Compilare: main.cpp: In function 'void citire()': main.cpp:38:12: warning: unused variable 'x' [-Wunused-variable] 38 | int i, x, y, c, j,m; | ^ main.cpp:38:15: warning: unused variable 'y' [-Wunused-variable] 38 | int i, x, y, c, j,m; | ^ main.cpp: In function 'bool bellmanford()': main.cpp:59:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<varf>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for (i=0; i<G[x].size(); i++) | ~^~~~~~~~~~~~