foo.cc: In function 'int main()':
foo.cc:11:11: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   if(d=a-1)break;
           ^

自豪的采用 HydroJudger 进行评测(github.com/hydro-dev/HydroJudger)

{"receive":"2020-03-25T13:28:54.850Z","handle":"2020-03-25T13:28:54.850Z","cache_start":"2020-03-25T13:28:54.861Z","read_cases":"2020-03-25T13:28:54.979Z","judge":"2020-03-25T13:28:54.986Z","done":"2020-03-25T13:28:55.358Z"}