foo.cc: In function 'int main()':
foo.cc:11:7: warning: unused variable 'count' [-Wunused-variable]
   int count = 1;
       ^~~~~
foo.cc:10:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &t);
   ~~~~~^~~~~~~~~~
foo.cc:15:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~
foo.cc:18:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &dp[i][j]);
         ~~~~~^~~~~~~~~~~~~~~~~

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

{"receive":"2020-08-08T07:54:27.269Z","handle":"2020-08-08T07:54:27.269Z","cache_start":"2020-08-08T07:54:27.276Z","read_cases":"2020-08-08T07:54:27.400Z","judge":"2020-08-08T07:54:27.401Z","done":"2020-08-08T07:54:27.996Z"}