Compilare: main.cpp: In function 'void dijkstra()': main.cpp:16:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j=1;j<=n;j++) ^~~ main.cpp:27:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' vector<pair<int,int>>::iterator it; ^~~~~~ main.cpp:12:14: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized] long vmin,index,j,i; ^~~~~