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Cod sursa(job #291483)
#include<fstream>
#define dim 21474836
char marc[dim];
unsigned long poz[dim];
using namespace std;
int main()
{long long n,i,j,x,m,nr;
short int y;
ifstream f("cautbin.in");
ofstream g("cautbin.out");
f>>n;
for(i=1;i<=n;i++)
{f>>x; marc[x]=1; poz[x]=i;}
f>>m;
for(i=1;i<=m;i++)
{f>>y>>nr;
if(y==0)
{if(marc[nr]==1) g<<poz[nr]<<'\n';
else g<<-1<<'\n';}
if(y==1)
for(j=nr;j>=0;j--)
if(marc[j]==1) {g<<poz[j]<<'\n'; break;}
if(y==2)
for(j=nr;j<=21474836;j++)
if(marc[j]==1) {g<<poz[j]<<'\n'; break;}
}
f.close();
g.close();
return 0;
}