Cod sursa(job #3133483)
Utilizator | Data | 25 mai 2023 19:46:16 | |
---|---|---|---|
Problema | Cbinteractiv | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <iostream>
using namespace std;
int n,st,dr,mij,val;
int main()
{
cout.flush();
cin>>n;
st=1;
dr=n;
while(st<dr)
{
mij=(st+dr)/2;
cout<<"?"<<mij;
cin>>val;
if(val==1)
{
dr=mij;
}
if(val==0)
st=mij+1;
}
cout<<"!"<<st;
return 0;
}