Type: Default 1000ms 128MiB

字符窜初学1(0.5)

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说明

给出n个(偶数)字符,请输出倒数第一个连第一个,倒数第二个连第二个……(n<100)

输入格式


10
a  b  c  d  e  f  g  h  i  j
ja  ib  hc  gd  fe

来源

字符串

字符和字符串

Not Attended
Status
Done
Rule
ACM/ICPC
Problem
12
Start at
2025-12-16 14:30
End at
2025-12-24 22:30
Duration
200 hour(s)
Host
Partic.
39