Cod sursa(job #3130542)

Utilizator otilia_nedelcu@yahoo.comGutanu Tiberiu [email protected] Data 17 mai 2023 22:37:51
Problema Cbinteractiv Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <iostream>
using namespace std;

int main(){

    cout.flush();
    int n;
    cin>>n;
    int st=1,dr=n,aux;
    while(st<dr)
        {
        int mij=(st+dr)/2;
        cout<<'?'<<mij<<'\n';
        cin>>aux;
        if(aux==1)
        dr=mij;
        else
        st=mij+1;
    }
    cout<<'!'<<st;
    return 0;
}