oj.uz

답안 #336794

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
336794 2020-12-16T20:32:32 Z super_j6 유괴 2 (JOI17_abduction2) C++14
44 / 100
 130 ms 33260 KB 
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <array>
#include <unordered_map>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<int, int>
#define f first
#define s second
 
typedef array<int, 2> T;
 
T operator+(T x, T y){
	return {x[0] + y[0], x[1] + y[1]};
}

T operator*(int x, T y){
	return {x * y[0], x * y[1]};
}
 
const int mxn = 50000, m = __lg(mxn - 1) + 1, k = 4;
const T d[k] = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};
int n[2], q;
int a[2][m][mxn];
unordered_map<int, int> dp[k][mxn];
 
int sol(T x, int y){
	int ret = 0, s = 0;
	for(int i = m - 1; ~i; i--){
		T p = x + (1 << i) * d[y];
		if(p[y & 1] >= -1 && p[y & 1] <= n[y & 1] && a[!(y & 1)][0][x[!(y & 1)]] > 
		a[y & 1][i][y & 2 ? p[y & 1] + 1 : x[y & 1]]){
			x = p, s += (1 << i);
		}
	}
	if(x[y & 1] < 0 || x[y & 1] >= n[y & 1]) return s;
	if(dp[y][x[0]].count(x[1])) return dp[y][x[0]][x[1]] + s;
	for(int i = 0; i < 2; i++){
		int z = (y + 2 * i + 1) % k;
		ret = max(ret, sol(x + d[z], z));
	}
	dp[y][x[0]][x[1]] = ++ret;
	return ret + s;
}
 
int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n[0] >> n[1] >> q;
	
	for(int i = 0; i < 2; i++){
		for(int j = 0; j < n[i]; j++){
			cin >> a[i][0][j];
		}
		for(int j = 1; j < m; j++)
		for(int l = 0; l + (1 << j) <= n[i]; l++){
			a[i][j][l] = max(a[i][j - 1][l], a[i][j - 1][l + (1 << (j - 1))]);
		}
	}
	
	while(q--){
		T x;
		for(int i = 0; i < 2; i++) cin >> x[i], x[i]--;
		int ret = 0;
		for(int i = 0; i < k; i++) ret = max(ret, sol(x + d[i], i));
		cout << ret << endl;
	}
 
	return 0;
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 11372 KB Output is correct
2 Correct 8 ms 11372 KB Output is correct
3 Correct 8 ms 11392 KB Output is correct
4 Correct 9 ms 11384 KB Output is correct
5 Correct 9 ms 11392 KB Output is correct
6 Correct 8 ms 11372 KB Output is correct
7 Correct 9 ms 11372 KB Output is correct
8 Correct 10 ms 11372 KB Output is correct
9 Correct 9 ms 11392 KB Output is correct
10 Correct 8 ms 11372 KB Output is correct
11 Correct 8 ms 11372 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 11372 KB Output is correct
2 Correct 8 ms 11372 KB Output is correct
3 Correct 8 ms 11392 KB Output is correct
4 Correct 9 ms 11384 KB Output is correct
5 Correct 9 ms 11392 KB Output is correct
6 Correct 8 ms 11372 KB Output is correct
7 Correct 9 ms 11372 KB Output is correct
8 Correct 10 ms 11372 KB Output is correct
9 Correct 9 ms 11392 KB Output is correct
10 Correct 8 ms 11372 KB Output is correct
11 Correct 8 ms 11372 KB Output is correct
12 Correct 9 ms 11500 KB Output is correct
13 Correct 9 ms 11500 KB Output is correct
14 Correct 10 ms 11500 KB Output is correct
15 Correct 11 ms 11500 KB Output is correct
16 Correct 9 ms 11500 KB Output is correct
17 Correct 9 ms 11500 KB Output is correct
18 Correct 9 ms 11628 KB Output is correct
19 Correct 10 ms 11756 KB Output is correct
20 Correct 11 ms 11884 KB Output is correct
21 Correct 10 ms 11756 KB Output is correct
22 Correct 12 ms 12140 KB Output is correct

Subtask #3
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 11372 KB Output is correct
2 Correct 8 ms 11372 KB Output is correct
3 Correct 8 ms 11392 KB Output is correct
4 Correct 9 ms 11384 KB Output is correct
5 Correct 9 ms 11392 KB Output is correct
6 Correct 8 ms 11372 KB Output is correct
7 Correct 9 ms 11372 KB Output is correct
8 Correct 10 ms 11372 KB Output is correct
9 Correct 9 ms 11392 KB Output is correct
10 Correct 8 ms 11372 KB Output is correct
11 Correct 8 ms 11372 KB Output is correct
12 Correct 9 ms 11500 KB Output is correct
13 Correct 9 ms 11500 KB Output is correct
14 Correct 10 ms 11500 KB Output is correct
15 Correct 11 ms 11500 KB Output is correct
16 Correct 9 ms 11500 KB Output is correct
17 Correct 9 ms 11500 KB Output is correct
18 Correct 9 ms 11628 KB Output is correct
19 Correct 10 ms 11756 KB Output is correct
20 Correct 11 ms 11884 KB Output is correct
21 Correct 10 ms 11756 KB Output is correct
22 Correct 12 ms 12140 KB Output is correct
23 Correct 24 ms 17004 KB Output is correct
24 Correct 24 ms 17152 KB Output is correct
25 Correct 24 ms 17132 KB Output is correct
26 Correct 23 ms 17132 KB Output is correct
27 Correct 24 ms 17132 KB Output is correct
28 Correct 40 ms 22252 KB Output is correct
29 Correct 26 ms 17772 KB Output is correct
30 Correct 67 ms 23020 KB Output is correct
31 Correct 81 ms 25836 KB Output is correct
32 Correct 27 ms 18412 KB Output is correct
33 Correct 36 ms 20460 KB Output is correct

Subtask #4
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 11628 KB Output is correct
2 Correct 12 ms 11628 KB Output is correct
3 Correct 11 ms 11628 KB Output is correct
4 Correct 10 ms 11628 KB Output is correct
5 Correct 11 ms 11628 KB Output is correct
6 Correct 10 ms 11756 KB Output is correct
7 Correct 10 ms 11756 KB Output is correct
8 Correct 14 ms 12012 KB Output is correct
9 Correct 12 ms 12012 KB Output is correct
10 Correct 12 ms 11884 KB Output is correct
11 Correct 13 ms 12012 KB Output is correct

Subtask #5
0 / 56.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 11372 KB Output is correct
2 Correct 8 ms 11372 KB Output is correct
3 Correct 8 ms 11392 KB Output is correct
4 Correct 9 ms 11384 KB Output is correct
5 Correct 9 ms 11392 KB Output is correct
6 Correct 8 ms 11372 KB Output is correct
7 Correct 9 ms 11372 KB Output is correct
8 Correct 10 ms 11372 KB Output is correct
9 Correct 9 ms 11392 KB Output is correct
10 Correct 8 ms 11372 KB Output is correct
11 Correct 8 ms 11372 KB Output is correct
12 Correct 9 ms 11500 KB Output is correct
13 Correct 9 ms 11500 KB Output is correct
14 Correct 10 ms 11500 KB Output is correct
15 Correct 11 ms 11500 KB Output is correct
16 Correct 9 ms 11500 KB Output is correct
17 Correct 9 ms 11500 KB Output is correct
18 Correct 9 ms 11628 KB Output is correct
19 Correct 10 ms 11756 KB Output is correct
20 Correct 11 ms 11884 KB Output is correct
21 Correct 10 ms 11756 KB Output is correct
22 Correct 12 ms 12140 KB Output is correct
23 Correct 24 ms 17004 KB Output is correct
24 Correct 24 ms 17152 KB Output is correct
25 Correct 24 ms 17132 KB Output is correct
26 Correct 23 ms 17132 KB Output is correct
27 Correct 24 ms 17132 KB Output is correct
28 Correct 40 ms 22252 KB Output is correct
29 Correct 26 ms 17772 KB Output is correct
30 Correct 67 ms 23020 KB Output is correct
31 Correct 81 ms 25836 KB Output is correct
32 Correct 27 ms 18412 KB Output is correct
33 Correct 36 ms 20460 KB Output is correct
34 Correct 10 ms 11628 KB Output is correct
35 Correct 12 ms 11628 KB Output is correct
36 Correct 11 ms 11628 KB Output is correct
37 Correct 10 ms 11628 KB Output is correct
38 Correct 11 ms 11628 KB Output is correct
39 Correct 10 ms 11756 KB Output is correct
40 Correct 10 ms 11756 KB Output is correct
41 Correct 14 ms 12012 KB Output is correct
42 Correct 12 ms 12012 KB Output is correct
43 Correct 12 ms 11884 KB Output is correct
44 Correct 13 ms 12012 KB Output is correct
45 Correct 28 ms 18304 KB Output is correct
46 Correct 28 ms 18284 KB Output is correct
47 Correct 30 ms 18284 KB Output is correct
48 Correct 40 ms 18284 KB Output is correct
49 Correct 28 ms 18284 KB Output is correct
50 Correct 56 ms 22636 KB Output is correct
51 Correct 47 ms 23276 KB Output is correct
52 Correct 111 ms 27628 KB Output is correct
53 Correct 106 ms 27116 KB Output is correct
54 Correct 101 ms 26732 KB Output is correct
55 Incorrect 130 ms 33260 KB Output isn't correct
56 Halted 0 ms 0 KB -