답안 #442126

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
442126	2021-07-07T07:44:46 Z	Nima_Naderi	Bootfall (IZhO17_bootfall)	C++14	100 / 100	136 ms	3148 KB

bootfall

//In the name of GOD
//#pragma GCC optimize("O2")
#include<bits/stdc++.h>
#define md ((s + e) / 2)
#define dm ((s + e) / 2 + 1)
using namespace std;

typedef long long ll;
const ll MXN = 500 + 10;
const ll MXV = 25e4 + 10;
ll n, sum;
ll A[MXN], ANS[MXV];
bitset<MXV> inp;
void Upd(bitset<MXV> &bs, ll w){
	bs |= (bs << w);
}
void solve(ll s, ll e, const bitset<MXV> &old){
	if(s == e){
		sum -= A[s];
		//cout << "expect " << s << " : \n";
		for(int w = (sum + 1) / 2; w <= sum; w ++){
			if(old[w]){
				//cout << w << ' ';
				ANS[w - (sum - w)] ++;
			}
		}
		//cout << '\n';
		sum += A[s];
		return;
	}
	bitset<MXV> nw = old;
	for(int i = dm; i <= e; i ++) Upd(nw, A[i]);
	solve(s, md, nw);
	nw = old;
	for(int i = s; i <= md; i ++) Upd(nw, A[i]);
	solve(dm, e, nw);
}
int main(){
	ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);
	cin >> n;
	for(int i = 1; i <= n; i ++) cin >> A[i], sum += A[i];
	inp[0] = 1;
	for(int i = 1; i <= n; i ++) Upd(inp, A[i]);
	if(sum % 2 == 1 || inp[sum / 2] == 0){
		cout << 0 << '\n';
		return 0;
	}
	for(int i = 0; i < MXV; i ++) inp[i] = 0;
	inp[0] = 1;
	solve(1, n, inp);
	ll ans = 0;
	for(int i = 0; i < MXV; i ++) ans += (ANS[i] == n);
	cout << ans << '\n';
	for(int i = 0; i < MXV; i ++){
		if(ANS[i] == n) cout << i << ' ';
	}
	cout << '\n';
	return 0;
}
//! N.N

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	2 ms	460 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct
7	Correct	2 ms	460 KB	Output is correct
8	Correct	3 ms	460 KB	Output is correct
9	Correct	3 ms	536 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	2 ms	460 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct
7	Correct	2 ms	460 KB	Output is correct
8	Correct	3 ms	460 KB	Output is correct
9	Correct	3 ms	536 KB	Output is correct
10	Correct	4 ms	460 KB	Output is correct
11	Correct	4 ms	460 KB	Output is correct
12	Correct	4 ms	472 KB	Output is correct
13	Correct	3 ms	460 KB	Output is correct
14	Correct	4 ms	460 KB	Output is correct
15	Correct	3 ms	452 KB	Output is correct
16	Correct	4 ms	460 KB	Output is correct
17	Correct	3 ms	448 KB	Output is correct
18	Correct	3 ms	448 KB	Output is correct
19	Correct	3 ms	568 KB	Output is correct
20	Correct	4 ms	460 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	2 ms	460 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct
7	Correct	2 ms	460 KB	Output is correct
8	Correct	3 ms	460 KB	Output is correct
9	Correct	3 ms	536 KB	Output is correct
10	Correct	4 ms	460 KB	Output is correct
11	Correct	4 ms	460 KB	Output is correct
12	Correct	4 ms	472 KB	Output is correct
13	Correct	3 ms	460 KB	Output is correct
14	Correct	4 ms	460 KB	Output is correct
15	Correct	3 ms	452 KB	Output is correct
16	Correct	4 ms	460 KB	Output is correct
17	Correct	3 ms	448 KB	Output is correct
18	Correct	3 ms	448 KB	Output is correct
19	Correct	3 ms	568 KB	Output is correct
20	Correct	4 ms	460 KB	Output is correct
21	Correct	6 ms	588 KB	Output is correct
22	Correct	7 ms	588 KB	Output is correct
23	Correct	5 ms	588 KB	Output is correct
24	Correct	9 ms	588 KB	Output is correct
25	Correct	9 ms	588 KB	Output is correct
26	Correct	10 ms	700 KB	Output is correct
27	Correct	10 ms	588 KB	Output is correct
28	Correct	10 ms	588 KB	Output is correct
29	Correct	10 ms	588 KB	Output is correct
30	Correct	9 ms	588 KB	Output is correct
31	Correct	10 ms	684 KB	Output is correct
32	Correct	9 ms	660 KB	Output is correct
33	Correct	9 ms	664 KB	Output is correct
34	Correct	9 ms	708 KB	Output is correct
35	Correct	10 ms	588 KB	Output is correct
36	Correct	9 ms	588 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	2 ms	460 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct
7	Correct	2 ms	460 KB	Output is correct
8	Correct	3 ms	460 KB	Output is correct
9	Correct	3 ms	536 KB	Output is correct
10	Correct	4 ms	460 KB	Output is correct
11	Correct	4 ms	460 KB	Output is correct
12	Correct	4 ms	472 KB	Output is correct
13	Correct	3 ms	460 KB	Output is correct
14	Correct	4 ms	460 KB	Output is correct
15	Correct	3 ms	452 KB	Output is correct
16	Correct	4 ms	460 KB	Output is correct
17	Correct	3 ms	448 KB	Output is correct
18	Correct	3 ms	448 KB	Output is correct
19	Correct	3 ms	568 KB	Output is correct
20	Correct	4 ms	460 KB	Output is correct
21	Correct	6 ms	588 KB	Output is correct
22	Correct	7 ms	588 KB	Output is correct
23	Correct	5 ms	588 KB	Output is correct
24	Correct	9 ms	588 KB	Output is correct
25	Correct	9 ms	588 KB	Output is correct
26	Correct	10 ms	700 KB	Output is correct
27	Correct	10 ms	588 KB	Output is correct
28	Correct	10 ms	588 KB	Output is correct
29	Correct	10 ms	588 KB	Output is correct
30	Correct	9 ms	588 KB	Output is correct
31	Correct	10 ms	684 KB	Output is correct
32	Correct	9 ms	660 KB	Output is correct
33	Correct	9 ms	664 KB	Output is correct
34	Correct	9 ms	708 KB	Output is correct
35	Correct	10 ms	588 KB	Output is correct
36	Correct	9 ms	588 KB	Output is correct
37	Correct	21 ms	808 KB	Output is correct
38	Correct	21 ms	816 KB	Output is correct
39	Correct	32 ms	1120 KB	Output is correct
40	Correct	31 ms	948 KB	Output is correct
41	Correct	35 ms	1100 KB	Output is correct
42	Correct	28 ms	888 KB	Output is correct
43	Correct	34 ms	1172 KB	Output is correct
44	Correct	33 ms	1212 KB	Output is correct
45	Correct	34 ms	1220 KB	Output is correct
46	Correct	30 ms	928 KB	Output is correct
47	Correct	28 ms	968 KB	Output is correct
48	Correct	34 ms	1220 KB	Output is correct
49	Correct	32 ms	1140 KB	Output is correct
50	Correct	29 ms	936 KB	Output is correct
51	Correct	3 ms	324 KB	Output is correct
52	Correct	39 ms	1352 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	2 ms	460 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct
7	Correct	2 ms	460 KB	Output is correct
8	Correct	3 ms	460 KB	Output is correct
9	Correct	3 ms	536 KB	Output is correct
10	Correct	4 ms	460 KB	Output is correct
11	Correct	4 ms	460 KB	Output is correct
12	Correct	4 ms	472 KB	Output is correct
13	Correct	3 ms	460 KB	Output is correct
14	Correct	4 ms	460 KB	Output is correct
15	Correct	3 ms	452 KB	Output is correct
16	Correct	4 ms	460 KB	Output is correct
17	Correct	3 ms	448 KB	Output is correct
18	Correct	3 ms	448 KB	Output is correct
19	Correct	3 ms	568 KB	Output is correct
20	Correct	4 ms	460 KB	Output is correct
21	Correct	6 ms	588 KB	Output is correct
22	Correct	7 ms	588 KB	Output is correct
23	Correct	5 ms	588 KB	Output is correct
24	Correct	9 ms	588 KB	Output is correct
25	Correct	9 ms	588 KB	Output is correct
26	Correct	10 ms	700 KB	Output is correct
27	Correct	10 ms	588 KB	Output is correct
28	Correct	10 ms	588 KB	Output is correct
29	Correct	10 ms	588 KB	Output is correct
30	Correct	9 ms	588 KB	Output is correct
31	Correct	10 ms	684 KB	Output is correct
32	Correct	9 ms	660 KB	Output is correct
33	Correct	9 ms	664 KB	Output is correct
34	Correct	9 ms	708 KB	Output is correct
35	Correct	10 ms	588 KB	Output is correct
36	Correct	9 ms	588 KB	Output is correct
37	Correct	21 ms	808 KB	Output is correct
38	Correct	21 ms	816 KB	Output is correct
39	Correct	32 ms	1120 KB	Output is correct
40	Correct	31 ms	948 KB	Output is correct
41	Correct	35 ms	1100 KB	Output is correct
42	Correct	28 ms	888 KB	Output is correct
43	Correct	34 ms	1172 KB	Output is correct
44	Correct	33 ms	1212 KB	Output is correct
45	Correct	34 ms	1220 KB	Output is correct
46	Correct	30 ms	928 KB	Output is correct
47	Correct	28 ms	968 KB	Output is correct
48	Correct	34 ms	1220 KB	Output is correct
49	Correct	32 ms	1140 KB	Output is correct
50	Correct	29 ms	936 KB	Output is correct
51	Correct	3 ms	324 KB	Output is correct
52	Correct	39 ms	1352 KB	Output is correct
53	Correct	38 ms	1032 KB	Output is correct
54	Correct	48 ms	1240 KB	Output is correct
55	Correct	61 ms	1732 KB	Output is correct
56	Correct	41 ms	1232 KB	Output is correct
57	Correct	64 ms	1812 KB	Output is correct
58	Correct	48 ms	1288 KB	Output is correct
59	Correct	53 ms	1476 KB	Output is correct
60	Correct	4 ms	332 KB	Output is correct
61	Correct	56 ms	1464 KB	Output is correct
62	Correct	52 ms	1604 KB	Output is correct
63	Correct	54 ms	1860 KB	Output is correct
64	Correct	53 ms	1736 KB	Output is correct
65	Correct	42 ms	1052 KB	Output is correct
66	Correct	39 ms	1092 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	2 ms	460 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct
7	Correct	2 ms	460 KB	Output is correct
8	Correct	3 ms	460 KB	Output is correct
9	Correct	3 ms	536 KB	Output is correct
10	Correct	4 ms	460 KB	Output is correct
11	Correct	4 ms	460 KB	Output is correct
12	Correct	4 ms	472 KB	Output is correct
13	Correct	3 ms	460 KB	Output is correct
14	Correct	4 ms	460 KB	Output is correct
15	Correct	3 ms	452 KB	Output is correct
16	Correct	4 ms	460 KB	Output is correct
17	Correct	3 ms	448 KB	Output is correct
18	Correct	3 ms	448 KB	Output is correct
19	Correct	3 ms	568 KB	Output is correct
20	Correct	4 ms	460 KB	Output is correct
21	Correct	6 ms	588 KB	Output is correct
22	Correct	7 ms	588 KB	Output is correct
23	Correct	5 ms	588 KB	Output is correct
24	Correct	9 ms	588 KB	Output is correct
25	Correct	9 ms	588 KB	Output is correct
26	Correct	10 ms	700 KB	Output is correct
27	Correct	10 ms	588 KB	Output is correct
28	Correct	10 ms	588 KB	Output is correct
29	Correct	10 ms	588 KB	Output is correct
30	Correct	9 ms	588 KB	Output is correct
31	Correct	10 ms	684 KB	Output is correct
32	Correct	9 ms	660 KB	Output is correct
33	Correct	9 ms	664 KB	Output is correct
34	Correct	9 ms	708 KB	Output is correct
35	Correct	10 ms	588 KB	Output is correct
36	Correct	9 ms	588 KB	Output is correct
37	Correct	21 ms	808 KB	Output is correct
38	Correct	21 ms	816 KB	Output is correct
39	Correct	32 ms	1120 KB	Output is correct
40	Correct	31 ms	948 KB	Output is correct
41	Correct	35 ms	1100 KB	Output is correct
42	Correct	28 ms	888 KB	Output is correct
43	Correct	34 ms	1172 KB	Output is correct
44	Correct	33 ms	1212 KB	Output is correct
45	Correct	34 ms	1220 KB	Output is correct
46	Correct	30 ms	928 KB	Output is correct
47	Correct	28 ms	968 KB	Output is correct
48	Correct	34 ms	1220 KB	Output is correct
49	Correct	32 ms	1140 KB	Output is correct
50	Correct	29 ms	936 KB	Output is correct
51	Correct	3 ms	324 KB	Output is correct
52	Correct	39 ms	1352 KB	Output is correct
53	Correct	38 ms	1032 KB	Output is correct
54	Correct	48 ms	1240 KB	Output is correct
55	Correct	61 ms	1732 KB	Output is correct
56	Correct	41 ms	1232 KB	Output is correct
57	Correct	64 ms	1812 KB	Output is correct
58	Correct	48 ms	1288 KB	Output is correct
59	Correct	53 ms	1476 KB	Output is correct
60	Correct	4 ms	332 KB	Output is correct
61	Correct	56 ms	1464 KB	Output is correct
62	Correct	52 ms	1604 KB	Output is correct
63	Correct	54 ms	1860 KB	Output is correct
64	Correct	53 ms	1736 KB	Output is correct
65	Correct	42 ms	1052 KB	Output is correct
66	Correct	39 ms	1092 KB	Output is correct
67	Correct	61 ms	1476 KB	Output is correct
68	Correct	5 ms	332 KB	Output is correct
69	Correct	123 ms	2960 KB	Output is correct
70	Correct	92 ms	1988 KB	Output is correct
71	Correct	94 ms	1904 KB	Output is correct
72	Correct	95 ms	1648 KB	Output is correct
73	Correct	88 ms	1612 KB	Output is correct
74	Correct	130 ms	3064 KB	Output is correct
75	Correct	108 ms	2544 KB	Output is correct
76	Correct	136 ms	3140 KB	Output is correct
77	Correct	132 ms	3148 KB	Output is correct

답안 #442126

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