foo.cc: In function 'int main()':
foo.cc:139:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
foo.cc:142:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
         ~~~~~^~~~~~~~~~

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":"2020-07-10T10:38:32.099Z","handle":"2020-07-10T10:38:32.099Z","cache_start":"2020-07-10T10:38:32.107Z","read_cases":"2020-07-10T10:38:33.449Z","judge":"2020-07-10T10:38:33.449Z","done":"2020-07-10T10:38:44.830Z"}