/in/foo.cc: In member function 'void bign::print()':
/in/foo.cc:22:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
         for(int i=len;i>=1;i--)printf("%lld",num[i]);printf("\n");
         ^~~
/in/foo.cc:22:54: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
         for(int i=len;i>=1;i--)printf("%lld",num[i]);printf("\n");
                                                      ^~~~~~