Compilare: main.cpp: In member function 'int graph::cerinta1()': main.cpp:45:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i=0; i<edges[nod].size();i++ ){ ~^~~~~~~~~~~~~~~~~~ main.cpp:54:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i=1; i< dist.size(); i++){ ~^~~~~~~~~~~~~ main.cpp: In member function 'int graph::cerinta2()': main.cpp:71:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( i=0; i<edges[nod].size();i++ ){ ~^~~~~~~~~~~~~~~~~~ main.cpp:64:21: warning: unused variable 'maxi' [-Wunused-variable] int i, nod, v, w, maxi=0; ^~~~