Compilare: user.cpp: In function ‘char* stringrev(char*)’: user.cpp:108:6: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] x[k]=NULL; ^ user.cpp:105:7: warning: variable ‘x’ set but not used [-Wunused-but-set-variable] char x[BAZA/10000];int k=0; ^ user.cpp: In member function ‘char* MARE::ToChar()’: user.cpp:609:19: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] string[X[0]*9+1] = NULL; ^ user.cpp:603:21: warning: address of local variable ‘string’ returned [-Wreturn-local-addr] int aux,k=-1; char string[BAZA/10000]; ^ user.cpp: In function ‘void rezolva()’: user.cpp:755:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i<strlen(s);i++) ^ user.cpp: In member function ‘bool MARE::operator>(MARE)’: user.cpp:474:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In member function ‘bool MARE::operator<(MARE)’: user.cpp:496:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In member function ‘bool MARE::operator>=(MARE)’: user.cpp:518:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In member function ‘bool MARE::operator<=(MARE)’: user.cpp:540:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In member function ‘bool MARE::operator==(MARE)’: user.cpp:562:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In member function ‘bool MARE::operator!=(MARE)’: user.cpp:584:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘void deschidere()’: user.cpp:738:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("risipa.in","r",stdin); ^ user.cpp:739:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("risipa.out","w",stdout); ^ user.cpp: In function ‘void citire()’: