Borderou de evaluare (job #564271)

Compilare: user.cpp: In function ‘int verifica(std::string)’: user.cpp:16:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:22:51: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] user.cpp: In function ‘int cauta(std::string)’: user.cpp:31:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:48:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:68:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:76:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]