/in/foo.cc: In function 'int main()':
/in/foo.cc:5:78: warning: second operand of conditional expression has no effect [-Wunused-value]
    5 |     std::cin>>t;for(int i=1;i<=t;i++){std::cin>>p[i];std::cout<<(p[i]>20)?p[i]:'R';}
      |                                                                           ~~~^
/in/foo.cc:5:83: warning: third operand of conditional expression has no effect [-Wunused-value]
    5 |     std::cin>>t;for(int i=1;i<=t;i++){std::cin>>p[i];std::cout<<(p[i]>20)?p[i]:'R';}
      |                                                                                   ^