Consonant Counting Problem Statement

Given a string STR comprising uppercase and lowercase characters and spaces, your task is to count the number of consonants in the string.

A consonant is defined as an English alphabet character that is not a vowel (a, e, i, o, or u). Examples of consonants include b, c, d, f, etc.

Example:

Input:

STR = 'Coding Ninjas'

Output:

8

Explanation:

The given string contains 8 consonants: 'C', 'd', 'n', 'g', 'N', 'n', 'j', 's'. These characters are not part of the vowel set.

Constraints:

• 1 ≤ T ≤ 50
• 1 ≤ Length of STR ≤ 104
• The string consists of uppercase and lowercase letters and spaces.
• Time Limit: 1 sec