foo.cc: In function 'int main()':
foo.cc:58:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s",s);
     ~~~~~^~~~~~~~

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":"2020-07-18T13:55:48.202Z","handle":"2020-07-18T13:55:48.202Z","cache_start":"2020-07-18T13:55:48.210Z","read_cases":"2020-07-18T13:55:48.814Z","judge":"2020-07-18T13:55:48.815Z","done":"2020-07-18T13:55:49.288Z"}