Submission #330936

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Source Code Expand

def to_obj(s):
	try:
		n = int(s)
		return n
	except:
		return s

def get_pattern(s):
	values = []
	pat = []
	i = 0
	w = ""
	for i,c in enumerate(s):
		if c in ['\n', ' ']:
			values.append(to_obj(w))
			pat.append(type(to_obj(w)))
			pat.append(c)
			w = ""
		else:
			w += c
	if len(w)>0:
		values.append(to_obj(w))
	pat.append(type(to_obj(w)))
	return (values, pat)
	
import sys
values,pat = get_pattern(sys.stdin.read())
a = values[0]
if len(values)>=2:b=values[1]
if len(values)>=3:c=values[2]
if len(values)>=4:d=values[2]
print 1*a+-1*b+0,
print

Submission Info

Judge Result