Submission #1366048

#	Time	Username	Problem	Language	Result	Execution time	Memory
1366048		mariza	The Big Prize (IOI17_prize)	C++20	20 / 100	0 ms	412 KiB

prize

#include "prize.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
#define MID ((l+r)/2)

int find_best(int n){
    ll l=0, r=n-1;
    while(l<=r){
        vector<int> ans=ask(MID);
        if(ans[0]==1) r=MID-1;
        else if(ans[1]==1) l=MID+1;
        else return MID;
    }
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:16:1: warning: control reaches end of non-void function [-Wreturn-type]
   16 | }
      | ^

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