Submission #2233790

Source Code Expand

n = int(input())
paper = set()
for i in range(n):
  tmp = input().rstrip()
  if tmp not in paper:
    paper.add(tmp)
  else:
    paper.remove(tmp)
print(len(paper))

Submission Info

Submission Time
Task C - Write and Erase
User kj1321
Language Python (3.4.3)
Score 300
Code Size 172 Byte
Status AC
Exec Time 178 ms
Memory 14700 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 11
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, sample_01.txt, sample_02.txt, sample_03.txt
Case Name Status Exec Time Memory
01.txt AC 169 ms 2940 KB
02.txt AC 165 ms 3060 KB
03.txt AC 177 ms 14700 KB
04.txt AC 166 ms 2940 KB
05.txt AC 170 ms 7404 KB
06.txt AC 178 ms 3060 KB
07.txt AC 162 ms 3060 KB
08.txt AC 166 ms 3188 KB
sample_01.txt AC 17 ms 2940 KB
sample_02.txt AC 17 ms 2940 KB
sample_03.txt AC 17 ms 2940 KB