codeflash-internal/experiments/pie_test_set/p02471.py

36 lines
527 B
Python

def problem_p02471(input_data):
def gcd(a, b):
global queue
r = a % b
if r:
d = a // b
sb = queue.pop()
sa = queue.pop()
sc = tuple(map(lambda x, y: x - d * y, sa, sb))
queue.append(sb)
queue.append(sc)
return gcd(b, r)
else:
return b
a, b = list(map(int, input_data.split()))
queue = [(1, 0, a), (0, 1, b)]
g = gcd(a, b)
x, y, r = queue.pop()
return (x, y)