Compilare: main.cpp: In function 'void afisare()': main.cpp:50:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=p;i++) ^~~ main.cpp:52:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<"\n"; ^ main.cpp: In function 'int main()': main.cpp:68:19: warning: operation on 'k' may be undefined [-Wsequence-point] cout<<++k<<"-->"<<valid(k)<<endl; ^~~