/in/foo.c: In function 'main':
/in/foo.c:32:8: warning: statement with no effect [-Wunused-value]
   for(j==1;j<=33;j++) {
       ~^~~
/in/foo.c:60:20: warning: iteration 9 invokes undefined behavior [-Waggressive-loop-optimizations]
    printf("%c",a[i][j]);
                ~~~~^~~
/in/foo.c:59:3: note: within this loop
   for(j=1;j<=33;j++)
   ^~~
/in/foo.c:9:11: warning: iteration 9 invokes undefined behavior [-Waggressive-loop-optimizations]
    a[i][j]=' ';
    ~~~~~~~^~~~
/in/foo.c:8:3: note: within this loop
   for(j=1;j<=33;j++)
   ^~~