foo.c: In function 'Setlnter':
foo.c:23:17: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   23 |                 if(k==-1)
      |                 ^~
foo.c:25:25: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   25 |                         s[n++]=a1[i];
      |                         ^

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