foo.c: In function 'searchland':
foo.c:12:26: warning: unused variable 'j1' [-Wunused-variable]
   12 |         int i,j,cnt=0,i1,j1;
      |                          ^~
foo.c:12:23: warning: unused variable 'i1' [-Wunused-variable]
   12 |         int i,j,cnt=0,i1,j1;
      |                       ^~

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