View Compilation Error

0_0_39080069_3244.cpp: In function 'void solve()':
0_0_39080069_3244.cpp:42:37: error: conversion from 'solve()::<lambda(int, int)>' to non-scalar type 'std::function<bool(int, int)>' requested
   42 |     function<bool(int, int)> dfs1 = [&](int x, int y) {
      |                                     ^~~~~~~~~~~~~~~~~~~
   43 |         return;
      |         ~~~~~~~                      
   44 |     };
      |     ~                                
0_0_39080069_3244.cpp:45:37: error: conversion from 'solve()::<lambda(int, int)>' to non-scalar type 'std::function<bool(int, int)>' requested
   45 |     function<bool(int, int)> dfs2 = [&](int x, int y) {
      |                                     ^~~~~~~~~~~~~~~~~~~
   46 |         return;
      |         ~~~~~~~                      
   47 |     };
      |     ~