View Compilation Error

0_0_35533794_12392.cpp: In function 'int main()':
0_0_35533794_12392.cpp:50:10: error: invalid use of 'auto'
         });
          ^
0_0_35533794_12392.cpp: In instantiation of 'main()::<lambda(auto:1&&, int, int, int, auto:2&&)> [with auto:1 = main()::<lambda(auto:1&&, int, int, int, auto:2&&)>&; auto:2 = main()::<lambda(int, int)>]':
0_0_35533794_12392.cpp:50:10:   required from here
0_0_35533794_12392.cpp:43:83: error: invalid use of 'auto'
                 self(self, dep + 1, val, mu * (i > 1 ? 0 : (i == 1 ? -1: 1)), func);
                                                                                   ^