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Cod sursa(job #724589)
#include<fstream>
#include<vector>
#include<algorithm>
using namespace std;
ifstream fin("cautbin.in");
ofstream fout("cautbin.out");
int a[100001];
int n;
int m;
int main()
{
fin >> n;
for(int i = 1; i <= n; ++i)
fin >> a[i];
fin >> m;
int x, y;
for(int i = 1; i <= m; ++i)
{
fin >> x >> y;
if( x == 0)
if( binary_search(a+1, a+n+1, y) == false)
fout << -1 << '\n';
else
fout << *upper_bound(a+1, a+n+1, y) - 1 << '\n';;
if( x == 1)
fout << *lower_bound(a+1, a+n+1, y+1) - 1 << '\n';;
if(x == 2)
fout << *upper_bound(a+1, a+n+1, y-1) -1 << '\n';;
}
return 0;
}