foo.cc: In function 'int main()':
foo.cc:53:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",ch+1);d=read();
   ~~~~~^~~~~~~~~~~

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

正在同步测试数据，请稍后
{"receive":"2020-07-17T07:33:14.597Z","handle":"2020-07-17T07:33:14.597Z","cache_start":"2020-07-17T07:33:14.604Z","read_cases":"2020-07-17T07:33:15.061Z","judge":"2020-07-17T07:33:15.062Z","done":"2020-07-17T07:33:15.816Z"}