point of intersection
One of the most common tasks you will find in geometry problems is line intersection. Say we are given two different points, (x1, y1) and (x2, y2) for both the lines.How will you find the point of intersection of two lines.
Given an integer n, write a function that returns count of trailing zeroes in n!. Examples: Input: n = 5 Output: 1 Factorial of 5 is 20 which has one trailing 0. Input: n = 20 Output: 4 Factorial of 20 is 2432902008176640000 which has 4 trailing zeroes. Input: n = 100 Output: 24
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