Compilare: user.cpp: In function ‘int main()’: user.cpp:15:9: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation] while ( a != 0 && b != 0 ) ^~~~~ user.cpp:20:13: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘while’ if( a != 0 ) ^~