foo.c: In function 'main':
foo.c:8:15: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
    8 |         while(n=1;Sn>k;n++)
      |               ^
foo.c:8:18: error: expected ')' before ';' token
    8 |         while(n=1;Sn>k;n++)
      |              ~   ^
      |                  )
foo.c:9:20: error: stray '\' in program
    9 |             Sn=Sn+1\n;
      |                    ^
foo.c:9:20: error: expected ';' before 'n'
    9 |             Sn=Sn+1\n;
      |                    ^~
      |                    ;

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