Submission #1352061

#	Time	Username	Problem	Language	Result	Execution time	Memory
1352061		KALARRY	The Big Prize (IOI17_prize)	C++20	20 / 100	17 ms	416 KiB

prize

//chockolateman

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

using namespace std;

int search(int start,int end)
{
    if(start > end)
        return -1;
    int mid = (start + end)/2;
    vector<int> temp = ask(mid);
    if(temp[0]==0 && temp[1]==0)
        return mid;
    int l = -1;
    if(temp[0] != 0)
        l = search(start,mid-1);
    int r = -1;
    if(temp[1] != 0)
        r = search(mid+1,end);
    return max(l,r);
}

int find_best(int n) {
	return search(0,n-1);
}

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