oj.uz

답안 #624788

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
624788 2022-08-08T18:09:12 Z CSQ31 유괴 2 (JOI17_abduction2) C++17
44 / 100
 54 ms 20616 KB 
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
typedef pair<int,int> pii;
const int MAXN = 5e4+5;
vector<int>a,b;
int h,w,q;
map<int,int>dp[2][MAXN];
int lg[MAXN];
struct spt{
	vector<int>a;
	vector<vector<int>>mx;
	int n;
	spt(){}
	spt(vector<int>_a){
		a = _a;
		n = a.size();
		mx.resize(20);
		for(int i=0;i<20;i++)mx[i].assign(n,-1e9);
		for(int i=0;i<n;i++)mx[0][i] = a[i];
		for(int i=1;i<20;i++){
			for(int j=0;j+(1<<i)-1<n;j++){
				mx[i][j] = max(mx[i-1][j],mx[i-1][j+(1<<(i-1))]);
			}
		}
	}
	int query(int l,int r){
		int v = lg[r-l+1];
		int res = max(mx[v][l],mx[v][r-(1<<v)+1]);
		return res;
	}
	void print(){
		for(int i=0;i<20;i++){
			for(int j=0;j+(1<<i)-1<n;j++)cout<<mx[i][j]<<" ";
			cout<<'\n';
		}
		
		
	}
}mw,mh;
int solve(int i,int j,int k){
	if(dp[k][i].find(j) != dp[k][i].end())return dp[k][i][j];
	if(!k){
		dp[0][i][j] = -1e9;
		int l = j+1,r = w-1;
		while(r>=l){
			int mid = (l+r)/2;
			if(mw.query(j+1,mid) > a[i])r=mid-1;
			else l = mid+1;
		}
		if(l<w)dp[0][i][j] = max(dp[0][i][j],solve(i,l,1) + l - j);
		l = 0;
		r = j-1;
		while(r>=l){
			int mid = (l+r)/2;
			if(mw.query(mid,j-1) > a[i])l = mid+1;
			else r = mid-1;
		}
		if(r>=0)dp[0][i][j] = max(dp[0][i][j],solve(i,r,1) + j - r);
		if(dp[0][i][j] == -1e9)dp[0][i][j] = max(w-1-j,j);
	}else{
		dp[1][i][j] = -1e9;
		int l = i+1,r = h-1;
		while(r>=l){
			int mid = (l+r)/2;
			if(mh.query(i+1,mid) > b[j])r=mid-1;
			else l = mid+1;
		}
		if(l>i && l<h)dp[1][i][j] = max(dp[1][i][j],solve(l,j,0) + l - i);
		l = 0;
		r = i-1;
		while(r>=l){
			int mid = (l+r)/2;
			if(mh.query(mid,i-1) > b[j])l = mid+1;
			else r = mid-1;
		}
		if(r>=0)dp[1][i][j] = max(dp[1][i][j],solve(r,j,0) + i - r);
		if(dp[1][i][j] == -1e9)dp[1][i][j] = max(h-1-i,i);
	}
	return dp[k][i][j];
}
int main()
{
	owo
	cin>>h>>w>>q;
	a.resize(h);
	b.resize(w);
	for(int i=0;i<h;i++)cin>>a[i];
	for(int i=0;i<w;i++)cin>>b[i];
	lg[1] = 0;
	for(int i=2;i<=50000;i++)lg[i] = lg[i/2]+1;
	mh = spt(a);
	mw = spt(b);
	//mh.print();
	//mw.print();
	while(q--){
		int i,j;
		cin>>i>>j;
		i--;
		j--;
		int ans = max(solve(i,j,0),solve(i,j,1));
		cout<<ans<<'\n';
	}
	
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5204 KB Output is correct
2 Correct 3 ms 5204 KB Output is correct
3 Correct 3 ms 5204 KB Output is correct
4 Correct 2 ms 5204 KB Output is correct
5 Correct 3 ms 5204 KB Output is correct
6 Correct 3 ms 5204 KB Output is correct
7 Correct 3 ms 5204 KB Output is correct
8 Correct 2 ms 5204 KB Output is correct
9 Correct 3 ms 5204 KB Output is correct
10 Correct 3 ms 5204 KB Output is correct
11 Correct 3 ms 5204 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5204 KB Output is correct
2 Correct 3 ms 5204 KB Output is correct
3 Correct 3 ms 5204 KB Output is correct
4 Correct 2 ms 5204 KB Output is correct
5 Correct 3 ms 5204 KB Output is correct
6 Correct 3 ms 5204 KB Output is correct
7 Correct 3 ms 5204 KB Output is correct
8 Correct 2 ms 5204 KB Output is correct
9 Correct 3 ms 5204 KB Output is correct
10 Correct 3 ms 5204 KB Output is correct
11 Correct 3 ms 5204 KB Output is correct
12 Correct 4 ms 5460 KB Output is correct
13 Correct 4 ms 5460 KB Output is correct
14 Correct 3 ms 5460 KB Output is correct
15 Correct 4 ms 5460 KB Output is correct
16 Correct 3 ms 5460 KB Output is correct
17 Correct 3 ms 5460 KB Output is correct
18 Correct 3 ms 5588 KB Output is correct
19 Correct 4 ms 5716 KB Output is correct
20 Correct 4 ms 5716 KB Output is correct
21 Correct 4 ms 5716 KB Output is correct
22 Correct 5 ms 5972 KB Output is correct

Subtask #3
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5204 KB Output is correct
2 Correct 3 ms 5204 KB Output is correct
3 Correct 3 ms 5204 KB Output is correct
4 Correct 2 ms 5204 KB Output is correct
5 Correct 3 ms 5204 KB Output is correct
6 Correct 3 ms 5204 KB Output is correct
7 Correct 3 ms 5204 KB Output is correct
8 Correct 2 ms 5204 KB Output is correct
9 Correct 3 ms 5204 KB Output is correct
10 Correct 3 ms 5204 KB Output is correct
11 Correct 3 ms 5204 KB Output is correct
12 Correct 4 ms 5460 KB Output is correct
13 Correct 4 ms 5460 KB Output is correct
14 Correct 3 ms 5460 KB Output is correct
15 Correct 4 ms 5460 KB Output is correct
16 Correct 3 ms 5460 KB Output is correct
17 Correct 3 ms 5460 KB Output is correct
18 Correct 3 ms 5588 KB Output is correct
19 Correct 4 ms 5716 KB Output is correct
20 Correct 4 ms 5716 KB Output is correct
21 Correct 4 ms 5716 KB Output is correct
22 Correct 5 ms 5972 KB Output is correct
23 Correct 20 ms 13932 KB Output is correct
24 Correct 17 ms 13940 KB Output is correct
25 Correct 18 ms 13976 KB Output is correct
26 Correct 25 ms 13956 KB Output is correct
27 Correct 17 ms 13932 KB Output is correct
28 Correct 29 ms 19032 KB Output is correct
29 Correct 22 ms 14480 KB Output is correct
30 Correct 54 ms 19084 KB Output is correct
31 Correct 47 ms 20616 KB Output is correct
32 Correct 19 ms 13932 KB Output is correct
33 Correct 22 ms 15484 KB Output is correct

Subtask #4
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5588 KB Output is correct
2 Correct 4 ms 5588 KB Output is correct
3 Correct 4 ms 5588 KB Output is correct
4 Correct 4 ms 5588 KB Output is correct
5 Correct 5 ms 5588 KB Output is correct
6 Correct 5 ms 5716 KB Output is correct
7 Correct 4 ms 5716 KB Output is correct
8 Correct 5 ms 5844 KB Output is correct
9 Correct 5 ms 5844 KB Output is correct
10 Correct 5 ms 5844 KB Output is correct
11 Correct 5 ms 5972 KB Output is correct

Subtask #5
0 / 56.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 5204 KB Output is correct
2 Correct 3 ms 5204 KB Output is correct
3 Correct 3 ms 5204 KB Output is correct
4 Correct 2 ms 5204 KB Output is correct
5 Correct 3 ms 5204 KB Output is correct
6 Correct 3 ms 5204 KB Output is correct
7 Correct 3 ms 5204 KB Output is correct
8 Correct 2 ms 5204 KB Output is correct
9 Correct 3 ms 5204 KB Output is correct
10 Correct 3 ms 5204 KB Output is correct
11 Correct 3 ms 5204 KB Output is correct
12 Correct 4 ms 5460 KB Output is correct
13 Correct 4 ms 5460 KB Output is correct
14 Correct 3 ms 5460 KB Output is correct
15 Correct 4 ms 5460 KB Output is correct
16 Correct 3 ms 5460 KB Output is correct
17 Correct 3 ms 5460 KB Output is correct
18 Correct 3 ms 5588 KB Output is correct
19 Correct 4 ms 5716 KB Output is correct
20 Correct 4 ms 5716 KB Output is correct
21 Correct 4 ms 5716 KB Output is correct
22 Correct 5 ms 5972 KB Output is correct
23 Correct 20 ms 13932 KB Output is correct
24 Correct 17 ms 13940 KB Output is correct
25 Correct 18 ms 13976 KB Output is correct
26 Correct 25 ms 13956 KB Output is correct
27 Correct 17 ms 13932 KB Output is correct
28 Correct 29 ms 19032 KB Output is correct
29 Correct 22 ms 14480 KB Output is correct
30 Correct 54 ms 19084 KB Output is correct
31 Correct 47 ms 20616 KB Output is correct
32 Correct 19 ms 13932 KB Output is correct
33 Correct 22 ms 15484 KB Output is correct
34 Correct 4 ms 5588 KB Output is correct
35 Correct 4 ms 5588 KB Output is correct
36 Correct 4 ms 5588 KB Output is correct
37 Correct 4 ms 5588 KB Output is correct
38 Correct 5 ms 5588 KB Output is correct
39 Correct 5 ms 5716 KB Output is correct
40 Correct 4 ms 5716 KB Output is correct
41 Correct 5 ms 5844 KB Output is correct
42 Correct 5 ms 5844 KB Output is correct
43 Correct 5 ms 5844 KB Output is correct
44 Correct 5 ms 5972 KB Output is correct
45 Correct 21 ms 14064 KB Output is correct
46 Correct 21 ms 14028 KB Output is correct
47 Correct 25 ms 14052 KB Output is correct
48 Incorrect 19 ms 14068 KB Output isn't correct
49 Halted 0 ms 0 KB -