Compilare: main.cpp: In function 'void Dijkstra()': main.cpp:22:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 0; i < G[aux].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:40:13: warning: unused variable 'start' [-Wunused-variable] int n, m, start, i, j, x, y, c, k; ^~~~~ main.cpp:40:23: warning: unused variable 'j' [-Wunused-variable] int n, m, start, i, j, x, y, c, k; ^