foo.cc: In function 'int print(int)':
foo.cc:9:1: warning: no return statement in function returning non-void [-Wreturn-type]
    9 | }
      | ^
foo.cc:5:5: warning: infinite recursion detected [-Winfinite-recursion]
    5 | int print(int nw)
      |     ^~~~~
foo.cc:7:20: note: recursive call
    7 |     if(bf[nw])print(bf[nw]);
      |               ~~~~~^~~~~~~~

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