oj.uz

Submission #224440

# Submission time Handle Problem Language Result Execution time Memory
224440 2020-04-17T22:51:43 Z kshitij_sodani Chameleon's Love (JOI20_chameleon) C++17
0 / 100
 5 ms 384 KB 
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
#define a first
#define b second
#define pb push_back
#include "chameleon.h"
/*int Query(vector<int> cc){
	for(auto nn:cc){
		cout<<nn<<",";
	}
	cout<<endl;
	int xx;
	cin>>xx;
	return xx;
}
void Answer(int ac,int cd){
	cout<<ac<<" "<<cd<<endl;
}*/

void Solve(int n){
	int vis[2*n];
	for(int i=0;i<2*n;i++){
		vis[2*n]=0;
	}
	vector<pair<int,int>> kk;
	for(int i=0;i<2*n;i++){
		if(vis[i]==0){
			vector<int> aa;
			for(int j=0;j<2*n;j++){
				if(i==j){
					continue;
				}
				int x=Query({i+1,j+1});
				if(x==1){
					aa.pb(j+1);
				}
			}

			if(aa.size()==1){
				vis[i]=1;
				vis[aa[0]-1]=1;

				kk.pb({i+1,aa[0]});
			}
			else{
				vector<int> cc;
				for(int j=0;j<2;j++){
					for(int k=j+1;k<3;k++){
						if(Query({i+1,aa[j],aa[k]})==1){
							//aa.clear();
							cc={aa[j],aa[k]};
						}
					}
				}
				aa=cc;
				vector<int> bb;
				for(int j=0;j<2*n;j++){
					if(j!=i and j!=aa[0]-1){
						bb.pb(j+1);
					}
				}
				int x=Query(bb);
				if(x==n){
					vis[i]=1;
					vis[aa[1]-1]=1;
					kk.pb({i+1,aa[1]});
				}
				else{
					vis[i]=1;
					vis[aa[0]-1]=1;
					kk.pb({i+1,aa[0]});
				}
			}
		}
	}
	if(kk.size()>n){
		while(true){
			continue;
		}
	}
	for(auto nn:kk){
		Answer(nn.a,nn.b);
	}
}
/*int main(){
	Solve(3);
	return 0;
}
*/

Compilation message

chameleon.cpp: In function 'void Solve(int)':
chameleon.cpp:77:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(kk.size()>n){
     ~~~~~~~~~^~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB Wrong Answer [7]
3 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB Wrong Answer [7]
3 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB Wrong Answer [7]
3 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Incorrect 4 ms 384 KB Wrong Answer [7]
3 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Incorrect 5 ms 384 KB Wrong Answer [7]
3 Halted 0 ms 0 KB -