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Cod sursa(job #281301)
#include <fstream>
using namespace std;
ifstream cin("cautbin.in");
ofstream cout("cautbin.out");
int v[100001],n;
int caut0(int x)
{
int st=1,dr=n,mid;
while(st!=dr)
{
mid=(st+dr+1)/2;
if(x>=v[mid])
st=mid;
else
dr=mid-1;
}
if(x==v[st])
return st;
return -1;
}
int caut1(int x)
{
int st=1,dr=n,mid;
while(st!=dr)
{
mid=(st+dr+1)/2;
if(x>=v[mid])
st=mid;
else
dr=mid-1;
}
if(v[st]>x)
return st-1;
return st;
}
int caut2(int x)
{
int st=1,dr=n,mid;
while(st!=dr)
{
mid=(dr-st)/2+st;
if(x<=v[mid])
dr=mid;
else
st=mid+1;
}
return st;
}
int main()
{
int i,m,q,x;
cin>>n;
for(i=1;i<=n;i++)
cin>>v[i];
cin>>m;
for(i=1;i<=m;i++)
{
cin>>q;
cin>>x;
if(q==0)
cout<<caut0(x)<<"\n";
if(q==1)
cout<<caut1(x)<<"\n";
if(q==2)
cout<<caut2(x)<<"\n";
}
return 0;
}