Compilare: main.cpp: In function 'int legatura(int, int)': main.cpp:12:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<v[x].size();i++) ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:40:13: warning: unused variable 'lg' [-Wunused-variable] int lg=v[nod].size(); ^~ main.cpp:45:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int indx=0;indx<nivel[lvl].size();indx++) ~~~~^~~~~~~~~~~~~~~~~~ main.cpp:50:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int indx1=0;indx1<v[nod].size();indx1++) ~~~~~^~~~~~~~~~~~~~ main.cpp:54:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int indx2=indx1+1;indx2<v[nod].size();indx2++) ~~~~~^~~~~~~~~~~~~~ main.cpp:61:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int indx1=0;indx1<v[nod].size();indx1++) ~~~~~^~~~~~~~~~~~~~