foo.c: In function 'main':
foo.c:18:13: error: 'else' without a previous 'if'
   18 |             else if(max=a[i])
      |             ^~~~
foo.c:18:27: error: 'i' undeclared (first use in this function)
   18 |             else if(max=a[i])
      |                           ^
foo.c:18:27: note: each undeclared identifier is reported only once for each function it appears in

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