Describe in simple terms the functions (a) 2^⌊ilog2(x)⌋ and (b) 2^⌈ilog2(x−1)⌉ + 1.

Analyze the describe in simple terms the functions (a) 2^⌊ilog2(x)⌋ and (b) 2^⌈ilog2(x−1)⌉ + 1..

Examples
Input: "test_input_1"
Output: "output_1"
Hints

Describe in simple terms the functions (a) 2^⌊ilog2(x)⌋ and (b) 2^⌈ilog2(x−1)⌉ + 1.

Analyze the describe in simple terms the functions (a) 2^⌊ilog2(x)⌋ and (b) 2^⌈ilog2(x−1)⌉ + 1..