View Compilation Error

0_0_39294724_8435.cpp: In function 'void solve()':
0_0_39294724_8435.cpp:40:27: error: no match for call to '(solve()::<lambda(int)>) (__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type&, __gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type&)'
   40 |             dp[i][j] = add(dp[i][j], dp[i - 1][j]);
      |                        ~~~^~~~~~~~~~~~~~~~~~~~~~~~
0_0_39294724_8435.cpp:17:16: note: candidate: 'solve()::<lambda(int)>'
   17 |     auto add = [&](int a) -> int {
      |                ^
0_0_39294724_8435.cpp:17:16: note:   candidate expects 1 argument, 2 provided