Pagini recente » Cod sursa (job #320958) | Cod sursa (job #691107) | Cod sursa (job #1044717) | Cod sursa (job #3040672) | Cod sursa (job #3140997)
#include <fstream>
using namespace std;
ifstream in("cautbin.in");
ofstream out("cautbin.out");
int v[100001],n;
int cautbin(int val)
{
int r=0,pas=1<<16;
while(pas)
{
if(r+pas<=n&&v[r+pas]<=val)
r+=pas;
pas/=2;
}
return r;
}
int main()
{
int i,t,a,x,q;
in>>n;
for(i=1; i<=n; i++)
in>>v[i];
in>>q;
for(i=1; i<=q; i++)
{
in>>t>>a;
if(t==0)
{
x=cautbin(a);
if(v[x]==a)
out<<x<<'\n';
else
out<<"-1\n";
}
else if(t==1)
{
x=cautbin(a);
out<<x<<'\n';
}
else
{
x=cautbin(a-1);
out<<x+1<<'\n';
}
}
return 0;
}