Submission #165239

#	Time	Username	Problem	Language	Result	Execution time	Memory
165239		Segtree	커다란 상품 (IOI17_prize)	C++14	20 / 100	89 ms	504 KiB

prize

#include<iostream>
#include"prize.h"
using namespace std;
typedef long long ll;

int find_best(int n){
    int l=0,r=n-1,mid;
    while(l<r){
	mid=(l+r)>>1;
	vector<int> a=ask(mid);
	if(a[0]==0&&a[1]==0){
	    return mid;
	}
	if(a[0]==1){
	    r=mid-1;
	}
	if(a[1]==1){
	    l=mid+1;
	}
    }
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:21:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

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