foo.cc: In function 'int main()':
foo.cc:30:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   30 |   for(int j=0;j<n;j++)
      |   ^~~
foo.cc:33:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   33 |    cout << endl;
      |    ^~~~

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