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Cod sursa(job #990981)
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("cautbin.in");
ofstream g("cautbin.out");
int main()
{
int a[100001],*p,i,j,val,n,m;
f>>n;
for(i=1;i<=n;i++)
f>>a[i];
f>>m;
for(i=1;i<=m;i++)
{
f>>j>>val;
if(j==0)
if(*find(a+1,a+n+1,val))
{
p=upper_bound(a+1,a+n+1,val);
g<<p-a-1<<'\n';
}
else
g<<-1<<'\n';
else
if(j==1)
{
p=upper_bound(a+1,a+n+1,val);
if(*find(a+1,a+n+1,val))
g<<p-a-1<<'\n';
else
if(p-a>1)
g<<p-a-1<<'\n';
else
g<<p-a<<'\n';
}
else
{
p=lower_bound(a+1,a+n+1,val);
if(*find(a+1,a+n+1,val))
g<<p-a<<'\n';
else
if(p-a>1)
g<<p-a-1<<'\n';
else
g<<p-a;
}
}
f.close();
g.close();
return 0;
}