Submission #423115

#	Time	Username	Problem	Language	Result	Execution time	Memory
423115		Pbezz	The Big Prize (IOI17_prize)	C++14	20 / 100	1 ms	328 KiB

prize

#include "prize.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
typedef pair<ll,ll> pii;

const ll MAXN=2e5+5;
const ll INF=1e9+7;


int find_best(int n) {
ll i;

	ll lo=0,hi=n-1,mid;
	while(hi-lo>=2){

	mid = lo+(hi-lo)/2;

	vector<int> res = ask(mid);
	if(res[0]+res[1]==0)return mid;

	if(res[0]==1){
	hi=mid;
	}else{
	lo=mid;
	}
}
//cout<<lo<<" "<<hi<<endl;
	for(i=lo;i<=hi;i++){

	vector<int> res = ask(i);//cout<<i<<" "<<res[0]<<" "<<res[1]<<endl;
	if(res[0]+res[1]==0)return i;


}





	return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 80