foo.c: In function 'main':
foo.c:9:16: warning: 'n' is used uninitialized [-Wuninitialized]
    9 |         while(m<=n){
      |               ~^~~
foo.c:12:15: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized]
   12 |              m++;}
      |              ~^~

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