Submission #889930

#	Time	Username	Problem	Language	Result	Execution time	Memory
889930		elotelo966	The Big Prize (IOI17_prize)	C++17	20 / 100	1 ms	428 KiB

prize

#include "prize.h"
#include <bits/stdc++.h>
using namespace std;
 
int find_best(int n) {
      int l=0,r=n;
	while(l<=r) {
	      int m=(l+r)/2;
		std::vector<int> res = ask(m);
		if(res[0] + res[1] == 0)
			return m;
		if(res[0]<res[1])
		      l=m+1;
		else r=m-1;
	}
  	vector<int> son=ask(l);
  	if(son[0]+son[1]==0)return l;
  	return r;
	return 0;
}

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