foo.c: In function 'FindSecondMax':
foo.c:4:25: warning: unused variable 'j' [-Wunused-variable]
    4 |         int max1,max2,i,j,cnt=0,sum=2,p;
      |                         ^
foo.c:45:9: warning: 'p' may be used uninitialized [-Wmaybe-uninitialized]
   45 |         printf("%d ",p);
      |         ^~~~~~~~~~~~~~~
foo.c:4:39: note: 'p' was declared here
    4 |         int max1,max2,i,j,cnt=0,sum=2,p;
      |                                       ^

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