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Cod sursa(job #262339)
#include<stdio.h>
long v[100010],n,m;
void read()
{
scanf("%ld",&n);
long i;
for (i=1;i<=n;i++)
scanf("%ld",&v[i]);
scanf("%ld",&m);
}
long cautbin(long st,long dr,long k)
{
long w,m;
w=-1;
while (st<=dr)
{
m=(st+dr)/2;
if (v[m]==k)
{
w=m;
st=m+1;
}
else if (v[m]<k)
{
st=m+1;
}
else {
dr=m-1;
}
}
return w;
}
long cautbin1(long st,long dr,long k)
{
long w,m;
w=-1;
while (st<=dr)
{
m=(st+dr)/2;
if (v[m]<=k)
{
w=m;
st=m+1;
}
else {
dr=m-1;
}
}
return w;
}
long cautbin2(long st,long dr,long k)
{
long w,m;
w=-1;
while (st<=dr)
{
m=(st+dr)/2;
if (v[m]>=k)
{
w=m;
dr=m-1;
}
else {
st=m+1;
}
}
return w;
}
void rez()
{
long a,b;
long i;
for (i=1;i<=m;i++)
{
scanf("%ld%ld",&a,&b);
if (a==0)
printf("%ld\n",cautbin(1,n,b));
else if (a==1)
printf("%ld\n",cautbin1(1,n,b));
else printf("%ld\n",cautbin2(1,n,b));
}
}
int main()
{
freopen("cautbin.in","r",stdin);
freopen("cautbin.out","w",stdout);
read();
rez();
return 0;
}