結果
問題 | No.1407 Kindness |
ユーザー |
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提出日時 | 2021-02-26 23:03:44 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 4 ms / 2,000 ms |
コード長 | 4,345 bytes |
コンパイル時間 | 1,772 ms |
コンパイル使用メモリ | 171,328 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-02 15:51:55 |
合計ジャッジ時間 | 2,862 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 36 |
ソースコード
#include <bits/stdc++.h>//#include <chrono>//#pragma GCC optimize("Ofast")using namespace std;#define reps(i,s,n) for(int i = s; i < n; i++)#define rep(i,n) reps(i,0,n)#define Rreps(i,n,e) for(int i = n - 1; i >= e; --i)#define Rrep(i,n) Rreps(i,n,0)#define ALL(a) a.begin(), a.end()using ll = long long;using vec = vector<ll>;using mat = vector<vec>;ll N,M,H,W,Q,K,A,B;string S;using P = pair<ll, ll>;const ll INF = (1LL<<60);template<class T> bool chmin(T &a, const T b){if(a > b) {a = b; return true;}else return false;}template<class T> bool chmax(T &a, const T b){if(a < b) {a = b; return true;}else return false;}template<class T> void my_printv(std::vector<T> v,bool endline = true){if(!v.empty()){for(std::size_t i{}; i<v.size()-1; ++i) std::cout<<v[i]<<" ";std::cout<<v.back();}if(endline) std::cout<<std::endl;}template <unsigned long long mod > class modint{public:ll x;constexpr modint(){x = 0;}constexpr modint(ll _x) : x((_x < 0 ? ((_x += (LLONG_MAX / mod) * mod) < 0 ? _x + (LLONG_MAX / mod) * mod : _x) : _x)%mod){}constexpr modint set_raw(ll _x){//_x in [0, mod)x = _x;return *this;}constexpr modint operator-(){return x == 0 ? 0 : mod - x;}constexpr modint& operator+=(const modint& a){if((x += a.x) >= mod) x -= mod;return *this;}constexpr modint operator+(const modint& a) const{return modint(*this) += a;}constexpr modint& operator-=(const modint& a){if((x -= a.x) < 0) x += mod;return *this;}constexpr modint operator-(const modint& a) const{return modint(*this) -= a;}constexpr modint& operator*=(const modint& a){(x *= a.x)%=mod;return *this;}constexpr modint operator*(const modint& a) const{return modint(*this) *= a;}constexpr modint pow(unsigned long long pw) const{modint res(1), comp(*this);while(pw){if(pw&1) res *= comp;comp *= comp;pw >>= 1;}return res;}//以下、modが素数のときのみconstexpr modint inv() const{if(x == 2) return (mod + 1) >> 1;return modint(*this).pow(mod - 2);}constexpr modint& operator/=(const modint &a){(x *= a.inv().x)%=mod;return *this;}constexpr modint operator/(const modint &a) const{return modint(*this) /= a;}constexpr bool sqrt(bool find_mini = false) {if(x == 0) return true;modint jge = this->pow((mod - 1)>>1);if(jge.x + 1 == mod) return false;if((mod&3) == 3){*this = this->pow((mod + 1)>>2);}else{int m = 0;modint c, t;if(mod == 998244353){m = 23; c = 15311432; t = this->pow(119);*this = this->pow(60);}else{ll q = mod - 1;modint z = 2;while(!(q&1)){q>>=1; ++m;}while(z.pow((mod-1)>>1).x == 1) z += 1;c = z.pow(q); t = this->pow(q);*this = this->pow((q+1)>>1);}while(t.x != 1){modint cpy_t = t;int pw = m;while(cpy_t.x != 1){--pw; cpy_t *= cpy_t;}rep(i, pw-1) c *= c;(*this) *= c;c *= c;t *= c;m -= pw;}}if(find_mini) this->x = min(this->x, (ll)mod - this->x);return true;}};#define mod2 1000000007using mint = modint<mod2>;ostream& operator<<(ostream& os, const mint& a){os << a.x;return os;}using vm = vector<mint>;int main(){cin.tie(nullptr);ios::sync_with_stdio(false);cin>>S;N = S.size();vm fpw(N), sum(10);fpw[0] = 1;reps(i, 1, N) fpw[i] = fpw[i-1] * 45;sum[0] = 0;reps(i, 1, 10) sum[i] = sum[i-1] + i;mint res = accumulate(fpw.begin() + 1, fpw.end(), mint(0)), now(1);rep(i, N){if(S[i] == '0') break;res += now * sum[S[i] - '1'] * fpw[N - 1 - i];now *= (S[i] - '0');}if(*min_element(ALL(S)) != '0') res += now;cout<<res<<endl;}