HDOJ 5062 Beautiful Palindrome Number

#include <iostream>
#include <cstdio>
#include <string>
#include <cstring>
#include <vector>
#include <deque>
#include <list>
#include <cctype>
#include <algorithm>
#include <climits>
#include <queue>
#include <stack>
#include <cmath>
#include <set>
#include <iomanip>
#include <cstdlib>
#include <ctime>
#pragma comment(linker, "/STACK:1024000000,1024000000")
using namespace std;

int main()
{
int a[8] = { 1, 9, 18, 54, 90, 174, 258 };
int n;
int t;
cin >> t;
while ( t -- )
{
cin >> n;
cout << a
<< endl;
}
return 0;
}