foo.cc: In function 'int main()':
foo.cc:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s1);
  ~~~~~^~~~~~~~~
foo.cc:23:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s2);
  ~~~~~^~~~~~~~~
foo.cc: In function 'void finds(int, int, int, int)':
foo.cc:12:6: warning: 't' may be used uninitialized in this function [-Wmaybe-uninitialized]
  int t;
      ^

自豪的采用 HydroJudge 进行评测(github.com/hydro-dev/HydroJudge)

{"receive":"2020-08-15T14:17:00.457Z","handle":"2020-08-15T14:17:00.460Z","done":"2020-08-15T14:17:02.733Z"}