View Compilation Error

0_0_37824388_22784.cpp: In instantiation of 'mf_graph<CapacityType>::cap_type mf_graph<CapacityType>::flow(int, int, const cap_type&) [with CapacityType = int; mf_graph<CapacityType>::cap_type = int]':
0_0_37824388_22784.cpp:68:58:   required from 'mf_graph<CapacityType>::cap_type mf_graph<CapacityType>::flow(int, int) [with CapacityType = int; mf_graph<CapacityType>::cap_type = int]'
0_0_37824388_22784.cpp:116:24:   required from here
0_0_37824388_22784.cpp:92:52: error: invalid use of 'auto'
         while (bfs(s, t)) res += dfs(dfs, s, t, inf);
                                                    ^