foo.cc: In function ‘int main()’:
foo.cc:9:17: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
    9 |                 for(int j=0;j<n;j++)
      |                 ^~~
foo.cc:11:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   11 |                         cout<<endl;
      |                         ^~~~