foo.cc: In function ‘int main()’:
foo.cc:11:30: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses]
   11 |                 if(s1=="Rock"&&s2=="Scissors"||s1=="Scissors"&&s2=="Paper"||s1=="Paper"&&s2=="Rock")
      |                    ~~~~~~~~~~^~~~~~~~~~~~~~~~
foo.cc:11:88: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses]
   11 |                 if(s1=="Rock"&&s2=="Scissors"||s1=="Scissors"&&s2=="Paper"||s1=="Paper"&&s2=="Rock")
      |                                                                             ~~~~~~~~~~~^~~~~~~~~~~~
foo.cc:13:39: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses]
   13 |                 else if(s1=="Scissors"&&s2=="Rock"||s1=="Paper"&&s2=="Scissors"||s1=="Rock"&&s2=="Paper")
      |                         ~~~~~~~~~~~~~~^~~~~~~~~~~~
foo.cc:13:92: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses]
   13 |                 else if(s1=="Scissors"&&s2=="Rock"||s1=="Paper"&&s2=="Scissors"||s1=="Rock"&&s2=="Paper")
      |                                                                                  ~~~~~~~~~~^~~~~~~~~~~~~