답안 #332988

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
332988	2020-12-04T07:46:53 Z	Cantfindme	Bali Sculptures (APIO15_sculpture)	C++17	100 / 100	123 ms	640 KB

sculpture

#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int,int> pi;
#define f first
#define s second
#define FAST ios_base::sync_with_stdio(0); cin.tie(0);

const int maxb = 43;
const int maxn = 2010;
const int INF = INT_MAX/2;

int n,A,B;
int pref[maxn];
int aa[maxn];
int dp1[110][110]; //after x items, j groups: works on not.
int dp2[2010]; //after x items: minimum number of groups 
int curbm;

int cap(int x, int groups) {
	if (dp1[x][groups] != -1) return dp1[x][groups];
	if (groups > B) return 0;
	if (x == n) {
		if (groups >= A and groups <= B) return 1;
		else return 0;
	}
	
	int res = 0;
	for (int i = x; i < n;i++) {
		int sum = pref[i] - (x == 0?0: pref[x - 1]);
		if ((sum & curbm) == 0) res = max(res, cap(i+1,groups+1));
	}
	return dp1[x][groups] = res;
}

int cap2(int x) {
	if (dp2[x] != -1) return dp2[x];
	if (x >= n) return 0;
	
	int res = INF;
	for (int i = x; i < n;i++) {
		int sum = pref[i] - (x == 0?0: pref[x - 1]);
		if ((sum & curbm) == 0) res = min(res, cap2(i+1) + 1);
	}
	
	return dp2[x] = res;
}

int32_t main() {
	FAST
	cin >> n >> A >> B;
	for (int i =0;i<n;i++) cin >> aa[i];
	for (int i =0;i<n;i++) {
		pref[i] = (i==0?0:pref[i-1]) + aa[i];
	}
	
	int ans = (1ll << maxb)-1;
	if (n <= 100) { //a can be > 1
		//Greedy
		for (int b = maxb-1; b >= 0; b--) {
			curbm = (1ll << maxb) - 1;
			curbm ^= (ans ^ (1ll << b));
						
			memset(dp1,-1,sizeof dp1);
			if (cap(0,0)) ans ^= (1ll << b); //If you can limit all groups to have bm that doesn't have (1<<b) then ans can also not have (1<<b)
		}
	} else { //a can only be = 1;
		for (int b = maxb-1; b >= 0; b--) {
			curbm = (1ll << maxb) - 1;
			curbm ^= (ans ^ (1ll << b)); //All of the bits that cannot be on.
			
			memset(dp2,-1,sizeof dp2);
			if (cap2(0) <= B) ans ^= (1ll << b); 
		}
	}
	cout << ans;
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 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	1 ms	492 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	492 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	1 ms	492 KB	Output is correct
11	Correct	1 ms	492 KB	Output is correct
12	Correct	1 ms	492 KB	Output is correct
13	Correct	1 ms	492 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	1 ms	492 KB	Output is correct
18	Correct	1 ms	492 KB	Output is correct
19	Correct	1 ms	512 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	1 ms	492 KB	Output is correct
22	Correct	1 ms	492 KB	Output is correct
23	Correct	1 ms	492 KB	Output is correct
24	Correct	1 ms	492 KB	Output is correct
25	Correct	1 ms	640 KB	Output is correct
26	Correct	1 ms	492 KB	Output is correct
27	Correct	1 ms	492 KB	Output is correct
28	Correct	1 ms	492 KB	Output is correct
29	Correct	1 ms	492 KB	Output is correct
30	Correct	1 ms	492 KB	Output is correct
31	Correct	1 ms	492 KB	Output is correct
32	Correct	1 ms	492 KB	Output is correct
33	Correct	1 ms	492 KB	Output is correct
34	Correct	1 ms	492 KB	Output is correct
35	Correct	1 ms	492 KB	Output is correct
36	Correct	1 ms	492 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 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	1 ms	492 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	492 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	1 ms	492 KB	Output is correct
11	Correct	1 ms	492 KB	Output is correct
12	Correct	1 ms	492 KB	Output is correct
13	Correct	1 ms	492 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	1 ms	492 KB	Output is correct
18	Correct	1 ms	492 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	1 ms	492 KB	Output is correct
22	Correct	1 ms	492 KB	Output is correct
23	Correct	1 ms	492 KB	Output is correct
24	Correct	1 ms	492 KB	Output is correct
25	Correct	1 ms	492 KB	Output is correct
26	Correct	1 ms	492 KB	Output is correct
27	Correct	1 ms	492 KB	Output is correct
28	Correct	2 ms	492 KB	Output is correct
29	Correct	2 ms	492 KB	Output is correct
30	Correct	3 ms	492 KB	Output is correct
31	Correct	4 ms	492 KB	Output is correct
32	Correct	5 ms	492 KB	Output is correct
33	Correct	1 ms	492 KB	Output is correct
34	Correct	5 ms	492 KB	Output is correct
35	Correct	6 ms	512 KB	Output is correct
36	Correct	3 ms	512 KB	Output is correct

Subtask #3
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	38 ms	492 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	512 KB	Output is correct
5	Correct	36 ms	492 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	492 KB	Output is correct
8	Correct	1 ms	492 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	1 ms	492 KB	Output is correct
11	Correct	1 ms	492 KB	Output is correct
12	Correct	1 ms	492 KB	Output is correct
13	Correct	1 ms	492 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	492 KB	Output is correct
16	Correct	2 ms	620 KB	Output is correct
17	Correct	3 ms	492 KB	Output is correct
18	Correct	5 ms	620 KB	Output is correct
19	Correct	5 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	5 ms	492 KB	Output is correct
22	Correct	4 ms	492 KB	Output is correct
23	Correct	3 ms	492 KB	Output is correct
24	Correct	5 ms	492 KB	Output is correct
25	Correct	5 ms	492 KB	Output is correct
26	Correct	12 ms	384 KB	Output is correct
27	Correct	26 ms	492 KB	Output is correct
28	Correct	36 ms	492 KB	Output is correct
29	Correct	36 ms	492 KB	Output is correct
30	Correct	2 ms	492 KB	Output is correct
31	Correct	31 ms	620 KB	Output is correct
32	Correct	35 ms	492 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	1 ms	492 KB	Output is correct
5	Correct	1 ms	492 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	492 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	1 ms	492 KB	Output is correct
11	Correct	1 ms	492 KB	Output is correct
12	Correct	1 ms	492 KB	Output is correct
13	Correct	1 ms	492 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	1 ms	492 KB	Output is correct
18	Correct	1 ms	492 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	1 ms	492 KB	Output is correct
22	Correct	33 ms	492 KB	Output is correct
23	Correct	1 ms	512 KB	Output is correct
24	Correct	1 ms	492 KB	Output is correct
25	Correct	1 ms	492 KB	Output is correct
26	Correct	1 ms	492 KB	Output is correct
27	Correct	1 ms	492 KB	Output is correct
28	Correct	1 ms	492 KB	Output is correct
29	Correct	1 ms	492 KB	Output is correct
30	Correct	1 ms	492 KB	Output is correct
31	Correct	1 ms	492 KB	Output is correct
32	Correct	1 ms	492 KB	Output is correct
33	Correct	1 ms	492 KB	Output is correct
34	Correct	1 ms	492 KB	Output is correct
35	Correct	1 ms	492 KB	Output is correct
36	Correct	1 ms	492 KB	Output is correct
37	Correct	1 ms	492 KB	Output is correct
38	Correct	1 ms	492 KB	Output is correct
39	Correct	2 ms	492 KB	Output is correct
40	Correct	3 ms	492 KB	Output is correct
41	Correct	71 ms	492 KB	Output is correct
42	Correct	4 ms	492 KB	Output is correct
43	Correct	1 ms	492 KB	Output is correct
44	Correct	5 ms	492 KB	Output is correct
45	Correct	36 ms	492 KB	Output is correct
46	Correct	3 ms	512 KB	Output is correct
47	Correct	5 ms	492 KB	Output is correct
48	Correct	5 ms	492 KB	Output is correct
49	Correct	12 ms	492 KB	Output is correct
50	Correct	27 ms	492 KB	Output is correct
51	Correct	36 ms	492 KB	Output is correct
52	Correct	35 ms	492 KB	Output is correct
53	Correct	2 ms	492 KB	Output is correct
54	Correct	31 ms	492 KB	Output is correct
55	Correct	35 ms	492 KB	Output is correct
56	Correct	2 ms	492 KB	Output is correct
57	Correct	4 ms	492 KB	Output is correct
58	Correct	8 ms	492 KB	Output is correct
59	Correct	12 ms	492 KB	Output is correct
60	Correct	10 ms	492 KB	Output is correct
61	Correct	1 ms	492 KB	Output is correct
62	Correct	14 ms	492 KB	Output is correct
63	Correct	14 ms	492 KB	Output is correct
64	Correct	30 ms	492 KB	Output is correct
65	Correct	2 ms	492 KB	Output is correct
66	Correct	2 ms	492 KB	Output is correct
67	Correct	4 ms	492 KB	Output is correct
68	Correct	8 ms	492 KB	Output is correct
69	Correct	11 ms	492 KB	Output is correct
70	Correct	10 ms	492 KB	Output is correct
71	Correct	1 ms	492 KB	Output is correct
72	Correct	13 ms	492 KB	Output is correct
73	Correct	13 ms	492 KB	Output is correct
74	Correct	13 ms	492 KB	Output is correct

Subtask #5
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	492 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	1 ms	492 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	492 KB	Output is correct
9	Correct	1 ms	492 KB	Output is correct
10	Correct	35 ms	492 KB	Output is correct
11	Correct	1 ms	492 KB	Output is correct
12	Correct	1 ms	492 KB	Output is correct
13	Correct	1 ms	492 KB	Output is correct
14	Correct	1 ms	492 KB	Output is correct
15	Correct	1 ms	492 KB	Output is correct
16	Correct	1 ms	492 KB	Output is correct
17	Correct	1 ms	492 KB	Output is correct
18	Correct	1 ms	492 KB	Output is correct
19	Correct	1 ms	492 KB	Output is correct
20	Correct	1 ms	492 KB	Output is correct
21	Correct	1 ms	492 KB	Output is correct
22	Correct	1 ms	492 KB	Output is correct
23	Correct	1 ms	492 KB	Output is correct
24	Correct	1 ms	492 KB	Output is correct
25	Correct	1 ms	492 KB	Output is correct
26	Correct	1 ms	492 KB	Output is correct
27	Correct	3 ms	492 KB	Output is correct
28	Correct	5 ms	492 KB	Output is correct
29	Correct	4 ms	492 KB	Output is correct
30	Correct	1 ms	492 KB	Output is correct
31	Correct	5 ms	492 KB	Output is correct
32	Correct	64 ms	548 KB	Output is correct
33	Correct	3 ms	512 KB	Output is correct
34	Correct	5 ms	492 KB	Output is correct
35	Correct	5 ms	492 KB	Output is correct
36	Correct	12 ms	492 KB	Output is correct
37	Correct	26 ms	492 KB	Output is correct
38	Correct	36 ms	492 KB	Output is correct
39	Correct	35 ms	492 KB	Output is correct
40	Correct	2 ms	492 KB	Output is correct
41	Correct	31 ms	492 KB	Output is correct
42	Correct	37 ms	620 KB	Output is correct
43	Correct	2 ms	492 KB	Output is correct
44	Correct	4 ms	492 KB	Output is correct
45	Correct	8 ms	492 KB	Output is correct
46	Correct	11 ms	492 KB	Output is correct
47	Correct	10 ms	492 KB	Output is correct
48	Correct	1 ms	492 KB	Output is correct
49	Correct	14 ms	620 KB	Output is correct
50	Correct	14 ms	512 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	9 ms	364 KB	Output is correct
53	Correct	9 ms	364 KB	Output is correct
54	Correct	34 ms	492 KB	Output is correct
55	Correct	24 ms	492 KB	Output is correct
56	Correct	56 ms	492 KB	Output is correct
57	Correct	51 ms	560 KB	Output is correct
58	Correct	63 ms	492 KB	Output is correct
59	Correct	87 ms	492 KB	Output is correct
60	Correct	65 ms	564 KB	Output is correct
61	Correct	1 ms	384 KB	Output is correct
62	Correct	11 ms	492 KB	Output is correct
63	Correct	34 ms	492 KB	Output is correct
64	Correct	15 ms	492 KB	Output is correct
65	Correct	27 ms	492 KB	Output is correct
66	Correct	39 ms	492 KB	Output is correct
67	Correct	52 ms	492 KB	Output is correct
68	Correct	123 ms	492 KB	Output is correct
69	Correct	49 ms	492 KB	Output is correct

답안 #332988

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 21.0 / 21.0

Subtask #4 25.0 / 25.0

Subtask #5 29.0 / 29.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
21.0 / 21.0

Subtask #4
25.0 / 25.0

Subtask #5
29.0 / 29.0