foo.cc: In function 'long long int Dinic(long long int, long long int)':
foo.cc:124:11: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   while(k = DFS(st, ed, INF)) ans += k;
         ~~^~~~~~~~~~~~~~~~~~

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

{"receive":"2020-07-22T06:07:06.107Z","handle":"2020-07-22T06:07:06.107Z","cache_start":"2020-07-22T06:07:06.113Z","read_cases":"2020-07-22T06:07:06.228Z","judge":"2020-07-22T06:07:06.229Z","done":"2020-07-22T06:07:07.892Z"}