Submission #101135

#TimeUsernameProblemLanguageResultExecution timeMemory
101135TAISA_도서관 (JOI18_library)C++14
0 / 100
532 ms408 KiB
#include<bits/stdc++.h>
#include "library.h"
#define all(vec) vec.begin(),vec.end()
using namespace std;
using ll=long long;
using P=pair<int,int>;
const ll MOD=1000000007LL;
const ll INF=(1<<30);
const ll LINF=(1LL<<60);
template<typename T> void chmax(T &a,T b){a=max(a,b);}
template<typename T> void chmin(T &a,T b){a=min(a,b);} 
void Solve(int N){
	int pos;
	vector<int> vis(N+10);
	for(int i=1;i<=N;i++){
		vector<int> v(N);
		for(int j=1;j<=N;j++){
			if(i==j)continue;
			v[j-1]=1;
		}
		int q=Query(v);
		if(q==1){
			pos=i;
			vis[pos]=1;
			break;
		}
	}
	vector<int> ans;
	ans.push_back(pos);
	for(int i=0;i<N-1;i++){
		vector<int> v,vv(N);
		for(int j=1;j<=N;j++){
			if(vis[j])continue;
			v.push_back(j);
		}
		sort(all(v));
		int ng=0,ok=v.size();
		while(ok-ng>1){
			int mid=(ok+ng)/2;
			for(int j=0;j<N;j++)vv[j]=0;
			for(int j=0;j<mid;j++)vv[v[j]-1]=1;
			int q1=Query(vv);
			vv[pos-1]=1;
			int q2=Query(vv);
			if(q1==q2){
				ok=mid;
			}else{
				ng=mid;
			}
		}
		pos=v[ok-1];
		vis[pos]=1;
		ans.push_back(pos);
	}
	Answer(ans);
}
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