Compilare: main.cpp: In function 'void Afiseaza()': main.cpp:38:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<strlen(mesaj); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void Read()': main.cpp:64:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0; k<strlen(mesaj); ++k) ~^~~~~~~~~~~~~~ main.cpp: In function 'void Lee()': main.cpp:91:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<strlen(mesaj); ++i) ~^~~~~~~~~~~~~~ main.cpp: In function 'void Solve2()': main.cpp:129:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int tablou1=1; tablou1<strlen(mesaj); tablou1++) ~~~~~~~^~~~~~~~~~~~~~ main.cpp:144:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int tablou1=1; tablou1<=strlen(mesaj); tablou1++) ~~~~~~~^~~~~~~~~~~~~~~ main.cpp:139:45: warning: 'j_optim_f' may be used uninitialized in this function [-Wmaybe-uninitialized] out << i_optim_f << " " << j_optim_f << "\n"; ^~~~ main.cpp:139:25: warning: 'i_optim_f' may be used uninitialized in this function [-Wmaybe-uninitialized] out << i_optim_f << " " << j_optim_f << "\n"; ^~~