/in/foo.cc: In function 'int main()':
/in/foo.cc:13:42: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   13 |                                 if(i>>j&1==1)
      |                                         ~^~~
/in/foo.cc:11:29: warning: unused variable 't' [-Wunused-variable]
   11 |                         int t=0,sum=0;
      |                             ^
/in/foo.cc:11:33: warning: unused variable 'sum' [-Wunused-variable]
   11 |                         int t=0,sum=0;
      |                                 ^~~