Submission #335629

#	Time	Username	Problem	Language	Result	Execution time	Memory
335629		Joshc	마라톤 경주 (COCI14_utrka)	Cpython 3	80 / 80	390 ms	17884 KiB

utrka

n = int(input())
people = {}
for i in range(n):
  a = input()
  if a not in people:
    people[a] = 1
  else:
    people[a] += 1
for i in range(n - 1):
  a = input()
  people[a] -= 1
for a in people:
  if people[a] != 0:
    print(a)
    break;

• Subtask 1: 80 / 80