Output is correct
54	Correct	820 ms	852 KB	Output is correct
55	Correct	853 ms	984 KB	Output is correct
56	Correct	634 ms	852 KB	Output is correct
57	Correct	832 ms	1112 KB	Output is correct
58	Correct	828 ms	852 KB	Output is correct
59	Correct	814 ms	880 KB	Output is correct
60	Correct	1 ms	364 KB	Output is correct
61	Correct	807 ms	984 KB	Output is correct
62	Correct	695 ms	984 KB	Output is correct
63	Correct	681 ms	984 KB	Output is correct
64	Correct	676 ms	984 KB	Output is correct
65	Correct	665 ms	492 KB	Output is correct
66	Correct	645 ms	492 KB	Output is correct
67	Execution timed out	1045 ms	984 KB	Time limit exceeded
68	Halted	0 ms	0 KB	-

답안 #343762

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