Compilare: main.cpp: In function 'void parcurgere(int)': main.cpp:13:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int t=0;t<nod[i].size();t++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:31:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=nr;i>=1;i--) ^~~ main.cpp:33:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~