Compilare: main.cpp: In function 'void adanc(int)': main.cpp:41:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<v[nod].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void adanct(int)': main.cpp:55:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<vt[nod].size(); i++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void graf_nou()': main.cpp:67:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j<v[i].size(); j++) ~^~~~~~~~~~~~ main.cpp:65:13: warning: unused variable 'k' [-Wunused-variable] int i,j,k, next; ^ main.cpp: In function 'void dij(int)': main.cpp:93:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<gn[nod].size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:80:21: warning: variable 'cost' set but not used [-Wunused-but-set-variable] int i,nod,next, cost, cst; ^~~~ main.cpp: In function 'int main()': main.cpp:107:11: warning: unused variable 'j' [-Wunused-variable] int i,j, nod; ^