Submission #96310

#	Time	Username	Problem	Language	Result	Execution time	Memory
96310		figter001	The Big Prize (IOI17_prize)	C++14	0 / 100	95 ms	1152 KiB

prize

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

using namespace std;

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

int l,r,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;
	}
	if(res[0] > res[1]){
		l = 0;
		r = a - 1;
	}else{
		l = a + 1;
		r = n - 1;
	}
}

int find_best(int N) {
	srand(time(0));
	n = N;
	l=0;r=n-1;
	ans = -1;
	while(1){
		int a = l + (rand() % (r-l+1));
		qu(a);
		if(ans != -1)return ans;
	}
}

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