foo.cc: In function 'void solve()':
foo.cc:12:5: error: 'array' was not declared in this scope
   12 |     array<int,2> dir8[] = {
      |     ^~~~~
foo.cc:2:1: note: 'std::array' is defined in header '<array>'; did you forget to '#include <array>'?
    1 | #include<iostream>
  +++ |+#include <array>
    2 | using namespace std;
foo.cc:12:11: error: expected primary-expression before 'int'
   12 |     array<int,2> dir8[] = {
      |           ^~~
foo.cc:23:5: error: 'dp' was not declared in this scope; did you mean 'd'?
   23 |     dp[a][b][0] = 1;
      |     ^~
      |     d
foo.cc:30:29: error: 'dir8' was not declared in this scope
   30 |                 for(auto _: dir8)
      |                             ^~~~
foo.cc:33:31: error: 'y1' was not declared in this scope; did you mean 'x1'?
   33 |                     if(ok(x1, y1))
      |                               ^~
      |                               x1
foo.cc:42:5: error: 'Mint' was not declared in this scope; did you mean 'uint'?
   42 |     Mint ans = 0;
      |     ^~~~
      |     uint
foo.cc:43:27: error: 'ans' was not declared in this scope; did you mean 'abs'?
   43 |     for(int i=1;i<=k;i++) ans += dp[c][d][i];
      |                           ^~~
      |                           abs
foo.cc:44:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   44 |     cout<<ans<<'\n';
      |           ^~~
      |           abs

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