How about we call a positive integer n customary if in the decimal documentation every one of its digits are something very similar. For instance, 1, 2 and 99 are conventional numbers, however 719 and 2021 are not normal numbers. For a given number n, track down the number of common numbers among the numbers from 1 to n.
How about we call a positive integer n customary if in the decimal documentation every one of its digits are something very similar. For instance, 1, 2 and 99 are conventional numbers, however 719 and 2021 are not normal numbers. For a given number n, track down the number of common numbers among the numbers from 1 to n.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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How about we call a positive integer n customary if in the decimal documentation every one of its digits are something very similar. For instance, 1, 2 and 99 are conventional numbers, however 719 and 2021 are not normal numbers.
For a given number n, track down the number of common numbers among the numbers from 1 to n.
Input
The main line contains one integer t (1≤t≤104). Then, at that point, t experiments follow.
Each experiment is characterized by one integer n (1≤n≤109).
Output
For each experiment output the number of common numbers among numbers from 1 to n.
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