OJ Board

Anybody knows why this code gives WA? It seems to work in every case I thought, it counts the words without repetition, the output is sorted... Any help or any test case where this fails? [cpp] #include <iostream> #include <string> #include <sstream> #include <set> bool letras[128]; bool correcta(st...

Anybody has an idea how to do problem 10406? I don't know where to begin.

Any help would be appreciated.