Teaching Kids Programming: Videos on Data Structures and Algorithms
Given x is a positive integer, find 
Math Exponential Formula
The exponential formula: 
Thus: 
Thus: 
Bruteforce – Linear Search Algorithm
The upperbound of x can be set to 2048 because 
T = 2**2048
for x in range(1, 2048+1):
if x**x == T:
print(x)
Binary Search Algorithm to Find Root to Equation
We can binary search:
def f():
L = 1
R = 2048
T = 2**2048
while L <= R:
m = L + R >> 1
mm = m**m
if mm == T:
return m
if mm > T:
R = m - 1
else:
L = m + 1
return -1 # solution not found
–EOF (The Ultimate Computing & Technology Blog) —
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