#ifdef NACHIA #define _GLIBCXX_DEBUG #else // disable assert #define NDEBUG #endif #include #include #include #include using namespace std; using ll = long long; const ll INF = 1ll << 60; #define REP(i,n) for(ll i=0; i using V = vector; template void chmax(A& l, const B& r){ if(l < r) l = r; } template void chmin(A& l, const B& r){ if(r < l) l = r; } #include #include namespace nachia{ // ax + by = gcd(a,b) // return ( x, - ) std::pair ExtGcd(long long a, long long b){ long long x = 1, y = 0; while(b){ long long u = a / b; std::swap(a-=b*u, b); std::swap(x-=y*u, y); } return std::make_pair(x, a); } } // namespace nachia namespace nachia{ template struct StaticModint{ private: using u64 = unsigned long long; unsigned int x; public: using my_type = StaticModint; template< class Elem > static Elem safe_mod(Elem x){ if(x < 0){ if(0 <= x+MOD) return x + MOD; return MOD - ((-(x+MOD)-1) % MOD + 1); } return x % MOD; } StaticModint() : x(0){} StaticModint(const my_type& a) : x(a.x){} StaticModint& operator=(const my_type&) = default; template< class Elem > StaticModint(Elem v) : x(safe_mod(v)){} unsigned int operator*() const { return x; } my_type& operator+=(const my_type& r) { auto t = x + r.x; if(t >= MOD) t -= MOD; x = t; return *this; } my_type operator+(const my_type& r) const { my_type res = *this; return res += r; } my_type& operator-=(const my_type& r) { auto t = x + MOD - r.x; if(t >= MOD) t -= MOD; x = t; return *this; } my_type operator-(const my_type& r) const { my_type res = *this; return res -= r; } my_type operator-() const noexcept { my_type res = *this; res.x = ((res.x == 0) ? 0 : (MOD - res.x)); return res; } my_type& operator*=(const my_type& r){ x = (u64)x * r.x % MOD; return *this; } my_type operator*(const my_type& r) const { my_type res = *this; return res *= r; } bool operator==(const my_type& r) const { return x == r.x; } my_type pow(unsigned long long i) const { my_type a = *this, res = 1; while(i){ if(i & 1){ res *= a; } a *= a; i >>= 1; } return res; } my_type inv() const { return my_type(ExtGcd(x, MOD).first); } unsigned int val() const { return x; } int hval() const { return int(x > MOD/2 ? x - MOD : x); } static constexpr unsigned int mod() { return MOD; } static my_type raw(unsigned int val) { auto res = my_type(); res.x = val; return res; } my_type& operator/=(const my_type& r){ return operator*=(r.inv()); } my_type operator/(const my_type& r) const { return operator*(r.inv()); } }; } // namespace nachia using Mint = nachia::StaticModint<998244353>; struct Dp { Mint cnt[2][10][10][10] = {}; Dp& operator+=(const Dp& r){ REP(i,2) REP(j,10) REP(k,10) REP(l,10) cnt[i][j][k][l] += r.cnt[i][j][k][l]; return *this; } Dp addDigit(ll l, ll r){ Dp nx; REP(i,2) REP(a,10) REP(b,10) REP(c,10) for(ll d=l; d<=r; d++){ nx.cnt[i | (b>c+d ? 1 : 0)][b][c][d] += cnt[i][a][b][c]; } return nx; } void addSingleDigit(ll l, ll r){ for(ll i=l; i<=r; i++) cnt[0][0][0][i] += 1; } }; ll wt[1001] = {}; void testcase(){ ll N; cin >> N; N += 1; REP(i,1000) wt[i] = INF; wt[1000] = 0; REP(a,10) REP(b,10) REP(c,10) if(a > b + c) wt[a * 100 + b * 10 + c] = 0; for(ll i=999; i>=0; i--) chmin(wt[i], wt[i+1] + 1); V digits; { ll n = N; while(n){ digits.push_back(n % 10); n /= 10; } } Dp lt, ex; ex.addSingleDigit(digits.back(), digits.back()); lt.addSingleDigit(1, digits.back()-1); digits.pop_back(); while(digits.size()){ ll d = digits.back(); digits.pop_back(); lt = lt.addDigit(0, 9); lt += ex.addDigit(0, d-1); lt.addSingleDigit(1, 9); ex = ex.addDigit(d, d); } // REP(a,10){ REP(b,10){ // REP(c,10){ // cout << lt.cnt[0][a][b][c].val() << " "; // } cout << " "; // } cout << endl; } cout << endl; Mint ans = Mint(N) * Mint(N-1) / 2; REP(i,2) REP(a,10) REP(b,10) REP(c,10) if(i == 0) ans += lt.cnt[i][a][b][c] * wt[a*100 + b*10 + c]; cout << ans.val() << "\n"; } int main(){ cin.tie(0)->sync_with_stdio(0); ll T; cin >> T; REP(t,T) testcase(); return 0; }