Submission #347420

#	Time	Username	Problem	Language	Result	Execution time	Memory
347420		juggernaut	커다란 상품 (IOI17_prize)	C++14	0 / 100	1 ms	364 KiB

prize

#include"prize.h"
#ifdef EVAL
#else
#include"grader.cpp"
#endif
int find_best(int n){
    int l=0,r=n-1;
    while(l<r){
        int mid=(l+r)>>1;
        auto res=ask(mid);
        if(res[0]|res[1]==0)return mid;
        else if(res[0])r=mid-1;
        else l=mid+1;
    }
    return l;
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:11:25: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
   11 |         if(res[0]|res[1]==0)return mid;

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