Runtime Error
代码
a = 4
b = 2
c = 1
ans = 0
while b > 0:
if b%2==1:
c = c*a
a = a*a
b /= 2
while c > 0:
ans += c%10
c /= 10
print ansa = 4
b = 2
c = 1
ans = 0
while b > 0:
if b%2==1:
c = c*a
a = a*a
b /= 2
while c > 0:
ans += c%10
c /= 10
print ans
