For this case, a number is defined ugly if it has prime factors consisting of only elements of x.
Find the nth ugly number.
so the ans is 15.
Unlike the previous two "ugly()" problems, in this one it appears that the number "1" is not considered ugly.
Test if a Number is a Palindrome without using any String Operations
Volume of a Parallelepiped
Area of an equilateral triangle
Find out sum of all elements of given Matrix
Sub-sequence - 01
Sky full of stars - 01
Repeat elements of a vector
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