[백준 2010번] 플러그

https://www.acmicpc.net/problem/2010

2010번: 플러그

 

내 풀이

140448kb 300ms

multi_plug = int(input())
plug_hole = []
total_hole = 0

for i in range(multi_plug):
  plug_hole.append(int(input()))

for plugs in plug_hole:
  total_hole += plugs

print((total_hole)-(len(plug_hole)-1))