Submission #201202

# Submission time Handle Problem Language Result Execution time Memory
201202 2020-02-09T19:17:45 Z maruii Abduction 2 (JOI17_abduction2) C++14
44 / 100
119 ms 11744 KB
#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 -1e13;
	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;
}
# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 248 KB Output is correct
6 Correct 5 ms 504 KB Output is correct
7 Correct 5 ms 552 KB Output is correct
8 Correct 5 ms 504 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 248 KB Output is correct
6 Correct 5 ms 504 KB Output is correct
7 Correct 5 ms 552 KB Output is correct
8 Correct 5 ms 504 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 504 KB Output is correct
13 Correct 6 ms 504 KB Output is correct
14 Correct 5 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 504 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 8 ms 888 KB Output is correct
21 Correct 7 ms 888 KB Output is correct
22 Correct 9 ms 1016 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 248 KB Output is correct
6 Correct 5 ms 504 KB Output is correct
7 Correct 5 ms 552 KB Output is correct
8 Correct 5 ms 504 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 504 KB Output is correct
13 Correct 6 ms 504 KB Output is correct
14 Correct 5 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 504 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 8 ms 888 KB Output is correct
21 Correct 7 ms 888 KB Output is correct
22 Correct 9 ms 1016 KB Output is correct
23 Correct 26 ms 2424 KB Output is correct
24 Correct 25 ms 2424 KB Output is correct
25 Correct 24 ms 2424 KB Output is correct
26 Correct 22 ms 2296 KB Output is correct
27 Correct 22 ms 2296 KB Output is correct
28 Correct 38 ms 9464 KB Output is correct
29 Correct 24 ms 3320 KB Output is correct
30 Correct 82 ms 9592 KB Output is correct
31 Correct 119 ms 11744 KB Output is correct
32 Correct 25 ms 2680 KB Output is correct
33 Correct 37 ms 4728 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 7 ms 760 KB Output is correct
2 Correct 7 ms 632 KB Output is correct
3 Correct 7 ms 636 KB Output is correct
4 Correct 8 ms 632 KB Output is correct
5 Correct 8 ms 632 KB Output is correct
6 Correct 6 ms 888 KB Output is correct
7 Correct 6 ms 760 KB Output is correct
8 Correct 11 ms 1016 KB Output is correct
9 Correct 10 ms 1016 KB Output is correct
10 Correct 9 ms 1016 KB Output is correct
11 Correct 11 ms 1144 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 248 KB Output is correct
6 Correct 5 ms 504 KB Output is correct
7 Correct 5 ms 552 KB Output is correct
8 Correct 5 ms 504 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 504 KB Output is correct
13 Correct 6 ms 504 KB Output is correct
14 Correct 5 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 504 KB Output is correct
19 Correct 7 ms 760 KB Output is correct
20 Correct 8 ms 888 KB Output is correct
21 Correct 7 ms 888 KB Output is correct
22 Correct 9 ms 1016 KB Output is correct
23 Correct 26 ms 2424 KB Output is correct
24 Correct 25 ms 2424 KB Output is correct
25 Correct 24 ms 2424 KB Output is correct
26 Correct 22 ms 2296 KB Output is correct
27 Correct 22 ms 2296 KB Output is correct
28 Correct 38 ms 9464 KB Output is correct
29 Correct 24 ms 3320 KB Output is correct
30 Correct 82 ms 9592 KB Output is correct
31 Correct 119 ms 11744 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 760 KB Output is correct
35 Correct 7 ms 632 KB Output is correct
36 Correct 7 ms 636 KB Output is correct
37 Correct 8 ms 632 KB Output is correct
38 Correct 8 ms 632 KB Output is correct
39 Correct 6 ms 888 KB Output is correct
40 Correct 6 ms 760 KB Output is correct
41 Correct 11 ms 1016 KB Output is correct
42 Correct 10 ms 1016 KB Output is correct
43 Correct 9 ms 1016 KB Output is correct
44 Correct 11 ms 1144 KB Output is correct
45 Correct 29 ms 2680 KB Output is correct
46 Correct 27 ms 2680 KB Output is correct
47 Correct 27 ms 2680 KB Output is correct
48 Incorrect 27 ms 2680 KB Output isn't correct
49 Halted 0 ms 0 KB -