/in/foo.c: In function 'main':
/in/foo.c:20:2: warning: 'k' is used uninitialized in this function [-Wuninitialized]
  printf("%d",k);
  ^~~~~~~~~~~~~~
/in/foo.c:12:14: warning: array subscript is above array bounds [-Warray-bounds]
      a[i+1]=a[i];
             ~^~~
/in/foo.c:12:7: warning: array subscript is above array bounds [-Warray-bounds]
      a[i+1]=a[i];
      ~^~~~~
/in/foo.c:14:8: warning: array subscript is above array bounds [-Warray-bounds]
  if(A>a[i]&&A<a[i+1])
       ~^~~
/in/foo.c:14:16: warning: array subscript is above array bounds [-Warray-bounds]
  if(A>a[i]&&A<a[i+1])
               ~^~~~~
/in/foo.c:14:4: warning: 'a[200]' is used uninitialized in this function [-Wuninitialized]
  if(A>a[i]&&A<a[i+1])
    ^
/in/foo.c:17:5: warning: 'a[201]' may be used uninitialized in this function [-Wmaybe-uninitialized]
    A=t;}
    ~^~