백준 2460 (python): 지능형 기차 2

 

maxNum = -1
peopleNum = 0

for _ in range(10):
    minus, plus = map(int, input().split())
    peopleNum = peopleNum + (-minus) + plus
    if peopleNum > maxNum :
        maxNum = peopleNum

print(maxNum)

 

if peopleNum > maxNum :
	maxNum = peopleNum

# 이렇게 쓰는 대신
maxNum = max(peopleNum, maxNum)