Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:36:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < mu[aux].size() ; i++) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void afisare(int)': main.cpp:69:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < mu[j].size() ; i++) ~~^~~~~~~~~~~~~~ main.cpp:65:9: warning: unused variable 'i' [-Wunused-variable] int i, j; ^ main.cpp:65:12: warning: unused variable 'j' [-Wunused-variable] int i, j; ^ main.cpp: In function 'void citire(int)': main.cpp:79:12: warning: unused variable 'i' [-Wunused-variable] int j, i; ^