foo.c: In function 'main':
foo.c:7:12: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'long long int *' [-Wformat=]
    7 |  scanf("%f%d",&x,&k);
      |           ~^     ~~
      |            |     |
      |            int * long long int *
      |           %lld
foo.c:7:2: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]
    7 |  scanf("%f%d",&x,&k);
      |  ^~~~~~~~~~~~~~~~~~~

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