Compilare: main.cpp: In function 'void citire()': main.cpp:40:12: warning: left operand of comma operator has no effect [-Wunused-value] x,y,z; in>>x>>y>>z; ^ main.cpp:40:14: warning: right operand of comma operator has no effect [-Wunused-value] x,y,z; in>>x>>y>>z; ^ main.cpp:40:15: warning: right operand of comma operator has no effect [-Wunused-value] x,y,z; in>>x>>y>>z; ^ main.cpp: In function 'void Dijkstra()': main.cpp:59:27: warning: integer overflow in expression [-Woverflow] dist[i][j]=(1<<31)-1; ~~~~~~~^~ main.cpp:67:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<v[nod].size();j++) ~^~~~~~~~~~~~~~