#if !__INCLUDE_LEVEL__ #include __FILE__ void solve(){ ll H,A; cin>>H>>A; ll score=0,pow=1; while(H!=0){ H/=A; score+=pow; pow*=2; } cout< #include using namespace std; using namespace atcoder; #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #define FOR(i,l,r) for(int i=(l);i<(r);++i) #define rep(i,n) FOR(i,0,n) using ll = long long; using ull = unsigned long long; using pii = pair; using pll = pair; using vi = vector; using vs = vector; using vll = vector; #define pf push_front #define pb push_back #define mp make_pair #define fi first #define se second #define sz(x) ((int)x.size()) #define pqueue priority_queue #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() int dx[4] = {1, 0, -1, 0}; int dy[4] = {0, 1, 0, -1}; #define INF (1<<30)-1 #define INFLL (1LL<<60)-1 #define pcnt __builtin_popcount #define bit(n) (1LL<<(n)) #define UNIQUE(v) v.erase(unique(v.begin(),v.end()),v.end()); template void out(T vec){for(int c:vec)cout< bool chmax(T &a,const T& b){if(a bool chmin(T &a,const T& b){if(a>b){a=b;return true;}return false;} void solve(); // const int mod = ; // using mint = modint998244353; // using mint = modint1000000007; #ifdef LOCAL # include # define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define debug(...) (static_cast(0)) #endif int main(){ cin.tie(0); ios::sync_with_stdio(0); cout<