/in/foo.c: In function 'main':
/in/foo.c:4:18: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int n,j,q,x,i,m,k;
                  ^
/in/foo.c:29:3: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
   printf("%d",m);
   ^~~~~~~~~~~~~~