foo.c: In function 'Min':
foo.c:2:5: warning: type of 'a1' defaults to 'int' [-Wimplicit-int]
    2 | int Min(a1,a2)
      |     ^~~
foo.c:2:5: warning: type of 'a2' defaults to 'int' [-Wimplicit-int]
foo.c: In function 'Max1':
foo.c:15:5: warning: type of 'h' defaults to 'int' [-Wimplicit-int]
   15 | int Max1(h,g)
      |     ^~~~
foo.c:15:5: warning: type of 'g' defaults to 'int' [-Wimplicit-int]

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