[Algorithm] 잃어버린 괄호

[hwangJi-dev]

https://www.acmicpc.net/problem/1541

formula = input().split('-')
arr = []

for i in formula:
 if '+' not in i:
 arr.append(int(i))
 else:
 temp = 0
 for j in i.split('+'):
 temp += int(j)
 arr.append(temp)

ans = arr.pop(0)
for i in arr:
 ans -= i

print(ans)