/in/foo.c: In function 'main':
/in/foo.c:19:17: warning: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
    x[j]= x[j] + abs(a[i]-m);
                 ^~~
/in/foo.c:22:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(i=1; i<n; i++)
  ^~~
/in/foo.c:27:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   printf("%d\n",min);
   ^~~~~~
/in/foo.c:14:10: warning: unused variable 'k' [-Wunused-variable]
  int j,m,k;
          ^