foo.c: In function 'main':
foo.c:6:23: warning: format '%lld' expects argument of type 'long long int *', but argument 3 has type 'int *' [-Wformat=]
    6 |         scanf("%lf %lld",&x,&k);
      |                    ~~~^     ~~
      |                       |     |
      |                       |     int *
      |                       long long int *
      |                    %d

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