Submission #797245

#	Time	Username	Problem	Language	Result	Execution time	Memory
797245		firewater	The Big Prize (IOI17_prize)	C++14	20 / 100	1 ms	296 KiB

prize

#include "prize.h"
#include <vector>
#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
#define ll long long
using namespace std;











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

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:25:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   25 |   int mid=l+r+1>>1;
      |           ~~~^~

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