Compilare: main.cpp: In function 'void dfs(int)': main.cpp:17:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ;i < muchii[nodinceput].size() ;i++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:41:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (vizitat[i] != 0) ^~ main.cpp:43:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' cnt++; ^~~