Submission #754534

#	Time	Username	Problem	Language	Result	Execution time	Memory
754534		ValiAntonie	Hotter Colder (IOI10_hottercolder)	C++14	50 / 100	509 ms	8132 KiB

hottercolder

#include "grader.h"
#include<bits/stdc++.h>
using namespace std;
 
int Guess (int x);
 
int HC(int N){
int st=1,dr=N;
Guess(st);
int a = Guess(dr);
int prev = -1;
while(st!=dr){
	int mij = (st+ dr) >> 1;
	if(a==-1){
		dr= mij;
    if(st != dr){
	Guess(st);
	a = Guess(dr);
	prev = 0;
	}
	}
	else if(a==1){//close to l
		st = mij + 1;
    if(st != dr){
            if(prev == 0){
            a = Guess(st);
            a = -a;
            prev = 1;
            }
            else{
            Guess(st);
            a= Guess(dr);
            prev = 0;
            }
	}
	}
	else return mij;
}
return st;
}

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25