Math Gurl - Cinco curiosidades surpreendentes - Curiosidade 3; Algoritmo que encontra potências de 2 que não tem 0. https://www.onlinegdb.com/SkycOgrl4

number_checker.py

# Author: @daviinacio
# Date: 16/12/2018
# Description: Algoritmo escrito com o objetivo de encontrar multiplos de 2 que não contenham 0

num_base = 2
num_wanted = 0

range_min = 0
range_max = 250

show_while_check = False

result_array = []

if input("Use default values (y/n): ") == 'n':
    num_base = int(input('Type the base number: '))
    num_wanted = int(input('Type the wanted number: '))
    
    range_min = int(input('Type the min range: '))
    range_max = int(input('Type the max range: '))



if input("Do you want to view the exponentials while checking? (y/n): ") == 'y':
    show_while_check = True
        
if not show_while_check:
    print("\nProcess started. Please wait...");

for exponential in range(range_min, range_max):
    # Calculate the exponential
    num = num_base ** exponential

    if show_while_check:
        print("{}^{}: {}".format(num_base, exponential, num))

    # Check for zero
    if not (str(num_wanted) in str(num)):
        result_array.append("{}^{}: {}".format(num_base, exponential, num))

print();
print("Check finished - range = {} ~ {} ".format(range_min, range_max))
print('\n\n')
print("## Exponentials without the number {} ##".format(num_wanted))

for i in range(0, len(result_array)):
    print(result_array[i])

print('\n')

input("Press the <ENTER> key to continue...")

program_output_range_0_100000.txt

Use default values (y/n): n
Type the base number: 2
Type the wanted number: 0
Type the min range: 0
Type the max range: 100000
Do you want to view the exponentials while checking? (y/n): n

Process started. Please wait...

Check finished - range = 0 ~ 100000 



## Exponentials without the number 0 ##
2^0: 1
2^1: 2
2^2: 4
2^3: 8
2^4: 16
2^5: 32
2^6: 64
2^7: 128
2^8: 256
2^9: 512
2^13: 8192
2^14: 16384
2^15: 32768
2^16: 65536
2^18: 262144
2^19: 524288
2^24: 16777216
2^25: 33554432
2^27: 134217728
2^28: 268435456
2^31: 2147483648
2^32: 4294967296
2^33: 8589934592
2^34: 17179869184
2^35: 34359738368
2^36: 68719476736
2^37: 137438953472
2^39: 549755813888
2^49: 562949953421312
2^51: 2251799813685248
2^67: 147573952589676412928
2^72: 4722366482869645213696
2^76: 75557863725914323419136
2^77: 151115727451828646838272
2^81: 2417851639229258349412352
2^86: 77371252455336267181195264


Press the <ENTER> key to continue...