foo.cc: In function 'int main()':
foo.cc:14:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
foo.cc:16:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%s",&a,&b,s);b++;  
         ~~~~~^~~~~~~~~~~~~~~~~~

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":"2020-07-02T02:57:29.986Z","handle":"2020-07-02T02:57:29.986Z","cache_start":"2020-07-02T02:57:29.994Z","read_cases":"2020-07-02T02:57:30.431Z","judge":"2020-07-02T02:57:30.432Z","done":"2020-07-02T02:57:31.061Z"}