Compilare: user.cpp: In function ‘void baga(std::string, int)’: user.cpp:33: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void baga2(std::string)’: user.cpp:77: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void citeste()’: user.cpp:121: warning: comparison between signed and unsigned integer expressions user.cpp:123: warning: comparison between signed and unsigned integer expressions user.cpp:138: warning: comparison between signed and unsigned integer expressions user.cpp:140: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘bool cauta(std::string)’: user.cpp:152: warning: comparison between signed and unsigned integer expressions user.cpp:157: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void rezolva()’: user.cpp:171: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘bool cauta(std::string)’: user.cpp:165: warning: control reaches end of non-void function