foo.cc: In function 'int main()':
foo.cc:10:17: warning: unused variable 'now' [-Wunused-variable]
     int n,i,j,k,now,nx,ans=0;
                 ^~~
foo.cc:10:21: warning: unused variable 'nx' [-Wunused-variable]
     int n,i,j,k,now,nx,ans=0;
                     ^~

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":"2020-08-09T13:11:24.982Z","handle":"2020-08-09T13:11:24.982Z","cache_start":"2020-08-09T13:11:24.990Z","read_cases":"2020-08-09T13:11:25.396Z","judge":"2020-08-09T13:11:25.398Z","done":"2020-08-09T13:11:25.772Z"}