foo.cc: In function 'int main()':
foo.cc:75:9: error: expected '}' at end of input
 return 0;
         ^
foo.cc:55:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d%d%d", &t, &n, &d);
 ~~~~~^~~~~~~~~~~~~~~~~~~~~~
foo.cc:57:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d", a + i);
 ~~~~~^~~~~~~~~~~~~
foo.cc:62:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d%d", &x, &y);
 ~~~~~^~~~~~~~~~~~~~~~

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