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i've got compile error. but i cannot detect what the error is can anybody help me with this? thanx in advance.

// codes removed

You should include <cstdio> if you're using scanf and fgets. Anyway, it's bad style to mix those with iostreams. You should also use code tag instead of pasting code directly.

hi,
thank u once again. this was really a silly mistake. i also tried not to use fgets but i could not input string with whitespaces. how can i do that if i want to use cin>> to read string from keyboard?

You can use getline(cin, aString). Unfortunately, cin/cout are really slow in older versions of g++ and you can exceed time limit on many problems just by using them.

Hi logic
Bye logic

Hi logic
Bye logic

kind Krzysztof Duleba