Submission #96372

#	Time	Username	Problem	Language	Result	Execution time	Memory
96372		figter001	The Big Prize (IOI17_prize)	C++14	0 / 100	87 ms	1144 KiB

prize

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

using namespace std;

typedef long long ll;
const int maxn = 2e5+50;

int dp[maxn],ans,n;

void qu(int a){
	if(dp[a])return;
	dp[a] = 1;
	vector<int> res = ask(a);
	if(res[0] + res[1] == 0){
		ans = a;
	}
}

void solve(int l,int r){
	if(l > r)return;
	int md = (l+r)/2;
	qu(md);
	if(ans != -1)return;
	solve(l,md-1);
	solve(md+1,r);
}

int find_best(int N) {
	memset(dp,0,sizeof(dp));
	n = N;
	ans = -1;
	solve(0,n-1);
	return ans;
}

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