답안 #514767

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
514767	2022-01-18T13:07:36 Z	ymm	Bootfall (IZhO17_bootfall)	C++17	100 / 100	217 ms	17832 KB

bootfall

///
///   What would happen if we used assembly language for CP?
///   Sorry, that was a strange thing to ask.
///

#include <bits/stdc++.h>
#define Loop(x,l,r) for(ll x = ll(l); x < ll(r); ++x)
#define LoopR(x,l,r) for(ll x = ll(r)-1; x >= ll(l); --x)
#define Kill(x) exit((cout << (x) << '\n', 0))
typedef long long ll;
typedef std::pair<int,int> pii;
typedef std::pair<ll,ll> pll;
using namespace std;

const int N = 505;
int a[N];
bitset<N*N> bs[N];
int n;
int sum=0;

vector<int> t[N<<2];
bitset<N*N> dc[11]; int dcc=0;
void add(int l, int r, int x, int i=0, int b=0, int e=N){
	if(r<=b||e<=l||l>=r) return;
	if(l<=b&&e<=r) {t[i].push_back(x); return;}
	add(l,r,x,2*i+1,b,(b+e)/2);
	add(l,r,x,2*i+2,(b+e)/2,e);
}
void push(int i){
	dc[dcc+1] = dc[dcc];
	++dcc;
	for(int x : t[i]) dc[dcc] = dc[dcc]|(dc[dcc]<<x);
}
void dfs(int i=0, int b=0, int e=N){
	push(i);
	if(e-b==1){bs[b]=dc[dcc];--dcc;return;}
	dfs(2*i+1,b,(b+e)/2);
	dfs(2*i+2,(b+e)/2,e);
	--dcc;
}

bool test(int x){
	Loop(i,0,n){
		if(sum-a[i]-x<0) return 0;
		if((sum-a[i]-x)&1) return 0;
		if(!bs[i][(sum-a[i]-x)/2]) return 0;
	}
	return 1;
}

int main()
{
	cin.tie(0) -> sync_with_stdio(false);
	cin >> n;
	Loop(i,0,n){
		cin >> a[i];
		add(0,i,a[i]);
		add(i+1,n+1,a[i]);
		sum += a[i];
	}
	dc[0][0]=1;
	dfs();
	//Loop(i,0,n+1) {Loop(j,0,50) cout<<bs[i][j]; cout << '\n';}
	if((sum&1) || !bs[n][sum/2]) Kill("0\n");
	vector<int> ans;
	Loop(i,0,N*N) if(test(i)) ans.push_back(i);
	cout << ans.size() << '\n';
	for(int x : ans) cout << x << ' ';
	cout << '\n';
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	16360 KB	Output is correct
2	Correct	11 ms	16460 KB	Output is correct
3	Correct	10 ms	16460 KB	Output is correct
4	Correct	10 ms	16460 KB	Output is correct
5	Correct	12 ms	16460 KB	Output is correct
6	Correct	9 ms	16460 KB	Output is correct
7	Correct	9 ms	16460 KB	Output is correct
8	Correct	10 ms	16380 KB	Output is correct
9	Correct	10 ms	16404 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	16360 KB	Output is correct
2	Correct	11 ms	16460 KB	Output is correct
3	Correct	10 ms	16460 KB	Output is correct
4	Correct	10 ms	16460 KB	Output is correct
5	Correct	12 ms	16460 KB	Output is correct
6	Correct	9 ms	16460 KB	Output is correct
7	Correct	9 ms	16460 KB	Output is correct
8	Correct	10 ms	16380 KB	Output is correct
9	Correct	10 ms	16404 KB	Output is correct
10	Correct	14 ms	16384 KB	Output is correct
11	Correct	10 ms	16460 KB	Output is correct
12	Correct	10 ms	16440 KB	Output is correct
13	Correct	12 ms	16424 KB	Output is correct
14	Correct	11 ms	16492 KB	Output is correct
15	Correct	11 ms	16500 KB	Output is correct
16	Correct	10 ms	16404 KB	Output is correct
17	Correct	12 ms	16460 KB	Output is correct
18	Correct	10 ms	16488 KB	Output is correct
19	Correct	12 ms	16460 KB	Output is correct
20	Correct	11 ms	16460 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	16360 KB	Output is correct
2	Correct	11 ms	16460 KB	Output is correct
3	Correct	10 ms	16460 KB	Output is correct
4	Correct	10 ms	16460 KB	Output is correct
5	Correct	12 ms	16460 KB	Output is correct
6	Correct	9 ms	16460 KB	Output is correct
7	Correct	9 ms	16460 KB	Output is correct
8	Correct	10 ms	16380 KB	Output is correct
9	Correct	10 ms	16404 KB	Output is correct
10	Correct	14 ms	16384 KB	Output is correct
11	Correct	10 ms	16460 KB	Output is correct
12	Correct	10 ms	16440 KB	Output is correct
13	Correct	12 ms	16424 KB	Output is correct
14	Correct	11 ms	16492 KB	Output is correct
15	Correct	11 ms	16500 KB	Output is correct
16	Correct	10 ms	16404 KB	Output is correct
17	Correct	12 ms	16460 KB	Output is correct
18	Correct	10 ms	16488 KB	Output is correct
19	Correct	12 ms	16460 KB	Output is correct
20	Correct	11 ms	16460 KB	Output is correct
21	Correct	16 ms	16452 KB	Output is correct
22	Correct	16 ms	16496 KB	Output is correct
23	Correct	12 ms	16460 KB	Output is correct
24	Correct	17 ms	16508 KB	Output is correct
25	Correct	18 ms	16540 KB	Output is correct
26	Correct	18 ms	16508 KB	Output is correct
27	Correct	19 ms	16412 KB	Output is correct
28	Correct	23 ms	16424 KB	Output is correct
29	Correct	21 ms	16460 KB	Output is correct
30	Correct	19 ms	16408 KB	Output is correct
31	Correct	26 ms	16468 KB	Output is correct
32	Correct	20 ms	16468 KB	Output is correct
33	Correct	25 ms	16524 KB	Output is correct
34	Correct	19 ms	16496 KB	Output is correct
35	Correct	19 ms	16460 KB	Output is correct
36	Correct	17 ms	16424 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	16360 KB	Output is correct
2	Correct	11 ms	16460 KB	Output is correct
3	Correct	10 ms	16460 KB	Output is correct
4	Correct	10 ms	16460 KB	Output is correct
5	Correct	12 ms	16460 KB	Output is correct
6	Correct	9 ms	16460 KB	Output is correct
7	Correct	9 ms	16460 KB	Output is correct
8	Correct	10 ms	16380 KB	Output is correct
9	Correct	10 ms	16404 KB	Output is correct
10	Correct	14 ms	16384 KB	Output is correct
11	Correct	10 ms	16460 KB	Output is correct
12	Correct	10 ms	16440 KB	Output is correct
13	Correct	12 ms	16424 KB	Output is correct
14	Correct	11 ms	16492 KB	Output is correct
15	Correct	11 ms	16500 KB	Output is correct
16	Correct	10 ms	16404 KB	Output is correct
17	Correct	12 ms	16460 KB	Output is correct
18	Correct	10 ms	16488 KB	Output is correct
19	Correct	12 ms	16460 KB	Output is correct
20	Correct	11 ms	16460 KB	Output is correct
21	Correct	16 ms	16452 KB	Output is correct
22	Correct	16 ms	16496 KB	Output is correct
23	Correct	12 ms	16460 KB	Output is correct
24	Correct	17 ms	16508 KB	Output is correct
25	Correct	18 ms	16540 KB	Output is correct
26	Correct	18 ms	16508 KB	Output is correct
27	Correct	19 ms	16412 KB	Output is correct
28	Correct	23 ms	16424 KB	Output is correct
29	Correct	21 ms	16460 KB	Output is correct
30	Correct	19 ms	16408 KB	Output is correct
31	Correct	26 ms	16468 KB	Output is correct
32	Correct	20 ms	16468 KB	Output is correct
33	Correct	25 ms	16524 KB	Output is correct
34	Correct	19 ms	16496 KB	Output is correct
35	Correct	19 ms	16460 KB	Output is correct
36	Correct	17 ms	16424 KB	Output is correct
37	Correct	32 ms	16688 KB	Output is correct
38	Correct	35 ms	16632 KB	Output is correct
39	Correct	35 ms	16460 KB	Output is correct
40	Correct	56 ms	16676 KB	Output is correct
41	Correct	32 ms	16436 KB	Output is correct
42	Correct	47 ms	16688 KB	Output is correct
43	Correct	55 ms	16756 KB	Output is correct
44	Correct	71 ms	16880 KB	Output is correct
45	Correct	74 ms	16880 KB	Output is correct
46	Correct	38 ms	16372 KB	Output is correct
47	Correct	54 ms	16692 KB	Output is correct
48	Correct	74 ms	16740 KB	Output is correct
49	Correct	66 ms	16512 KB	Output is correct
50	Correct	55 ms	16688 KB	Output is correct
51	Correct	42 ms	16480 KB	Output is correct
52	Correct	55 ms	16884 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	16360 KB	Output is correct
2	Correct	11 ms	16460 KB	Output is correct
3	Correct	10 ms	16460 KB	Output is correct
4	Correct	10 ms	16460 KB	Output is correct
5	Correct	12 ms	16460 KB	Output is correct
6	Correct	9 ms	16460 KB	Output is correct
7	Correct	9 ms	16460 KB	Output is correct
8	Correct	10 ms	16380 KB	Output is correct
9	Correct	10 ms	16404 KB	Output is correct
10	Correct	14 ms	16384 KB	Output is correct
11	Correct	10 ms	16460 KB	Output is correct
12	Correct	10 ms	16440 KB	Output is correct
13	Correct	12 ms	16424 KB	Output is correct
14	Correct	11 ms	16492 KB	Output is correct
15	Correct	11 ms	16500 KB	Output is correct
16	Correct	10 ms	16404 KB	Output is correct
17	Correct	12 ms	16460 KB	Output is correct
18	Correct	10 ms	16488 KB	Output is correct
19	Correct	12 ms	16460 KB	Output is correct
20	Correct	11 ms	16460 KB	Output is correct
21	Correct	16 ms	16452 KB	Output is correct
22	Correct	16 ms	16496 KB	Output is correct
23	Correct	12 ms	16460 KB	Output is correct
24	Correct	17 ms	16508 KB	Output is correct
25	Correct	18 ms	16540 KB	Output is correct
26	Correct	18 ms	16508 KB	Output is correct
27	Correct	19 ms	16412 KB	Output is correct
28	Correct	23 ms	16424 KB	Output is correct
29	Correct	21 ms	16460 KB	Output is correct
30	Correct	19 ms	16408 KB	Output is correct
31	Correct	26 ms	16468 KB	Output is correct
32	Correct	20 ms	16468 KB	Output is correct
33	Correct	25 ms	16524 KB	Output is correct
34	Correct	19 ms	16496 KB	Output is correct
35	Correct	19 ms	16460 KB	Output is correct
36	Correct	17 ms	16424 KB	Output is correct
37	Correct	32 ms	16688 KB	Output is correct
38	Correct	35 ms	16632 KB	Output is correct
39	Correct	35 ms	16460 KB	Output is correct
40	Correct	56 ms	16676 KB	Output is correct
41	Correct	32 ms	16436 KB	Output is correct
42	Correct	47 ms	16688 KB	Output is correct
43	Correct	55 ms	16756 KB	Output is correct
44	Correct	71 ms	16880 KB	Output is correct
45	Correct	74 ms	16880 KB	Output is correct
46	Correct	38 ms	16372 KB	Output is correct
47	Correct	54 ms	16692 KB	Output is correct
48	Correct	74 ms	16740 KB	Output is correct
49	Correct	66 ms	16512 KB	Output is correct
50	Correct	55 ms	16688 KB	Output is correct
51	Correct	42 ms	16480 KB	Output is correct
52	Correct	55 ms	16884 KB	Output is correct
53	Correct	53 ms	16832 KB	Output is correct
54	Correct	74 ms	16876 KB	Output is correct
55	Correct	113 ms	17128 KB	Output is correct
56	Correct	61 ms	16808 KB	Output is correct
57	Correct	91 ms	17104 KB	Output is correct
58	Correct	83 ms	16944 KB	Output is correct
59	Correct	90 ms	17000 KB	Output is correct
60	Correct	43 ms	16420 KB	Output is correct
61	Correct	78 ms	16948 KB	Output is correct
62	Correct	104 ms	17088 KB	Output is correct
63	Correct	88 ms	17012 KB	Output is correct
64	Correct	110 ms	17060 KB	Output is correct
65	Correct	54 ms	16452 KB	Output is correct
66	Correct	48 ms	16604 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	16360 KB	Output is correct
2	Correct	11 ms	16460 KB	Output is correct
3	Correct	10 ms	16460 KB	Output is correct
4	Correct	10 ms	16460 KB	Output is correct
5	Correct	12 ms	16460 KB	Output is correct
6	Correct	9 ms	16460 KB	Output is correct
7	Correct	9 ms	16460 KB	Output is correct
8	Correct	10 ms	16380 KB	Output is correct
9	Correct	10 ms	16404 KB	Output is correct
10	Correct	14 ms	16384 KB	Output is correct
11	Correct	10 ms	16460 KB	Output is correct
12	Correct	10 ms	16440 KB	Output is correct
13	Correct	12 ms	16424 KB	Output is correct
14	Correct	11 ms	16492 KB	Output is correct
15	Correct	11 ms	16500 KB	Output is correct
16	Correct	10 ms	16404 KB	Output is correct
17	Correct	12 ms	16460 KB	Output is correct
18	Correct	10 ms	16488 KB	Output is correct
19	Correct	12 ms	16460 KB	Output is correct
20	Correct	11 ms	16460 KB	Output is correct
21	Correct	16 ms	16452 KB	Output is correct
22	Correct	16 ms	16496 KB	Output is correct
23	Correct	12 ms	16460 KB	Output is correct
24	Correct	17 ms	16508 KB	Output is correct
25	Correct	18 ms	16540 KB	Output is correct
26	Correct	18 ms	16508 KB	Output is correct
27	Correct	19 ms	16412 KB	Output is correct
28	Correct	23 ms	16424 KB	Output is correct
29	Correct	21 ms	16460 KB	Output is correct
30	Correct	19 ms	16408 KB	Output is correct
31	Correct	26 ms	16468 KB	Output is correct
32	Correct	20 ms	16468 KB	Output is correct
33	Correct	25 ms	16524 KB	Output is correct
34	Correct	19 ms	16496 KB	Output is correct
35	Correct	19 ms	16460 KB	Output is correct
36	Correct	17 ms	16424 KB	Output is correct
37	Correct	32 ms	16688 KB	Output is correct
38	Correct	35 ms	16632 KB	Output is correct
39	Correct	35 ms	16460 KB	Output is correct
40	Correct	56 ms	16676 KB	Output is correct
41	Correct	32 ms	16436 KB	Output is correct
42	Correct	47 ms	16688 KB	Output is correct
43	Correct	55 ms	16756 KB	Output is correct
44	Correct	71 ms	16880 KB	Output is correct
45	Correct	74 ms	16880 KB	Output is correct
46	Correct	38 ms	16372 KB	Output is correct
47	Correct	54 ms	16692 KB	Output is correct
48	Correct	74 ms	16740 KB	Output is correct
49	Correct	66 ms	16512 KB	Output is correct
50	Correct	55 ms	16688 KB	Output is correct
51	Correct	42 ms	16480 KB	Output is correct
52	Correct	55 ms	16884 KB	Output is correct
53	Correct	53 ms	16832 KB	Output is correct
54	Correct	74 ms	16876 KB	Output is correct
55	Correct	113 ms	17128 KB	Output is correct
56	Correct	61 ms	16808 KB	Output is correct
57	Correct	91 ms	17104 KB	Output is correct
58	Correct	83 ms	16944 KB	Output is correct
59	Correct	90 ms	17000 KB	Output is correct
60	Correct	43 ms	16420 KB	Output is correct
61	Correct	78 ms	16948 KB	Output is correct
62	Correct	104 ms	17088 KB	Output is correct
63	Correct	88 ms	17012 KB	Output is correct
64	Correct	110 ms	17060 KB	Output is correct
65	Correct	54 ms	16452 KB	Output is correct
66	Correct	48 ms	16604 KB	Output is correct
67	Correct	90 ms	16920 KB	Output is correct
68	Correct	77 ms	16532 KB	Output is correct
69	Correct	175 ms	17640 KB	Output is correct
70	Correct	142 ms	17260 KB	Output is correct
71	Correct	165 ms	17200 KB	Output is correct
72	Correct	73 ms	16452 KB	Output is correct
73	Correct	77 ms	16452 KB	Output is correct
74	Correct	175 ms	17684 KB	Output is correct
75	Correct	172 ms	17520 KB	Output is correct
76	Correct	217 ms	17700 KB	Output is correct
77	Correct	214 ms	17832 KB	Output is correct

답안 #514767

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 35.0 / 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
35.0 / 35.0