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Cod sursa(job #585310)
#include<cstdio>
#include<iostream>
using namespace std;
int n,m,a[100010];
int main()
{
int i,poz,x,y;
freopen("cautbin.in","r",stdin);
scanf("%d",&n);
for(i=1;i<=n;i++)
scanf("%d",&a[i]);
scanf("%d",&m);
freopen("cautbin.out","w",stdout);
for(i=1;i<=m;i++)
{
scanf("%d %d",&x,&y);
if(x==0)
{
poz=upper_bound(a+1,a+n+1,y)-a;
poz--;
if(a[poz]==y && poz<=n && poz>0)
printf("%d\n",poz);
else
printf("-1\n");
}
else
if(x==1)
{
poz=lower_bound(a+1,a+n+1,y+1)-a;
poz--;
printf("%d\n",poz);
}
else
{
poz=upper_bound(a+1,a+n+1,y-1)-a;
printf("%d\n",poz);
}
}
return 0;
}