Introduction to Python

Profound Academy

Course Status
1
Input and Output
2
Mastering I/O
3
Variables and Integer Arithmetic
4
Mastering Variables
5
Conditional Operators
6
More on Boolean Variables
7
Advanced Conditions - Nesting
8
Mastering Conditions
9
Types and Variables
10
Mastering types
11
Strings
12
More Strings
13
Lists
14
Mastering Lists and ranges
15
For Loops
16
Mastering For loops
17
While Loops
18
continue, break, while...else, for...else
19
String and List methods
20
Nested Loops
21
Mastering Loops
22
List Comprehension
23
Advanced loops
24
Tuples and Sets
25
dict
26
Functions
27
Functions 2
28
Lambda and higher-order functions
29
Files

Geometric progression

Geometric progression is defined as a sequence of , where each next element is obtained by multiplying the previous one with a number q.

For example 100, 200, 400, 800, 1600, ... is a geometric progression, where b1 = 100 and q = 2.

So, to obtain the n-th number in the sequence when having the first element and the number q, one can use the formula:

Given the first number in the sequence , the number q, and the number n, print the n-th element of the sequence .

Input	Output
95 3 2	285

Constraints

Time limit: 2 seconds

Memory limit: 512 MB

Output limit: 1 MB

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