oj.uz

Submission #908593

# Submission time Handle Problem Language Result Execution time Memory
908593 2024-01-16T14:49:23 Z amirhoseinfar1385 Chameleon's Love (JOI20_chameleon) C++17
100 / 100
 42 ms 852 KB 
#include "chameleon.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=1000+10;
int n,val[maxn];
vector<int>adj[maxn];
map<pair<int,int>,int>mp;
vector<int>allm[4];
bool check(vector<int>now,int u){
	now.push_back(u);
	if((int)now.size()==0){
		return 0;
	}
	int res=Query(now);
	if(res==(int)now.size()){
		return 0;
	}
	return 1;
}

void createmos(){
	for(int i=1;i<=2*n;i++){
		while(check(allm[val[i]],i)){
			val[i]++;
		}
		allm[val[i]].push_back(i);
	}
}


int findz(vector<int>now,int u){
//	cout<<(int)now.size()<<" "<<u<<endl;
	if((int)now.size()==1){
		return now[0];
	}
	int m=(int)now.size();
	m>>=1;
	vector<int>left,right;
	for(int i=0;i<m;i++){
		left.push_back(now[i]);
	}
	for(int i=m;i<(int)now.size();i++){
		right.push_back(now[i]);
	}
	if(check(left,u)){
		return findz(left,u);
	}
	return findz(right,u);
}

void finde(){
	for(int i=1;i<=2*n;i++){
		for(int j=0;j<4;j++){
			if(j==val[i]){
				continue;
			}
			vector<int>tof=allm[j];
			sort(tof.begin(),tof.end());
			for(auto x:adj[i]){
				int p=lower_bound(tof.begin(),tof.end(),x)-tof.begin();
				if(p!=(int)tof.size()&&tof[p]==x){
					tof.erase(tof.begin()+p);
				}
			}
			while((int)adj[i].size()<3&&check(tof,i)){
				int res=findz(tof,i);
				int p=lower_bound(tof.begin(),tof.end(),res)-tof.begin();
				tof.erase(tof.begin()+p);
				adj[i].push_back(res);
				adj[res].push_back(i);
				mp[make_pair(min(i,res),max(i,res))]=1;
			}
		}
	}
}

void Solve(int N) {
  n=N;
  createmos();
  finde();
  for(int i=1;i<=2*n;i++){
  	if(adj[i].size()==3){
  		int res=Query({i,adj[i][0],adj[i][1]});
  		if(res==1){
  			mp[make_pair(min(i,adj[i][2]),max(i,adj[i][2]))]=0;
  		}
  		res=Query({i,adj[i][0],adj[i][2]});
  		if(res==1){
  			mp[make_pair(min(i,adj[i][1]),max(i,adj[i][1]))]=0;
  		}
  		res=Query({i,adj[i][2],adj[i][1]});
  		if(res==1){
  			mp[make_pair(min(i,adj[i][0]),max(i,adj[i][0]))]=0;
  		}
  	}
  }
  for(auto x:mp){
  	if(x.second==1){
  	//	cout<<x.first.first<<" "<<x.first.second<<endl;
  		Answer(x.first.first,x.first.second);
  	}
  }
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 19 ms 540 KB Output is correct
4 Correct 20 ms 600 KB Output is correct
5 Correct 19 ms 344 KB Output is correct
6 Correct 19 ms 344 KB Output is correct
7 Correct 19 ms 344 KB Output is correct
8 Correct 19 ms 344 KB Output is correct
9 Correct 20 ms 576 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 484 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 340 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 540 KB Output is correct
3 Correct 31 ms 852 KB Output is correct
4 Correct 31 ms 652 KB Output is correct
5 Correct 32 ms 600 KB Output is correct
6 Correct 31 ms 588 KB Output is correct
7 Correct 31 ms 600 KB Output is correct
8 Correct 32 ms 600 KB Output is correct
9 Correct 32 ms 600 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 19 ms 540 KB Output is correct
4 Correct 20 ms 600 KB Output is correct
5 Correct 19 ms 344 KB Output is correct
6 Correct 19 ms 344 KB Output is correct
7 Correct 19 ms 344 KB Output is correct
8 Correct 19 ms 344 KB Output is correct
9 Correct 20 ms 576 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 484 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 540 KB Output is correct
30 Correct 31 ms 852 KB Output is correct
31 Correct 31 ms 652 KB Output is correct
32 Correct 32 ms 600 KB Output is correct
33 Correct 31 ms 588 KB Output is correct
34 Correct 31 ms 600 KB Output is correct
35 Correct 32 ms 600 KB Output is correct
36 Correct 32 ms 600 KB Output is correct
37 Correct 34 ms 600 KB Output is correct
38 Correct 20 ms 344 KB Output is correct
39 Correct 35 ms 600 KB Output is correct
40 Correct 35 ms 588 KB Output is correct
41 Correct 35 ms 600 KB Output is correct
42 Correct 20 ms 344 KB Output is correct
43 Correct 35 ms 600 KB Output is correct
44 Correct 42 ms 600 KB Output is correct
45 Correct 34 ms 600 KB Output is correct