제출 #212203

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
212203		shahadbalghonaim	카멜레온의 사랑 (JOI20_chameleon)	C++14	0 / 100	21 ms	512 KiB

chameleon

#include <bits/stdc++.h>
#include "chameleon.h"
//https://cms.ioi-jp.org/tasks/chameleon/descriptionusing namespace std;
using namespace std;

void Solve(int N){
    int n=N*2;
    vector<bool>solved(n+1,0);
    map<int,vector<int>>theval;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            if(i==j){continue;}
            if(Query({i,j})==1){theval[i].push_back(j);}
        }
    }
    map<int,vector<int>>graph;
    int haha=0;
    for(int i=1;i<=n;i++){
     if(solved[i]==1)continue;
     if(theval[i].size()==1){haha++;Answer(i,theval[i][0]);solved[i]=1;solved[theval[i][0]]=1;continue;}
     if(Query({i,theval[i][0],theval[i][1]})==1){graph[i].push_back(theval[i][2]);}
     else if(Query({i,theval[i][0],theval[i][2]})==1){graph[i].push_back(theval[i][1]);}
     else if(Query({i,theval[i][2],theval[i][1]})==1){graph[i].push_back(theval[i][0]);graph[theval[i][0]].push_back(i);}
     assert(haha<=N);

    }
    assert(haha<=N);
    for(int i=1;i<=n;i++){
        if(solved[i]==1){continue;}
        int a=graph[i][0],b=graph[i][1];
        for(int j=0;j<3;j++){
            if(theval[i][j]!=a&&theval[i][j]!=b){haha++;Answer(i,theval[i][j]);solved[i]=1;solved[theval[i][j]]=1;break;}
        }
        assert(haha<=N);
    }

}

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