Compilare: main.cpp: In function 'int main()': main.cpp:27:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned int i=0;i<muchii;i++) ~^~~~~~~ main.cpp:34:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(unsigned int i=1;i<=noduri;i++) ~^~~~~~~~ main.cpp:36:7: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(!viz[i]) ^~ main.cpp:38:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' dfs(i); ^~~