Can somebody give me some tests?
    I can;t find what's wrong with my prog.
    Thanks a lot.

oh... very stupid error. you should use .clone() in java.
now TLE 10

Edited by author 21.02.2010 18:22

10 years have passed) I hope it will help somebody. I had WA3, i forgot to clear vector after set intersection, very stupid mistake

Edited by author 24.03.2019 23:54

Edited by author 24.03.2019 23:54

this test helped me:
2
a: fuck it
b: fuck this shit
1
a b

answer: fuck


reason: I indexed the words from 0, but I should from 1