Submission #201201

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
201201	2020-02-09T18:58:06 Z	maruii	Abduction 2 (JOI17_abduction2)	C++14	44 / 100	98 ms	11768 KB

abduction2

#include <bits/stdc++.h>
using namespace std;
 
int H, W, Q;
int A[50005], B[50005];
int pfa[50005], sfa[50005], pfb[50005], sfb[50005];
map<tuple<int, int, int>, long long> D;
 
const int SIZE = 1 << 16;
struct ST {
	int A[2 * SIZE];
	vector<int> a, b;
	void update(int x, int v) {
		for (x += SIZE; x; x >>= 1) A[x] = max(A[x], v);
	}
	int query(int o, int s, int e, int v) {
		a.clear(), b.clear();
		for (s += SIZE, e += SIZE; s <= e; s >>=1, e >>= 1) {
			if ( s & 1) a.push_back(s), ++s;
			if (~e & 1) b.push_back(e), --e;
		}
		a.insert(a.end(), b.rbegin(), b.rend());
		if (!o) reverse(a.begin(), a.end());
		for (auto i : a) if (A[i] > v) {
			while (i < SIZE) {
				i <<= 1;
				if (o == 1) { if (A[i] < v) i |= 1; }
				else if (A[i | 1] > v) i |= 1;
			}
			return i - SIZE;
		}
		return 0;
	}
} a, b;
 
long long f(int x, int y, int d) {
	if (!x || !y) return -1e18;
	long long &ret = D[{x, y, d}];
	if (ret) return ret;
	if (d == 0) {
		if (max(pfa[x - 1], sfa[x + 1]) < B[y]) return ret = max(x - 1, H - x);
		int p, q;
		if (sfa[x + 1] < B[y]) p = 0;
		else p = a.query(1, x + 1, H, B[y]);
		if (pfa[x - 1] < B[y]) q = 0;
		else q = a.query(0, 1, x - 1, B[y]);
		return ret = max(abs(x - p) + f(p, y, 1), abs(x - q) + f(q, y, 1));
	}
	else {
		if (max(pfb[y - 1], sfb[y + 1]) < A[x]) return ret = max(y - 1, W - y);
		int p, q;
		if (sfb[y + 1] < A[x]) p = 0;
		else p = b.query(1, y + 1, W, A[x]);
		if (pfb[y - 1] < A[x]) q = 0;
		else q = b.query(0, 1, y - 1, A[x]);
		return ret = max(abs(y - p) + f(x, p, 0), abs(y - q) + f(x, q, 0));
	}
}
 
int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> H >> W >> Q;
	for (int i = 1; i <= H; ++i) cin >> A[i], a.update(i, A[i]);
	for (int i = 1; i <= W; ++i) cin >> B[i], b.update(i, B[i]);
	for (int i = 1; i <= H; ++i) pfa[i] = max(pfa[i - 1], A[i]);
	for (int i = 1; i <= W; ++i) pfb[i] = max(pfb[i - 1], B[i]);
	for (int i = H; i; --i) sfa[i] = max(sfa[i + 1], A[i]);
	for (int i = W; i; --i) sfb[i] = max(sfb[i + 1], B[i]);
	for (int i = 0; i < Q; ++i) {
		int x, y; cin >> x >> y;
		printf("%lld\n", max(f(x, y, 0), f(x, y, 1)));
	}
	return 0;
}

Subtask #1
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	380 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	504 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	504 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	380 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	504 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	504 KB	Output is correct
12	Correct	6 ms	504 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	6 ms	504 KB	Output is correct
15	Correct	6 ms	504 KB	Output is correct
16	Correct	6 ms	504 KB	Output is correct
17	Correct	5 ms	504 KB	Output is correct
18	Correct	5 ms	632 KB	Output is correct
19	Correct	7 ms	760 KB	Output is correct
20	Correct	8 ms	892 KB	Output is correct
21	Correct	7 ms	760 KB	Output is correct
22	Correct	9 ms	1144 KB	Output is correct

Subtask #3
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	380 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	504 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	504 KB	Output is correct
12	Correct	6 ms	504 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	6 ms	504 KB	Output is correct
15	Correct	6 ms	504 KB	Output is correct
16	Correct	6 ms	504 KB	Output is correct
17	Correct	5 ms	504 KB	Output is correct
18	Correct	5 ms	632 KB	Output is correct
19	Correct	7 ms	760 KB	Output is correct
20	Correct	8 ms	892 KB	Output is correct
21	Correct	7 ms	760 KB	Output is correct
22	Correct	9 ms	1144 KB	Output is correct
23	Correct	23 ms	2296 KB	Output is correct
24	Correct	23 ms	2296 KB	Output is correct
25	Correct	23 ms	2296 KB	Output is correct
26	Correct	24 ms	2296 KB	Output is correct
27	Correct	22 ms	2296 KB	Output is correct
28	Correct	38 ms	9592 KB	Output is correct
29	Correct	24 ms	3320 KB	Output is correct
30	Correct	80 ms	9720 KB	Output is correct
31	Correct	98 ms	11768 KB	Output is correct
32	Correct	25 ms	2680 KB	Output is correct
33	Correct	37 ms	4728 KB	Output is correct

Subtask #4
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	636 KB	Output is correct
2	Correct	8 ms	632 KB	Output is correct
3	Correct	8 ms	636 KB	Output is correct
4	Correct	7 ms	632 KB	Output is correct
5	Correct	7 ms	632 KB	Output is correct
6	Correct	7 ms	888 KB	Output is correct
7	Correct	7 ms	760 KB	Output is correct
8	Correct	10 ms	1016 KB	Output is correct
9	Correct	11 ms	1016 KB	Output is correct
10	Correct	9 ms	1016 KB	Output is correct
11	Correct	10 ms	1144 KB	Output is correct

Subtask #5
0 / 56.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	380 KB	Output is correct
3	Correct	5 ms	504 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	504 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	504 KB	Output is correct
12	Correct	6 ms	504 KB	Output is correct
13	Correct	5 ms	376 KB	Output is correct
14	Correct	6 ms	504 KB	Output is correct
15	Correct	6 ms	504 KB	Output is correct
16	Correct	6 ms	504 KB	Output is correct
17	Correct	5 ms	504 KB	Output is correct
18	Correct	5 ms	632 KB	Output is correct
19	Correct	7 ms	760 KB	Output is correct
20	Correct	8 ms	892 KB	Output is correct
21	Correct	7 ms	760 KB	Output is correct
22	Correct	9 ms	1144 KB	Output is correct
23	Correct	23 ms	2296 KB	Output is correct
24	Correct	23 ms	2296 KB	Output is correct
25	Correct	23 ms	2296 KB	Output is correct
26	Correct	24 ms	2296 KB	Output is correct
27	Correct	22 ms	2296 KB	Output is correct
28	Correct	38 ms	9592 KB	Output is correct
29	Correct	24 ms	3320 KB	Output is correct
30	Correct	80 ms	9720 KB	Output is correct
31	Correct	98 ms	11768 KB	Output is correct
32	Correct	25 ms	2680 KB	Output is correct
33	Correct	37 ms	4728 KB	Output is correct
34	Correct	7 ms	636 KB	Output is correct
35	Correct	8 ms	632 KB	Output is correct
36	Correct	8 ms	636 KB	Output is correct
37	Correct	7 ms	632 KB	Output is correct
38	Correct	7 ms	632 KB	Output is correct
39	Correct	7 ms	888 KB	Output is correct
40	Correct	7 ms	760 KB	Output is correct
41	Correct	10 ms	1016 KB	Output is correct
42	Correct	11 ms	1016 KB	Output is correct
43	Correct	9 ms	1016 KB	Output is correct
44	Correct	10 ms	1144 KB	Output is correct
45	Correct	26 ms	2680 KB	Output is correct
46	Correct	25 ms	2680 KB	Output is correct
47	Correct	26 ms	2680 KB	Output is correct
48	Incorrect	26 ms	2680 KB	Output isn't correct
49	Halted	0 ms	0 KB	-

Submission #201201

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 10.0 / 10.0

Subtask #3 17.0 / 17.0

Subtask #4 4.0 / 4.0

Subtask #5 0 / 56.0

Subtask #1
13.0 / 13.0

Subtask #2
10.0 / 10.0

Subtask #3
17.0 / 17.0

Subtask #4
4.0 / 4.0

Subtask #5
0 / 56.0