Borderou de evaluare (job #475587)

Compilare: user.cpp: In function ‘bool rec_search(std::string)’: user.cpp:21:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘bool adv_src(std::string, int)’: user.cpp:30:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:37:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void ls(std::string, int, int, int, int)’: user.cpp:55:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:63:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] user.cpp:67:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:76:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]