foo.cc: In function 'int isin(int*, int, int)':
foo.cc:5:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    5 |  for(int i=0;i<al;i++)if(a[i]==n)return 1;return 0;
      |  ^~~
foo.cc:5:43: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
    5 |  for(int i=0;i<al;i++)if(a[i]==n)return 1;return 0;
      |                                           ^~~~~~

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