foo.cc: In function 'int main()':
foo.cc:12:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("medic.in","r",stdin);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
foo.cc:13:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("medic.out","w",stdout);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

正在同步测试数据，请稍后
自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。