結果
問題 | No.2017 Mod7 Parade |
ユーザー | asaringo |
提出日時 | 2023-11-13 00:16:48 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,050 ms / 2,000 ms |
コード長 | 12,876 bytes |
コンパイル時間 | 3,241 ms |
コンパイル使用メモリ | 235,388 KB |
実行使用メモリ | 11,904 KB |
最終ジャッジ日時 | 2024-09-26 03:08:23 |
合計ジャッジ時間 | 16,589 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 811 ms
9,984 KB |
testcase_04 | AC | 544 ms
7,680 KB |
testcase_05 | AC | 402 ms
6,528 KB |
testcase_06 | AC | 893 ms
10,624 KB |
testcase_07 | AC | 110 ms
5,376 KB |
testcase_08 | AC | 507 ms
7,424 KB |
testcase_09 | AC | 194 ms
5,376 KB |
testcase_10 | AC | 513 ms
7,552 KB |
testcase_11 | AC | 708 ms
9,216 KB |
testcase_12 | AC | 625 ms
8,320 KB |
testcase_13 | AC | 1,033 ms
11,776 KB |
testcase_14 | AC | 1,034 ms
11,904 KB |
testcase_15 | AC | 1,050 ms
11,776 KB |
testcase_16 | AC | 1,032 ms
11,776 KB |
testcase_17 | AC | 1,033 ms
11,776 KB |
testcase_18 | AC | 1,017 ms
11,776 KB |
testcase_19 | AC | 222 ms
11,776 KB |
testcase_20 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define overload2(a, b, c, ...) c #define overload3(a, b, c, d, ...) d #define overload4(a, b, c, d, e ...) e #define overload5(a, b, c, d, e, f ...) f #define overload6(a, b, c, d, e, f, g ...) g #define fast_io ios::sync_with_stdio(false); cin.tie(nullptr); #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math") typedef long long ll; typedef long double ld; #define chmin(a,b) a = min(a,b); #define chmax(a,b) a = max(a,b); #define bit_count(x) __builtin_popcountll(x) #define leading_zero_count(x) __builtin_clz(x) #define trailing_zero_count(x) __builtin_ctz(x) #define gcd(a,b) __gcd(a,b) #define lcm(a,b) a / gcd(a,b) * b #define rep(...) overload3(__VA_ARGS__, rrep, rep1)(__VA_ARGS__) #define rep1(i,n) for(int i = 0 ; i < n ; i++) #define rrep(i,a,b) for(int i = a ; i < b ; i++) #define repi(it,S) for(auto it = S.begin() ; it != S.end() ; it++) #define pt(a) cout << a << endl; #define print(...) printall(__VA_ARGS__); #define debug(a) cout << #a << " " << a << endl; #define all(a) a.begin(), a.end() #define endl "\n"; #define v1(T,n,a) vector<T>(n,a) #define v2(T,n,m,a) vector<vector<T>>(n,v1(T,m,a)) #define v3(T,n,m,k,a) vector<vector<vector<T>>>(n,v2(T,m,k,a)) #define v4(T,n,m,k,l,a) vector<vector<vector<vector<T>>>>(n,v3(T,m,k,l,a)) template<typename T,typename U>istream &operator>>(istream&is,pair<T,U>&p){is>>p.first>>p.second;return is;} template<typename T,typename U>ostream &operator<<(ostream&os,const pair<T,U>&p){os<<p.first<<" "<<p.second;return os;} template<typename T>istream &operator>>(istream&is,vector<T>&v){for(T &in:v){is>>in;}return is;} template<typename T>ostream &operator<<(ostream&os,const vector<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;} template<typename T>istream &operator>>(istream&is,vector<vector<T>>&v){for(T &in:v){is>>in;}return is;} template<typename T>ostream &operator<<(ostream&os,const vector<vector<T>>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?"\n":"");}return os;} template<typename T>ostream &operator<<(ostream&os,const set<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;} template<typename T>ostream &operator<<(ostream&os,const multiset<T>&v){for(auto it=v.begin();it!=v.end();){os<<*it<<((++it)!=v.end()?" ":"");}return os;} template<class... Args> void printall(Args... args){for(auto i:initializer_list<common_type_t<Args...>>{args...}) cout<<i<<" ";cout<<endl;} const int mod = 1000000007 ; template< int mod > struct ModInt { int x; ModInt() : x(0) {} ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} ModInt &operator+=(const ModInt &p) { if((x += p.x) >= mod) x -= mod; return *this; } ModInt &operator-=(const ModInt &p) { if((x += mod - p.x) >= mod) x -= mod; return *this; } ModInt &operator*=(const ModInt &p) { x = (int) (1LL * x * p.x % mod); return *this; } ModInt &operator/=(const ModInt &p) { *this *= p.inverse(); return *this; } ModInt operator-() const { return ModInt(-x); } ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; } ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; } ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; } ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; } bool operator==(const ModInt &p) const { return x == p.x; } bool operator!=(const ModInt &p) const { return x != p.x; } ModInt inverse() const { int a = x, b = mod, u = 1, v = 0, t; while(b > 0) { t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); } return ModInt(u); } ModInt pow(int64_t n) const { ModInt ret(1), mul(x); while(n > 0) { if(n & 1) ret *= mul; mul *= mul; n >>= 1; } return ret; } friend ostream &operator<<(ostream &os, const ModInt &p) { return os << p.x; } friend istream &operator>>(istream &is, ModInt &a) { int64_t t; is >> t; a = ModInt< mod >(t); return (is); } static int get_mod() { return mod; } }; using modint = ModInt< mod >; const int mod2 = 7 ; template< int mod2 > struct ModInt2 { int x; ModInt2() : x(0) {} ModInt2(int64_t y) : x(y >= 0 ? y % mod2 : (mod2 - (-y) % mod2) % mod2) {} ModInt2 &operator+=(const ModInt2 &p) { if((x += p.x) >= mod2) x -= mod2; return *this; } ModInt2 &operator-=(const ModInt2 &p) { if((x += mod2 - p.x) >= mod2) x -= mod2; return *this; } ModInt2 &operator*=(const ModInt2 &p) { x = (int) (1LL * x * p.x % mod2); return *this; } ModInt2 &operator/=(const ModInt2 &p) { *this *= p.inverse(); return *this; } ModInt2 operator-() const { return ModInt2(-x); } ModInt2 operator+(const ModInt2 &p) const { return ModInt2(*this) += p; } ModInt2 operator-(const ModInt2 &p) const { return ModInt2(*this) -= p; } ModInt2 operator*(const ModInt2 &p) const { return ModInt2(*this) *= p; } ModInt2 operator/(const ModInt2 &p) const { return ModInt2(*this) /= p; } bool operator==(const ModInt2 &p) const { return x == p.x; } bool operator!=(const ModInt2 &p) const { return x != p.x; } ModInt2 inverse() const { int a = x, b = mod2, u = 1, v = 0, t; while(b > 0) { t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); } return ModInt2(u); } ModInt2 pow(int64_t n) const { ModInt2 ret(1), mul(x); while(n > 0) { if(n & 1) ret *= mul; mul *= mul; n >>= 1; } return ret; } friend ostream &operator<<(ostream &os, const ModInt2 &p) { return os << p.x; } friend istream &operator>>(istream &is, ModInt2 &a) { int64_t t; is >> t; a = ModInt2< mod2 >(t); return (is); } static int get_mod() { return mod2; } }; using modint2 = ModInt2< mod2 >; template<typename T> struct Matrix{ int row, col; vector<vector<T>> mat ; private: void init_(vector<vector<T>> A){ row = A.size(); col = A[0].size(); mat = A; } void init_(vector<T> A, bool row_matrix = false){ if(row_matrix) { col = (int)A.size(); row = 1; mat.resize(1); mat[0] = A; } else { col = 1; row = (int)A.size(); mat.resize(row,vector<T>(1)); rep(i,row) mat[i][0] = A[i]; } } Matrix<T> pow_(ll k){ assert(row == col); vector<vector<T>> E(row,vector<T>(row,0)); rep(i,row) rep(j,row) if(i == j) E[i][j] = 1; Matrix<T> res(E); Matrix<T> X(mat); while(k > 0){ if(k & 1) res *= X; X *= X; k >>= 1 ; } return res; } void transpose_() { vector<vector<T>> res(col,vector<T>(row)); rep(i,row) rep(j,col) res[j][i] = mat[i][j]; mat = res; swap(row,col); } void concat_col_(vector<T> &Y) { Matrix X(Y); concat_col_(X); } void concat_col_(vector<vector<T>> &Y) { Matrix X(Y); concat_col_(X); } void concat_col_(Matrix &Y) { assert((int)Y.row == row); col += Y.col; rep(i,row) { rep(j,Y.col) mat[i].push_back(Y.mat[i][j]); } } void concat_row_(vector<T> &Y) { Matrix X(Y,true); concat_row_(X); } void concat_row_(vector<vector<T>> &Y) { Matrix X(Y); concat_row_(X); } void concat_row_(Matrix &Y) { assert((int)Y.col == col); row += Y.row; rep(i,Y.row) mat.push_back(Y.mat[i]); } void print_() { rep(i,row){ rep(j,col) cout << mat[i][j] << " "; cout << endl; } } public: inline Matrix &operator+=(const Matrix Y) { rep(i,row) rep(j,col) mat[i][j] += Y.mat[i][j]; return *this ; } inline Matrix &operator-=(const Matrix Y) { rep(i,row) rep(j,col) mat[i][j] -= Y.mat[i][j]; return *this ; } inline Matrix &operator*=(const Matrix Y) { int x = row, y = Y.col, n = col; vector<vector<T>> res(x,vector<T>(y)); rep(i,x) rep(j,y) rep(k,n) res[i][j] += mat[i][k] * Y.mat[k][j]; swap(mat,res); row = x; col = y; return *this ; } inline Matrix operator-() const { rep(i,row) rep(j,col) mat[i][j] *= -1; return *this ; } inline Matrix operator+(const Matrix Y) const { return Matrix(*this) += Y; } inline Matrix operator-(const Matrix Y) const { return Matrix(*this) -= Y; } inline Matrix operator*(const Matrix Y) const { return Matrix(*this) *= Y; } inline bool operator==(const Matrix Y) const { return mat == Y.mat; } inline bool operator!=(const Matrix Y) const { return mat != Y.mat; } inline vector<T>&operator[](int i) { return mat[i] ; } Matrix(int n): row(n), col(0) { mat.resize(row); } Matrix(vector<T> A, bool row_matrix = false) { init_(A, row_matrix); } Matrix(vector<vector<T>> A){ init_(A); } void init(vector<T> A, bool row_matrix = false) { init_(A, row_matrix); } void init(vector<vector<T>> A) { init_(A); } size_t row_size() { return row; } size_t col_size() { return col; } Matrix pow(ll k){ return pow_(k); } void transpose() { transpose_(); } void concat_col(vector<vector<T>> &Y) { concat_col_(Y); } void concat_col(vector<T> &Y) { concat_col_(Y); } void concat_col(Matrix &Y) { concat_col_(Y); } void concat_row(vector<vector<T>> &Y) { concat_row_(Y); } void concat_row(vector<T> &Y) { concat_row_(Y); } void concat_row(Matrix &Y) { concat_row_(Y); } // void print() { print_(); } }; // function : return : description // ----------------------------------------------------- // init(vector<T>, row_matrix) : void : 1次元ベクトルに対して行列化する, 列行列か行行列を選択できる // init(vector<vector<T>>) : void : 2次元ベクトルに対して行列化する // row_size() : int : 行の大きさ // col_size() : int : 列の大きさ // pow(k) : Matrix : 行列をk乗する(n * n 行列であること) // transpose() : void : 転置する // concat_col(vector<vector<T>>) : void : 列に関して結合する // concat_col(vector<T>) : void : 列に関して結合する // concat_col(Matrix) : void : 列に関して結合する // concat_row(vector<vector<T>>) : void : 列に関して結合する // concat_row(vector<T>) : void : 列に関して結合する // concat_row(Matrix) : void : 列に関して結合する // print() : void : 行列を出力する // *注意* 取り敢えず全てをコピペすることを奨励 // verify // https://atcoder.jp/contests/dp/tasks/dp_r int n; void solve(){ cin >> n; vector<ll> D(n), L(n); rep(i,n) cin >> D[i] >> L[i]; vector<vector<modint>> dp(n+1,vector<modint>(7,0)); dp[0][0] = 1; rep(i,n){ ll d = D[i]; ll l = L[i]; modint2 ten = 10; modint2 vt = ten.pow(l); vector<vector<modint2>> A = { {10, 1}, {0, 1}, }; vector<modint2> b = {0, d}; Matrix<modint2> mat(A), B(b); auto M = mat.pow(l) * B; auto val = M[0][0].x; auto vtn = vt.x; rep(j,7){ dp[i+1][j] += dp[i][j]; dp[i+1][(j * vtn + val)%7] += dp[i][j]; } } modint res = 0; rep(i,7) { res += dp[n][i] * i; } pt(res) } int main(){ fast_io int t = 1; // cin >> t; rep(i,t) solve(); }