/in/foo.c: In function 'main':
/in/foo.c:4:21: warning: unused variable 'count' [-Wunused-variable]
  int i,j,k,n1,n2,n3,count,flag;
                     ^~~~~
/in/foo.c: In function 'Fun':
/in/foo.c:28:12: warning: unused variable 'p' [-Wunused-variable]
  int m,n,q,p,count=1;
            ^