oj.uz

답안 #336780

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
336780 2020-12-16T19:10:51 Z super_j6 유괴 2 (JOI17_abduction2) C++14
27 / 100
 5000 ms 346092 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]};
}
 
const int mxn = 50000, k = 4, w = 3;
const T d[k] = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};
int n[2], q;
int a[2][mxn];
unordered_map<ll, int> dp[k];
 
int sol(T x, int y){
	for(int i = 0; i < 2; i++) if(x[i] < 0 || x[i] >= n[i]) return 0;
	ll f = (ll)x[0] * mxn + x[1];
	int ret = 0;
	if(dp[y].count(f)){
		ret = dp[y][f];
	} else if(a[!(y & 1)][x[!(y & 1)]] > a[y & 1][x[y & 1]]){
		ret = sol(x + d[y], y);
		if(!(x[0] + x[1]) % w) dp[y][f] = ret;
	}else{
		for(int i = 0; i < 2; i++){
			int z = (y + 2 * i + 1) % k;
			ret = max(ret, sol(x + d[z], z));
		}
		dp[y][f] = ret;
	}
	return ++ret;
}
 
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][j];
	}
	
	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 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 620 KB Output is correct
13 Correct 1 ms 620 KB Output is correct
14 Correct 1 ms 620 KB Output is correct
15 Correct 1 ms 620 KB Output is correct
16 Correct 1 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 9 ms 748 KB Output is correct
19 Correct 153 ms 90988 KB Output is correct
20 Correct 195 ms 113516 KB Output is correct
21 Correct 171 ms 106112 KB Output is correct
22 Correct 364 ms 346092 KB Output is correct

Subtask #3
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 620 KB Output is correct
13 Correct 1 ms 620 KB Output is correct
14 Correct 1 ms 620 KB Output is correct
15 Correct 1 ms 620 KB Output is correct
16 Correct 1 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 9 ms 748 KB Output is correct
19 Correct 153 ms 90988 KB Output is correct
20 Correct 195 ms 113516 KB Output is correct
21 Correct 171 ms 106112 KB Output is correct
22 Correct 364 ms 346092 KB Output is correct
23 Correct 21 ms 5996 KB Output is correct
24 Correct 27 ms 8172 KB Output is correct
25 Correct 24 ms 7020 KB Output is correct
26 Correct 30 ms 12396 KB Output is correct
27 Correct 19 ms 7276 KB Output is correct
28 Execution timed out 5099 ms 9452 KB Time limit exceeded
29 Halted 0 ms 0 KB -

Subtask #4
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 17 ms 748 KB Output is correct
2 Correct 15 ms 748 KB Output is correct
3 Correct 15 ms 748 KB Output is correct
4 Correct 17 ms 876 KB Output is correct
5 Correct 16 ms 876 KB Output is correct
6 Correct 50 ms 876 KB Output is correct
7 Correct 49 ms 876 KB Output is correct
8 Correct 252 ms 101208 KB Output is correct
9 Correct 248 ms 119096 KB Output is correct
10 Correct 252 ms 87196 KB Output is correct
11 Correct 352 ms 152428 KB Output is correct

Subtask #5
0 / 56.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 620 KB Output is correct
13 Correct 1 ms 620 KB Output is correct
14 Correct 1 ms 620 KB Output is correct
15 Correct 1 ms 620 KB Output is correct
16 Correct 1 ms 620 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 9 ms 748 KB Output is correct
19 Correct 153 ms 90988 KB Output is correct
20 Correct 195 ms 113516 KB Output is correct
21 Correct 171 ms 106112 KB Output is correct
22 Correct 364 ms 346092 KB Output is correct
23 Correct 21 ms 5996 KB Output is correct
24 Correct 27 ms 8172 KB Output is correct
25 Correct 24 ms 7020 KB Output is correct
26 Correct 30 ms 12396 KB Output is correct
27 Correct 19 ms 7276 KB Output is correct
28 Execution timed out 5099 ms 9452 KB Time limit exceeded
29 Halted 0 ms 0 KB -