foo.cc: In function 'int main()':
foo.cc:12:15: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   12 |  if(a==3||a<10&&a!=2)
      |           ~~~~^~~~~~
foo.cc:20:14: error: invalid operands of types 'const char [5]' and 'int' to binary 'operator&'
   20 |  scanf("%.2f"&b);
      |        ~~~~~~^~
      |        |      |
      |        |      int
      |        const char [5]

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