foo.cc: In function 'int main()':
foo.cc:31:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(Reverse(n)==1)
   ^~
foo.cc:33:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    cout<<n<<" ";
    ^~~~
foo.cc:27:8: warning: unused variable 'space' [-Wunused-variable]
  int N,space=0;
        ^~~~~

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