Compilare: main.cpp: In function 'void bfs()': main.cpp:26:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<a[x].size();i++) ~^~~~~~~~~~~~ main.cpp: In function 'void bellman()': main.cpp:53:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<a[x].size();i++) ~^~~~~~~~~~~~ main.cpp:44:7: warning: unused variable 'x' [-Wunused-variable] { int x,y,dr,drnou,cost; ^ main.cpp:44:9: warning: unused variable 'y' [-Wunused-variable] { int x,y,dr,drnou,cost; ^ main.cpp:44:11: warning: unused variable 'dr' [-Wunused-variable] { int x,y,dr,drnou,cost; ^~ main.cpp:44:14: warning: unused variable 'drnou' [-Wunused-variable] { int x,y,dr,drnou,cost; ^~~~~ main.cpp:44:20: warning: unused variable 'cost' [-Wunused-variable] { int x,y,dr,drnou,cost; ^~~~