WaymoOA #1
Decode Repeated Groups
估计中等可在线判题
Decode lowercase letters and (substring){k} repeat groups, with nesting and k=0 allowed.
See "Input" for the standard input/output conventions and constraints added by this site.
输入格式
q lines of encoded strings; this site adds that each string and its decoded length are ≤200000, with depth ≤1000.
输出格式
Output each decoded string on its own line.
样例 1
输入:
3
abs(cs){3}g
a(b(c){2}){2}
x(yz){0}q
输出:
abscscscsg
abccbcc
xq
样例 2
输入:
1
a(b){0}c
输出:
ac
样例 3
输入:
1
(ab){2}
输出:
abab