/in/foo.c: In function 'main':
/in/foo.c:11:6: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     {if(j%m==0)
      ^~
/in/foo.c:13:7: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
       n++;
       ^