結果
| 問題 | No.1081 和の和 |
| ユーザー |
 ganariya
|
| 提出日時 | 2020-06-19 21:22:57 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 3 ms / 2,000 ms |
| コード長 | 8,708 bytes |
| コンパイル時間 | 1,562 ms |
| コンパイル使用メモリ | 152,276 KB |
| 最終ジャッジ日時 | 2025-01-11 05:36:29 |
|
ジャッジサーバーID （参考情報） |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 8 |
ソースコード
//include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <unordered_map>
#include <climits>
#include <set>
#include <unordered_set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <queue>
#include <random>
#include <chrono>
#include <complex>
#include <regex>
#include <locale>
#include <random>
#include <cassert>
#include <type_traits>
using namespace std;
// typedef
//------------------------------------------
typedef long long LL;
typedef vector<int> VI;
typedef vector<bool> VB;
typedef vector<char> VC;
typedef vector<double> VD;
typedef vector<string> VS;
typedef vector<LL> VLL;
typedef vector<VI> VVI;
typedef vector<VB> VVB;
typedef vector<VS> VVS;
typedef vector<VLL> VVLL;
typedef vector<VVI> VVVI;
typedef vector<VVLL> VVVLL;
typedef pair<int, int> PII;
typedef pair<LL, LL> PLL;
typedef pair<int, string> PIS;
typedef pair<string, int> PSI;
typedef pair<string, string> PSS;
typedef vector<PII> VPII;
typedef vector<PLL> VPLL;
typedef vector<VPII> VVPII;
typedef vector<VPLL> VVPLL;
typedef vector<VS> VVS;
typedef map<int, int> MII;
typedef map<LL, LL> MLL;
typedef map<string, int> MSI;
typedef map<int, string> MIS;
// container util
//------------------------------------------
typedef int pInt[4];
#define ALL(a) (a).begin(),(a).end()
#define SZ(a) int((a).size())
#define EACH(i, arr) for(typeof((arr).begin()) i=(arr).begin(); i!=(arr).end(); ++i)
#define EXIST(str, e) ((str).find(e)!=(str).end())
#define COUNT(arr, v) count((arr).begin(), (arr).end(), v)
#define SEARCH(v, w) search((v).begin(), (v).end(), (w).begin(), (w).end())
#define SORT(c) sort((c).begin(),(c).end())
#define RSORT(c) sort((c).rbegin(),(c).rend())
#define REVERSE(c) reverse((c).begin(), (c).end())
#define ROTATE_LEFT(arr, c) rotate((arr).begin(), (arr).begin()+(c), (arr).end())
#define ROTATE_RIGHT(arr, c) rotate((arr).rbegin(), (arr).rbegin() + (c), (arr).rend())
#define SUMI(arr) accumulate((arr).begin(), (arr).end(), 0)
#define SUMD(arr) accumulate((arr).begin(), (arr).end(), 0.)
#define SUMLL(arr) accumulate((arr).begin(), (arr).end(), 0LL)
#define MULD(arr) accumulate((arr).begin(), (arr).end(), 1., multiplies<double>())
#define UB(arr, n) upper_bound((arr).begin(), (arr).end(), n)
#define LB(arr, n) lower_bound((arr).begin(), (arr).end(), n)
#define PB push_back
#define MP make_pair
#define ft first
#define sd second
// input output
//------------------------------------------
#define GL(s) getline(cin, (s))
#define INIT() std::ios::sync_with_stdio(false);std::cin.tie(0)
#define OUT(d) std::cout<<(d)
#define OUT_L(d) std::cout<<(d)<<endl
#define FOUT(n, data) std::cout<<std::fixed<<std::setprecision(n)<<(data)
#define FOUT_L(n, data) std::cout<<std::fixed<<std::setprecision(n)<<(data)<<"\n"
#define EL() printf("\n")
#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOW_MAP(v) {std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}
#define Yes() printf("Yes\n")
#define No() printf("No\n")
#define YES() printf("YES\n")
#define NO() printf("NO\n")
#define Yay() printf("Yay!\n")
#define Nnn() printf(":(\n")
#define CE(x, y) ((x + y - 1) / (y))
template<typename T1, typename T2>
istream &operator>>(istream &in, pair<T1, T2> &p) {
in >> p.first >> p.second;
return in;
}
template<typename T>
istream &operator>>(istream &in, vector<T> &v) {
for (auto &x: v)
in >> x;
return in;
}
template<typename T1, typename T2>
ostream &operator<<(ostream &out, const std::pair<T1, T2> &p) {
out << "[" << p.first << ", " << p.second << "]" << "\n";
return out;
}
template<class T1, class T2>
inline bool chmin(T1 &a, T2 b) {
if (a > b) {
a = b;
return true;
}
return false;
}
template<class T1, class T2>
inline bool chmax(T1 &a, T2 b) {
if (a < b) {
a = b;
return true;
}
return false;
}
//repetition
//------------------------------------------
#define FOR(i, a, b) for(int i=(a);i<(b);++i)
#define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i)
#define REP(i, n) FOR(i,0,n)
#define RREP(i, n) for(int i = n-1;i >= 0;i--)
#define FORLL(i, a, b) for(LL i=LL(a);i<LL(b);++i)
#define RFORLL(i, a, b) for(LL i=LL(b)-1;i>=LL(a);--i)
#define REPLL(i, n) for(LL i=0;i<LL(n);++i)
#define RREPLL(i, n) for(LL i=LL(n)-1;i>=0;--i)
#define FOREACH(x, arr) for(auto &(x) : (arr))
// Option + Control + K Terminal
// Command + Control + K Run
// Command + b EOF
//------------------------------------------
//------------------------------------------
template<int_fast64_t Modulas = 1000000007ul>
class ModInt {
using u64 = int_fast64_t;
public:
u64 x;
constexpr ModInt() : x(0) {}
constexpr ModInt(int_fast64_t v) : x((v % Modulas + Modulas) % Modulas) {}
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 long long rhs) const noexcept {
return ModInt(*this) /= rhs;
}
constexpr ModInt operator+=(const ModInt rhs) noexcept {
x += rhs.x;
if (x >= Modulas) x -= Modulas;
return *this;
}
constexpr ModInt operator+=(const long long rhs) noexcept {
auto hs = ModInt<Modulas>(rhs);
(*this) += hs;
return *this;
}
constexpr ModInt operator-=(const ModInt rhs) noexcept {
if (x < rhs.x) x += Modulas;
x -= rhs.x;
return *this;
}
constexpr ModInt operator-=(const long long rhs) noexcept {
auto hs = ModInt<Modulas>(rhs);
(*this) -= hs;
return *this;
}
constexpr ModInt operator*=(const ModInt rhs) noexcept {
x = x * rhs.x % Modulas;
return *this;
}
constexpr ModInt operator*=(const long long rhs) noexcept {
auto hs = ModInt<Modulas>(rhs);
(*this) *= hs;
return *this;
}
constexpr ModInt &operator/=(ModInt rhs) noexcept {
u64 exp = Modulas - 2;
while (exp > 0) {
if (exp & 1ul) *this *= rhs;
rhs *= rhs;
exp >>= 1ul;
}
return *this;
}
constexpr ModInt &operator/=(long long rhs) noexcept {
auto hs = ModInt<Modulas>(rhs);
(*this) /= hs;
return *this;
}
constexpr ModInt &operator++() noexcept {
x++;
if (x >= Modulas) x -= Modulas;
return *this;
}
constexpr ModInt &operator--() noexcept {
if (x == 0) x += Modulas;
x--;
return *this;
}
constexpr bool operator<(const ModInt rhs) const noexcept {
return x < rhs.x;
}
constexpr bool operator==(const ModInt rhs) const noexcept {
return this->x == rhs.x;
}
constexpr bool operator!=(const ModInt rhs) const noexcept {
return !(*this == rhs);
}
friend istream &operator>>(istream &in, ModInt &m) {
in >> m.x;
if (m.x < 0) m.x += Modulas;
m.x %= Modulas;
return in;
}
friend ostream &operator<<(ostream &out, const ModInt &p) {
out << p.x;
return out;
}
constexpr ModInt pow(u64 p) const {
ModInt ret(1);
ModInt mul(x);
while (p > 0) {
if (p & 1ul) ret *= mul;
mul *= mul;
p >>= 1ul;
}
return ret;
}
constexpr ModInt operator~() const noexcept {
u64 exp = Modulas - 2;
return pow(exp);
}
constexpr static ModInt arith_sum(ModInt<Modulas> a, ModInt<Modulas> d, ModInt<Modulas> n) noexcept {
return (a * ModInt<Modulas>(2) + (n - 1) * d) * n / ModInt<Modulas>(2);
}
};
int main() {
int N;
cin >> N;
vector<ModInt<>> A(N);
cin >> A;
for (int i = 0; i < N - 1; i++) {
vector<ModInt<>> B;
for (int j = 0; j < A.size() - 1; j++) {
B.push_back(A[j + 1] + A[j]);
}
swap(A, B);
}
cout << A[0] << endl;
}