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Cod sursa(job #798809)
#include<stdio.h>
long long v[50010],a;
int n,m,i,j,t,z;
int bs(long long a)
{
int st,dr,med,last;
st=1; dr=n;
last=-1;
while(st<=dr)
{
med=st+(dr-st)/2;
if(v[med]<=a)
{
if(v[med]==a)
last=med;
st=med+1;
}
else
dr=med-1;
}
return last;
}
int bs1(long long a)
{
int st,dr,med,last;
st=1; dr=n;
last=-1;
while(st<=dr)
{
med=st+(dr-st)/2;
if(v[med]<=a)
{
if(med>last)
last=med;
st=med+1;
}
else
dr=med-1;
}
return last;
}
int bs2(long long a)
{
int st,dr,med,last;
st=1; dr=n;
last=100000;
while(st<=dr)
{
med=st+(dr-st)/2;
if(v[med]<a)
{
st=med+1;
}
else
{
dr=med-1;
if(last>med)
last=med;
}
}
return last;
}
int main()
{
int b,no,rez;
freopen("cautbin.in","r",stdin);
freopen("cautbin.out","w",stdout);
scanf("%d",&n);
for(i=1;i<=n;i++)
{
scanf("%d",&v[i]);
}
scanf("%d",&m);
for(i=1;i<=m;i++)
{
scanf("%d%d",&no,&b);
if(no==0)
rez=bs(b);
if(no==1)
rez=bs1(b);
if(no==2)
rez=bs2(b);
printf("%d\n",rez);
}
return 0;
}