foo.cc: In function 'int search(int*, int, int)':
foo.cc:11:1: error: a function-definition is not allowed here before '{' token
   11 | {
      | ^
foo.cc:31:1: error: expected '}' at end of input
   31 | }
      | ^
foo.cc:3:32: note: to match this '{'
    3 | int search(int a[],int n,int x){
      |                                ^

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