foo.cc: In function 'int main()':
foo.cc:22:13: warning: unused variable 'l' [-Wunused-variable]
     int n,i,l,r,m,x,y;
             ^
foo.cc:22:15: warning: unused variable 'r' [-Wunused-variable]
     int n,i,l,r,m,x,y;
               ^
foo.cc:22:17: warning: unused variable 'm' [-Wunused-variable]
     int n,i,l,r,m,x,y;
                 ^

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":"2020-07-11T03:49:57.563Z","handle":"2020-07-11T03:49:57.563Z","cache_start":"2020-07-11T03:49:57.571Z","read_cases":"2020-07-11T03:50:03.303Z","judge":"2020-07-11T03:50:03.304Z","done":"2020-07-11T03:50:04.807Z"}