foo.cc: In function 'int main()':
foo.cc:11:8: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   11 |  if(b^3+c^3+d^3==a)
      |       ~^~
foo.cc:11:12: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   11 |  if(b^3+c^3+d^3==a)
      |           ~^~
foo.cc:11:16: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
   11 |  if(b^3+c^3+d^3==a)
      |               ~^~~

[Hydro](https://hydro.ac)提供评测服务