/in/foo.cc: In function 'int main()':
/in/foo.cc:23:20: warning: init-statement in selection statements only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
   23 |                 if(i==1||j==1||i==x;||j==y)
      |                    ^
/in/foo.cc:23:30: warning: statement has no effect [-Wunused-value]
   23 |                 if(i==1||j==1||i==x;||j==y)
      |                    ~~~~~~~~~~^~~~~~
/in/foo.cc:23:37: error: expected primary-expression before '||' token
   23 |                 if(i==1||j==1||i==x;||j==y)
      |                                     ^~