n=int(input())
L=[]
L1=[]
for i in range (n):
L+=[input()]
for i in range (n-1):
L1+=[input()]
L.sort()
L1.sort()
x=0
for i in range(n-1):
if L[i]!=L1[i]:
x=L[i]
break
if x: print(x)
else: print(L[-1])
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
3428 KB |
Output is correct |
2 |
Correct |
26 ms |
3272 KB |
Output is correct |
3 |
Correct |
29 ms |
3392 KB |
Output is correct |
4 |
Correct |
30 ms |
3516 KB |
Output is correct |
5 |
Correct |
31 ms |
3456 KB |
Output is correct |
6 |
Correct |
321 ms |
11656 KB |
Output is correct |
7 |
Correct |
514 ms |
15580 KB |
Output is correct |
8 |
Correct |
620 ms |
18276 KB |
Output is correct |
9 |
Correct |
676 ms |
19872 KB |
Output is correct |
10 |
Correct |
669 ms |
19696 KB |
Output is correct |