foo.cc: In function 'void init()':
foo.cc:59:28: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll*' {aka 'long long unsigned int*'} [-Wformat=]
   59 |                 scanf("%I64d",&n);
      |                        ~~~~^  ~~
      |                            |  |
      |                            |  ll* {aka long long unsigned int*}
      |                            int*
      |                        %I64lld
foo.cc:62:29: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll' {aka 'long long unsigned int'} [-Wformat=]
   62 |                 printf("%I64d\n",best);
      |                         ~~~~^    ~~~~
      |                             |    |
      |                             int  ll {aka long long unsigned int}
      |                         %I64lld
foo.cc: In function 'bool check(ll)':
foo.cc:34:1: warning: control reaches end of non-void function [-Wreturn-type]
   34 | }
      | ^

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