Compilare: main.cpp: In function 'void dijkstra()': main.cpp:19:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < L[p].size(); i++) ~~^~~~~~~~~~~~~ main.cpp:32:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 0; i < L[poz].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void bf()': main.cpp:71:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<L[aux].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:89:9: warning: unused variable 'j' [-Wunused-variable] int i, j; ^