/in/foo.c: In function 'main':
/in/foo.c:16:25: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations]
   16 |                         printf("%d",b[i][j]);}
      |                         ^~~~~~~~~~~~~~~~~~~~
/in/foo.c:15:30: note: within this loop
   15 |                 for(int j=0;j<3;j++){
      |                             ~^~
/in/foo.c:16:25: warning: 'b' is used uninitialized [-Wuninitialized]
   16 |                         printf("%d",b[i][j]);}
      |                         ^~~~~~~~~~~~~~~~~~~~
/in/foo.c:4:13: note: 'b' declared here
    4 |         int b[3][2];
      |             ^