View Compilation Error

0_0_39648456_12217.cpp:137:5: error: deduction guide for 'MaxFlow<T>' must have trailing return type
  137 |     MaxFlow(int n) {
      |     ^~~~~~~
0_0_39648456_12217.cpp:10:8: note: 'template<class T> struct MaxFlow' declared here
   10 | struct MaxFlow
      |        ^~~~~~~