foo.cc: In function 'int main()':
foo.cc:15:37: error: 'str' was not declared in this scope; did you mean 'std'?
   15 |   scanf("%s%s%d%s%d%s%c%s%c%s%d",&x,str,&a,str,&c,str,&d,str,&e,str,&b);
      |                                     ^~~
      |                                     std

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