제출 #234699

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
234699		Nodir_Bobiev	Hotter Colder (IOI10_hottercolder)	C++14	87 / 100	701 ms	8180 KiB

hottercolder

#include "grader.h"
#include <algorithm>
using namespace std;
int solve( int l, int r, int prevRequest){
   if( l == r ) return l;
   
   int m = (l+r)>>1;
   if( m == prevRequest && m != l ) m=m-1;
   else if( m == prevRequest ) m=m+1;

   int res1 = Guess(m);
   if( res1 == 0 ){
      return (m+prevRequest)/2;
   }
   if( res1 == 1 ){
      if( prevRequest < m )
         return solve(max(l,(m+prevRequest)/2+1), r, m);
      else
         return solve(l, min(r, (m+prevRequest-1)/2), m);
   }
   
   if( prevRequest < m ){
      return solve(l, min(r, (prevRequest+m-1)/2), m);
   }else{
      return solve(max(l, (prevRequest+m)/2+1), r, m);
   }
   
}
int HC(int N){
   if( N == 1 ) return 1;
   Guess(N/2);
   return solve(1, N, N/2);   
}

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 12 / 25