結果

問題 No.1085 桁和の桁和
ユーザー micheeeeell1001
提出日時 2020-06-20 23:15:47
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 42 ms / 2,000 ms
コード長 5,791 bytes
コンパイル時間 2,277 ms
コンパイル使用メモリ 199,624 KB
最終ジャッジ日時 2025-01-11 08:49:27
ジャッジサーバーID
(参考情報)
judge4 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 4
other AC * 35
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#ifdef LOCAL
#define _GLIBCXX_DEBUG
#endif
#include<bits/stdc++.h>
using namespace std;
#define rep(i,s,t) for(ll i = (ll)(s); i < (ll)(t); i++)
#define rrep(i,s,t) for(ll i = (ll)(s-1);(ll)(t) <= i; i--)
#define all(x) (x).begin(), (x).end()
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> Pll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<vvl> vvvl;
constexpr ll INF = numeric_limits<ll>::max()/4;
constexpr ll n_max = 2e5+10;
#define int ll
template <typename A, typename B>
string to_string(pair<A, B> p);
string to_string(const string &s) {return '"' + s + '"';}
string to_string(const char *c) {return to_string((string) c);}
string to_string(bool b) {return (b ? "true" : "false");}
template <size_t N>
string to_string(bitset<N> v){
string res = "";
for(size_t i = 0; i < N; i++) res += static_cast<char>('0' + v[i]);
return res;
}
template <typename A>
string to_string(A v) {
bool first = true;
string res = "{";
for(const auto &x : v) {
if(!first) res += ", ";
first = false;
res += to_string(x);
}
res += "}";
return res;
}
template <typename A, typename B>
string to_string(pair<A, B> p){return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";}
void debug_out() {cerr << endl;}
template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
cerr << " " << to_string(H);
debug_out(T...);
}
#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
template<class T>
bool chmax(T &a, T b){if(a < b){a = b; return true;} return false;}
template<class T>
bool chmin(T &a, T b){if(a > b){a = b; return true;} return false;}
template<std::int_fast64_t Modulus>
class modint {
using i64 = int_fast64_t;
public:
i64 a;
constexpr modint(const i64 x = 0) noexcept {
this -> a = x % Modulus;
if(a < 0){
a += Modulus;
}
}
constexpr int getmod() { return Modulus; }
constexpr modint operator - () const noexcept {
return a ? Modulus - a : 0;
}
constexpr const i64 &value() const noexcept {return a;}
constexpr modint operator+(const modint rhs) const noexcept {
return modint(*this) += rhs;
}
constexpr modint operator-(const modint rhs) const noexcept {
return modint(*this) -= rhs;
}
constexpr modint operator*(const modint rhs) const noexcept {
return modint(*this) *= rhs;
}
constexpr modint operator/(const modint rhs) const noexcept {
return modint(*this) /= rhs;
}
constexpr modint &operator+=(const modint rhs) noexcept {
a += rhs.a;
if(a >= Modulus) {
a -= Modulus;
}
return *this;
}
constexpr modint &operator-=(const modint rhs) noexcept {
if(a < rhs.a) {
a += Modulus;
}
a -= rhs.a;
return *this;
}
constexpr modint &operator*=(const modint rhs) noexcept {
a = a * rhs.a % Modulus;
return *this;
}
constexpr modint &operator/=(modint rhs) noexcept {
i64 a_ = rhs.a, b = Modulus, u = 1, v = 0;
while(b){
i64 t = a_/b;
a_ -= t * b; swap(a_,b);
u -= t * v; swap(u,v);
}
a = a * u % Modulus;
if(a < 0) a += Modulus;
return *this;
}
//
constexpr bool operator==(const modint rhs) noexcept {
return a == rhs.a;
}
constexpr bool operator!=(const modint rhs) noexcept {
return a != rhs.a;
}
constexpr bool operator>(const modint rhs) noexcept {
return a > rhs.a;
}
constexpr bool operator>=(const modint rhs) noexcept {
return a >= rhs.a;
}
constexpr bool operator<(const modint rhs) noexcept {
return a < rhs.a;
}
constexpr bool operator<=(const modint rhs) noexcept {
return a <= rhs.a;
}
constexpr modint& operator++() noexcept {
return (*this) += modint(1);
}
// constexpr modint operator++(int) {
// modint tmp(*this);
// operator++();
// return tmp;
// }
constexpr modint& operator--() noexcept {
return (*this) -= modint(1);
}
// constexpr modint operator--(int) {
// modint tmp(*this);
// operator--();
// return tmp;
// }
template<typename T>
friend constexpr modint modpow(const modint &mt, T n) noexcept {
if(n < 0){
modint t = (modint(1) / mt);
return modpow(t, -n);
}
modint res = 1, tmp = mt;
while(n){
if(n & 1)res *= tmp;
tmp *= tmp;
n /= 2;
}
return res;
}
};
const ll MOD = 1e9+7;
using mint = modint<MOD>;
//
std::ostream &operator<<(std::ostream &out, const modint<MOD> &m) {
out << m.a;
return out;
}
std::istream &operator>>(std::istream &in, modint<MOD> &m) {
ll a;
in >> a;
m = mint(a);
return in;
}
string to_string(mint m){
return to_string(m.a);
}
signed main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
string s;cin >> s;
ll d; cin >> d;
ll n = s.size();
vector dp(n+1, vector<mint>(10));
dp[0][0] = 1;
bool zero = true;
rep(i,0,n){
ll t = s[i] - '0';
if(t >= 0 && t <= 9){
zero &= t == 0;
}
rep(j,0,10){
if(t >= 0 && t <= 9){
dp[i+1][(j + t - 1) % 9 + 1] += dp[i][j];
}
else{
rep(k,0,10){
dp[i+1][(j + k - 1) % 9 + 1] += dp[i][j];
}
}
}
}
debug(dp);
cout << dp[n][d] << endl;
}
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