제출 #66614

A/(B-(C))

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 26, in <module>
    ca = change(a)
  File "Main.py", line 14, in change
    if len(stack) != 0 and pr(i) <= pr(stack[-1]):
TypeError: '<=' not supported between instances of 'int' and 'NoneType'

ABC-/

A*B-((C)+D)

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 26, in <module>
    ca = change(a)
  File "Main.py", line 14, in change
    if len(stack) != 0 and pr(i) <= pr(stack[-1]):
TypeError: '<=' not supported between instances of 'int' and 'NoneType'

AB*CD+-

((A)/B)*(C)

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 26, in <module>
    ca = change(a)
  File "Main.py", line 14, in change
    if len(stack) != 0 and pr(i) <= pr(stack[-1]):
TypeError: '<=' not supported between instances of 'NoneType' and 'int'

AB/C*