Compilare: main.cpp: In function 'int prima_cerinta()': main.cpp:36:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[curent].size();i++) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void cerinta_doi()': main.cpp:70:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[curent].size();i++) ~^~~~~~~~~~~~~~~~~ main.cpp:97:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[curent].size();i++) ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:126:12: warning: unused variable 'b' [-Wunused-variable] char a,b,c,d,spatiu; ^ main.cpp:126:14: warning: unused variable 'c' [-Wunused-variable] char a,b,c,d,spatiu; ^ main.cpp:126:16: warning: unused variable 'd' [-Wunused-variable] char a,b,c,d,spatiu; ^