Cod sursa(job #3344954)

Utilizator AsandeiBogdanAsandei Bogdan AsandeiBogdan Data 7 martie 2026 09:41:16
Problema Cbinteractiv Scor 3
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <iostream>

using namespace std;

int n,k,i=1,x;

int main()
{
    cin>>n;
    x=n/2;
    cout<<"? "<<x<<endl;
    cin>>k;
    while (k==1) {
    cout<<"? "<<x-i<<endl;
    i++;
    cin>>k;
    }
    if (k==0) cout<<"! "<<x-i+2;
    while (k==-1){
        cout<<x+i;
        i++;
        cin>>k;
    }

    return 0;
}