foo.c: In function 'MoveLeft':
foo.c:24:13: warning: unused variable 'm' [-Wunused-variable]
   24 |         int m;
      |             ^
foo.c: In function 'main':
foo.c:12:20: warning: 'j' is used uninitialized [-Wuninitialized]
   12 |         for(int j;j<k;j++)
      |                   ~^~
foo.c:12:17: note: 'j' was declared here
   12 |         for(int j;j<k;j++)
      |                 ^

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