foo.c: In function 'main':
foo.c:14:21: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'int' [-Wformat=]
   14 |             scanf("%d",x[j]);
      |                    ~^  ~~~~
      |                     |   |
      |                     |   int
      |                     int *

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