answer will be upvoted else downvoted. number is called 2050-number if it is 2050, 20500, ..., (2050⋅10k for integer k≥0). Given a number n, you are asked to represent n as the sum of some (not necessarily distinct) 2050-numbers. Compute the minimum number of 2050-numbers required for that. Input The first line contains a
answer will be upvoted else downvoted. number is called 2050-number if it is 2050, 20500, ..., (2050⋅10k for integer k≥0). Given a number n, you are asked to represent n as the sum of some (not necessarily distinct) 2050-numbers. Compute the minimum number of 2050-numbers required for that. Input The first line contains a
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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Question
Correct answer will be upvoted else downvoted.
number is called 2050-number if it is 2050, 20500, ..., (2050⋅10k for integer k≥0).
Given a number n, you are asked to represent n as the sum of some (not necessarily distinct) 2050-numbers. Compute the minimum number of 2050-numbers required for that.
Input
The first line contains a single integer T (1≤T≤1000) denoting the number of test cases.
The only line of each test case contains a single integer n (1≤n≤1018) denoting the number to be represented.
Output
For each test case, output the minimum number of 2050-numbers in one line.
If n cannot be represented as the sum of 2050-numbers, output −1 instead.
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