foo.cc: In function 'int main()':
foo.cc:62:16: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[64]' [-Wformat=]
  scanf("%s",&ru);
             ~~~^
foo.cc: In function 'int c2ib(char)':
foo.cc:54:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
foo.cc: In function 'int main()':
foo.cc:61:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&jz);
  ~~~~~^~~~~~~~~~
foo.cc:62:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",&ru);
  ~~~~~^~~~~~~~~~

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