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Cod sursa(job #659144)
#include <cstdio>
#include <algorithm>
using namespace std;
int i,x,n,m,q,a[100010];
int cb0(int l,int r)
{
int m ;
while(l<=r)
{
m=(l+r)/2;
if (a[m]<=x) l=m+1;
else r=m-1;
}
m=(l+r)/2;
if (a[m]>x)
m=m-1;
if (a[m]==x)
return m; else return -1;
}
int cb1(int l,int r)
{
int m;
while(l<r)
{
m=(l+r)/2;
if (a[m]<=x)
l=m+1;
else
r=m;
}
m=(l+r)/2;
if (a[m]>x)
m--;
return m;
}
int cb2(int l,int r)
{
int m;
while(l<r)
{
m=(l+r)/2;
if (a[m]<x)
l=m+1;
else
r=m;
}
m=(l+r)/2;
if (a[m]<x)
m++;
return m;
}
int main()
{
freopen("cautbin.in","r",stdin);
freopen("cautbin.out","w",stdout);
scanf("%d",&n);
for (i=1 ;i<=n ;i++) scanf("%d",&a[i]);
sort(a+1,a+n+1);
scanf("%d",&m);
for (i=1 ;i<=m ;i++)
{
scanf("%d%d",&q,&x);
if (q==0) printf("%d\n",cb0(1,n));
if (q==1) printf("%d\n",cb1(1,n));
if (q==2) printf("%d\n",cb2(1,n));
}
}