foo.cc: In function 'int main()':
foo.cc:81:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
foo.cc:84:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",s);
         ~~~~~^~~~~~~~
foo.cc:88:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&q);
     ~~~~~^~~~~~~~~
foo.cc:91:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&op);
         ~~~~~^~~~~~~~~~
foo.cc:94:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%s",s);
             ~~~~~^~~~~~~~
foo.cc:99:18: 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":"2020-07-25T14:44:51.136Z","handle":"2020-07-25T14:44:51.136Z","cache_start":"2020-07-25T14:44:51.144Z","read_cases":"2020-07-25T14:44:52.733Z","judge":"2020-07-25T14:44:52.734Z","done":"2020-07-25T14:45:01.405Z"}