Compilare: main.cpp: In function 'void dfs(int, int&)': main.cpp:29:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ;i < l[x].size(); i++) ~~^~~~~~~~~~~~~ main.cpp: In function 'int dijkstra()': main.cpp:42:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 1; i <= n; i++) ^~~ main.cpp:46:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' d[1][1] = 0; ^ main.cpp:55:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < l[nod].size(); i++) ~~^~~~~~~~~~~~~~~ main.cpp:82:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i = 1; i <= n; i++) ^~~ main.cpp:84:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return rez; ^~~~~~