Compilare: user.cpp: In function ‘bool cupleaza(int)’: user.cpp:15:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<g[nod].size(); ++i) ~^~~~~~~~~~~~~~ user.cpp:23:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<g[nod].size(); ++i) ~^~~~~~~~~~~~~~ user.cpp:23:3: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for (int i=0; i<g[nod].size(); ++i) ^~~ user.cpp:30:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ return 0; ^~~~~~