You are given a positive number x. Observe the littlest positive integer number that has the amount of digits equivalent to x and all digits are unmistakable (extraordinary).    Input    The principal line contains a solitary positive integer t (1≤t≤50) — the number of experiments in the test. Then, at that point, t experiments follow.

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter4: Selection Structures
Section: Chapter Questions
Problem 14PP
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You are given a positive number x. Observe the littlest positive integer number that has the amount of digits equivalent to x and all digits are unmistakable (extraordinary). 

 

Input 

 

The principal line contains a solitary positive integer t (1≤t≤50) — the number of experiments in the test. Then, at that point, t experiments follow. 

 

Each experiment comprises of a solitary integer number x (1≤x≤50). 

 

Output 

 

Output t replies to the experiments: 

 

on the off chance that a positive integer number with the amount of digits equivalent to x and all digits are diverse exists, print the littlest such number; 

 

in any case print - 1.

 

 

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