Submission #83037

#	Time	Username	Problem	Language	Result	Execution time	Memory
83037		ioilolcom	The Big Prize (IOI17_prize)	C++14	20 / 100	63 ms	576 KiB

prize

#include "prize.h"

int find_best(int n) {

	int l=0;
	int r=n-1;
	int mid;
	while(l<=r) {
		mid=(l+r)/2;
		std::vector<int> res = ask(mid);
		if(res[1]==1) {
			l=mid+1;
		}
		else if(res[0]==1) {
			r=mid-1;
		}
		else if(res[0]==0&&res[1]==0) {
			return mid;
		}


	}
	return mid;
}

Compilation message (stderr)

prize.cpp: In function 'int find_best(int)':
prize.cpp:7:6: warning: 'mid' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int mid;
      ^~~

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