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Cod sursa(job #867059)
#include <fstream>
using namespace std;
int t,n,x,k,i,st,dr,mij,sol,v[100005];
ifstream f("cautbin.in");
ofstream g("cautbin.out");
int main()
{ f>>n;
for(i=1;i<=n;i++) f>>v[i];
f>>t;
while(t--)
{ f>>k>>x;
st=1; dr=n;
if(k==0)
{ sol=-1;
while(st<=dr)
{ mij=(st+dr)/2;
if (v[mij]==x){sol=mij; st=mij+1; }
else if (x<v[mij]) dr=mij-1; else st=mij+1;
}
g<<sol<<"\n";
}
if (k==1)
{ while(st<=dr)
{ mij=(st+dr)/2;
if(x<=v[mij]){sol=mij; st=mij+1;}
else dr=mij-1;
}
g<<sol<<"\n";
}
if (k==2)
{ while(st<=dr)
{ mij=(st+dr)/2;
if(v[mij]>=x){sol=mij; dr=mij-1;}
else st=mij+1;
}
g<<sol<<"\n";
}
}
return 0;
}