foo.cc: In function 'int main()':
foo.cc:44:33: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     printf("%d %d\n", ansx, ansy);
                                 ^
foo.cc:44:33: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=]
foo.cc:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
foo.cc:17:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%lld%lld", &xx, &yy, &k, &p);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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