foo.cc: In function 'int inPut(int*, int)':
foo.cc:9:1: warning: no return statement in function returning non-void [-Wreturn-type]
    9 | }
      | ^
foo.cc: In function 'int outPut(int*, int)':
foo.cc:16:1: warning: no return statement in function returning non-void [-Wreturn-type]
   16 | }
      | ^

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