Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for(ll i = 0; i < (ll)(n); i++)
#define rep2(i, a, n) for(ll i = a; i < (ll)(n); i++)
#define memi cout << endl
#define kono(n) cout << fixed << setprecision(n)
#define all(c) (c).begin(), (c).end()
#define pb push_back
#define hina cout << ' '
#define in(n) cin >> n
#define in2(n, m) cin >> n >> m
#define in3(n, m, l) cin >> n >> m >> l
#define out(n) cout << n
const ll mei = (ll)1e9 + 7;

ll k, l;
vector<ll> x, y;
x.pb(1);
y.pb(1);
while(x * 6 < 100009)
  x.pb(x[x.size() - 1] * 6);
while(y * 9 < 100009)
  y.pb(y[y.size() - 1] * 9);

ll sakana(ll a){
  rep(i, x.size() - 1){
    if(a >= x[i] && a < x[i + 1])
      k = i;
    if(a >= y[i] && a < y[i + 1])
      l = i;
  }
  if(k == a || l == a)
    return 1;
  else
    return 1 + min(sakana(a - k, a - l));
}
  
int main(){
  ll n;
  in(n);
  out(sakana(n));
  memi;
}

Compiler output:
a.cc:19:1: error: 'x' does not name a type
   19 | x.pb(1);
      | ^
a.cc:20:1: error: 'y' does not name a type
   20 | y.pb(1);
      | ^
a.cc:21:1: error: expected unqualified-id before 'while'
   21 | while(x * 6 < 100009)
      | ^~~~~
a.cc:23:1: error: expected unqualified-id before 'while'
   23 | while(y * 9 < 100009)
      | ^~~~~
a.cc: In function 'll sakana(ll)':
a.cc:36:26: error: too many arguments to function 'll sakana(ll)'
   36 |     return 1 + min(sakana(a - k, a - l));
      |                    ~~~~~~^~~~~~~~~~~~~~
a.cc:26:4: note: declared here
   26 | ll sakana(ll a){
      |    ^~~~~~
a.cc:36:19: error: no matching function for call to 'min(ll)'
   36 |     return 1 + min(sakana(a - k, a - l));
      |                ~~~^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   template argument deduction/substitution failed:
a.cc:36:19: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   36 |     return 1 + min(sakana(a - k, a - l));
      |                ~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   candidate expects 2 arguments, 1 provided