Love for 9
Practice
4.2 (4 votes)
Easy
Problem
59% Success 755 Attempts 20 Points 1s Time Limit 256MB Memory 1024 KB Max Code
Hardik likes the number 9, One of his friend gave him a number N, and want him to turn it into a multiple of 9. His friend gave him some restriction that he cannot add or remove digits, and he can only change one digit at a time. The only allowed operation is to increment or decrement a digit by one, and doing this takes exactly one second. Note that he cannot increase a digit 9 or decrease a digit 0, and the resulting number must not contain any leading zeroes unless N has a single digit. So Hardik has to find the minimum amount of time (in seconds) needed to accomplish this.
CONSTRAINT
- 1≤T≤1000
- 1≤N≤10^(10^5)
- N will not contain leading zeroes.
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