제출 #82556

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
82556		farukkastamonuda	통행료 (IOI18_highway)	C++14	5 / 100	39 ms	808 KiB

highway

#include "highway.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define lo long long 
#define inf 1000000009
#define md 1000000007
#define li 105
#define mp make_pair
#define pb push_back
#define mid (start+end)/2
using namespace std;
lo dep,dep2,aaa;
int baba[li],atakenar[li],tut;
vector< pair<int,int> > v[li];
vector<int> val,ol;
int yol[105];
void dfs(int node,int ata,lo int der){
	baba[node]=ata;
	if(der==dep) ol.pb(node);
	for(int i=0;i<(int)v[node].size();i++){
		int go=v[node][i].fi;
		if(go==ata) continue;
		atakenar[go]=v[node][i].se;
		dfs(go,node,der+aaa);
	}
}
void git(int a,int b){
	while(b!=a){
		yol[atakenar[b]]=1;
		b=baba[b];
	}
	//yol.pb(a);
}
void find_pair(int N,vector<int> U,vector<int> V,int A,int B){
	aaa=A;
	for(int i=0;i<(int)U.size();i++){
		v[U[i]].pb(mp(V[i],i));
		v[V[i]].pb(mp(U[i],i));
	}
	for(int i=0;i<(int)U.size();i++) val.pb(0);
	dep=ask(val);
	val.clear();
	for(int i=0;i<(int)U.size();i++) val.pb(1);
	dep2=ask(val);
	dfs(0,-1,0);
	//val.clear();
	for(int i=0;i<(int)ol.size();i++){
		val.clear();
		memset(yol,0,sizeof(yol));
		git(0,ol[i]);
		for(int j=0;j<(int)U.size();j++){
			if(yol[j]==1) val.pb(1);
			else val.pb(0);
		}
		if(ask(val)==dep2){
			tut=ol[i];
			break;
		}
	}
	answer(0,tut);
}
//~ int main(){
	
	//~ return 0;
//~ }

• Subtask 1: 5 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 6
• Subtask 4: 0 / 33
• Subtask 5: 0 / 18
• Subtask 6: 0 / 31