oj.uz

Submission #336775

# Submission time Handle Problem Language Result Execution time Memory
336775 2020-12-16T19:03:40 Z super_j6 Abduction 2 (JOI17_abduction2) C++14
17 / 100
 1389 ms 524288 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;
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];
	if(dp[y].count(f)) return dp[y][f];
	int ret = 0;
	if(a[!(y & 1)][x[!(y & 1)]] > a[y & 1][x[y & 1]]){
		ret = sol(x + d[y], y);
	}else{
		for(int i = 0; i < 2; i++){
			int z = (y + 2 * i + 1) % k;
			ret = max(ret, sol(x + d[z], z));
		}
	}
	return dp[y][f] = ++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

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 2 ms 748 KB Output is correct
13 Correct 2 ms 876 KB Output is correct
14 Correct 2 ms 876 KB Output is correct
15 Correct 2 ms 876 KB Output is correct
16 Correct 2 ms 876 KB Output is correct
17 Correct 11 ms 3832 KB Output is correct
18 Correct 87 ms 26972 KB Output is correct
19 Correct 621 ms 227988 KB Output is correct
20 Correct 813 ms 312504 KB Output is correct
21 Correct 635 ms 254080 KB Output is correct
22 Runtime error 788 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 2 ms 748 KB Output is correct
13 Correct 2 ms 876 KB Output is correct
14 Correct 2 ms 876 KB Output is correct
15 Correct 2 ms 876 KB Output is correct
16 Correct 2 ms 876 KB Output is correct
17 Correct 11 ms 3832 KB Output is correct
18 Correct 87 ms 26972 KB Output is correct
19 Correct 621 ms 227988 KB Output is correct
20 Correct 813 ms 312504 KB Output is correct
21 Correct 635 ms 254080 KB Output is correct
22 Runtime error 788 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)

Subtask #4
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 6940 KB Output is correct
2 Correct 19 ms 6008 KB Output is correct
3 Correct 21 ms 6276 KB Output is correct
4 Correct 23 ms 7056 KB Output is correct
5 Correct 20 ms 6404 KB Output is correct
6 Correct 343 ms 89860 KB Output is correct
7 Correct 346 ms 90160 KB Output is correct
8 Correct 968 ms 333124 KB Output is correct
9 Correct 973 ms 345660 KB Output is correct
10 Correct 946 ms 311364 KB Output is correct
11 Correct 1389 ms 468932 KB Output is correct

Subtask #5
0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 2 ms 748 KB Output is correct
13 Correct 2 ms 876 KB Output is correct
14 Correct 2 ms 876 KB Output is correct
15 Correct 2 ms 876 KB Output is correct
16 Correct 2 ms 876 KB Output is correct
17 Correct 11 ms 3832 KB Output is correct
18 Correct 87 ms 26972 KB Output is correct
19 Correct 621 ms 227988 KB Output is correct
20 Correct 813 ms 312504 KB Output is correct
21 Correct 635 ms 254080 KB Output is correct
22 Runtime error 788 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)