北大Judge Girl
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-130. Similar Strings
The problem with troubleshooting is that trouble shoots back.
Problem
Testdata
0.in
0.out
1.in
1.out
10.in
10.out
2.in
2.out
3.in
3.out
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4.out
5.in
5.out
6.in
6.out
7.in
7.out
8.in
8.out
9.in
9.out