foo.cc: In function 'int main()':
foo.cc:133:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     n=read();m=read();scanf("%s",useless_type);
                       ~~~~~^~~~~~~~~~~~~~~~~~~

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":"2020-07-11T08:51:47.982Z","handle":"2020-07-11T08:51:47.982Z","cache_start":"2020-07-11T08:51:47.991Z","read_cases":"2020-07-11T08:52:03.538Z","judge":"2020-07-11T08:52:03.539Z","done":"2020-07-11T08:52:08.858Z"}