mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-10-06 13:49:30 +00:00
21 lines
318 B
Python
21 lines
318 B
Python
def modularExponential(base, power, mod):
|
|
if power < 0:
|
|
return -1
|
|
base %= mod
|
|
result = 1
|
|
|
|
while power > 0:
|
|
if power & 1:
|
|
result = (result * base) % mod
|
|
power = power >> 1
|
|
base = (base * base) % mod
|
|
return result
|
|
|
|
|
|
def main():
|
|
print(modularExponential(3, 200, 13))
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|