/in/foo.cc: In function 'int main()':
/in/foo.cc:8:19: error: invalid operands of types 'const char [10]' and 'int' to binary 'operator&'
  scanf("%d,%d,%d,"&x,&y,&z);
        ~~~~~~~~~~~^~
/in/foo.cc:10:21: warning: format '%f' expects a matching 'double' argument [-Wformat=]
  printf("%.2f,price");
                     ^