foo.cc: In function 'int main()':
foo.cc:29:13: error: expected '}' at end of input
   29 |     return 0;
      |             ^
foo.cc:16:11: note: to match this '{'
   16 | int main(){
      |           ^
foo.cc:19:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |         scanf("%d",&i);
      |         ~~~~~^~~~~~~~~

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