結果
問題 | No.2203 POWER!!!!! |
ユーザー | bond_cmprog |
提出日時 | 2023-02-03 21:37:26 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 13 ms / 2,000 ms |
コード長 | 9,448 bytes |
コンパイル時間 | 1,993 ms |
コンパイル使用メモリ | 206,880 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-02 19:26:24 |
合計ジャッジ時間 | 2,796 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,812 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,940 KB |
testcase_09 | AC | 5 ms
6,940 KB |
testcase_10 | AC | 8 ms
6,944 KB |
testcase_11 | AC | 11 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 11 ms
6,944 KB |
testcase_14 | AC | 12 ms
6,944 KB |
testcase_15 | AC | 12 ms
6,940 KB |
testcase_16 | AC | 12 ms
6,944 KB |
testcase_17 | AC | 13 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 2 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> #include <stdio.h> // #include <boost/multiprecision/cpp_int.hpp> // using Bint = boost::multiprecision::cpp_int; #define ALL(v) (v).begin(), (v).end() #define OVERLOAD4(_1, _2, _3, _4, name, ...) name #define REP1(n) for (ll i = 0; i < n; i++) #define REP2(i, n) for (ll i = 0; i < n; i++) #define REP3(i, a, b) for (ll i = a; i < b; i++) #define REP4(i, a, b, c) for (ll i = a; i < b; i += c) #define REP(...) OVERLOAD4(__VA_ARGS__, REP4, REP3, REP2, REP1)(__VA_ARGS__) #define ll long long using namespace std; typedef pair<int, int> P; typedef pair<ll, ll> LP; const int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1}; const int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1}; const int INF = 1000000000; const ll LINF = 1000000000000000000; // 1e18 const double PI = acos(-1.0); const double EPS = 1e-10; template<class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template<class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } inline constexpr ll ceil_div(const ll a, const ll b) { return (a + b - 1) / b - !!((a + b - 1) % b < 0); } // return ceil(a/b) inline constexpr ll floor_div(const ll a, const ll b) { return a / b - !!(a % b < 0); } // return floor(a/b) /* ----------------------- DEBUG FUNCTION ---------------------------- */ #define DUMPOUT cerr void dump_function() { DUMPOUT << ' '; } void dump_function(bool a) { DUMPOUT << a; } void dump_function(int a) { DUMPOUT << a; } void dump_function(long long a) { DUMPOUT << a; } void dump_function(char a) { DUMPOUT << a; } void dump_function(string &a) { DUMPOUT << a; } void dump_function(double a) { DUMPOUT << a; } template<class T> void dump_function(const vector<T> &); template<class T, size_t size> void dump_function(const array<T, size> &); template<class T, class L> void dump_function(const pair<T, L> &p); template<class T, size_t size> void dump_function(const T (&)[size]); template<class T> void dump_function(const vector<T> &a) { if (a.empty()) return; dump_function(a[0]); for (auto i = a.begin(); ++i != a.end();) { DUMPOUT << " "; dump_function(*i); } DUMPOUT << endl; } template<class T> void dump_function(const deque<T> &a) { if (a.empty()) return; dump_function(a[0]); for (auto i = a.begin(); ++i != a.end();) { DUMPOUT << " "; dump_function(*i); } } template<class T, size_t size> void dump_function(const array<T, size> &a) { dump_function(a[0]); for (auto i = a.begin(); ++i != a.end();) { DUMPOUT << " "; dump_function(*i); } } template<class T, class L> void dump_function(const pair<T, L> &p) { DUMPOUT << '('; dump_function(p.first); DUMPOUT << ","; dump_function(p.second); DUMPOUT << ')'; } template<class T> void dump_function(set<T> &x) { for (auto e : x) dump_function(e), DUMPOUT << " "; DUMPOUT << endl; } template<class T> void dump_function(multiset<T> &x) { for (auto e : x) dump_function(e), DUMPOUT << " "; DUMPOUT << endl; } template<class T, size_t size> void dump_function(const T (&a)[size]) { dump_function(a[0]); for (auto i = a; ++i != end(a);) { DUMPOUT << " "; dump_function(*i); } } template<class T> void dump_function(const T &a) { DUMPOUT << a; } int dump_out() { DUMPOUT << '\n'; return 0; } template<class T> int dump_out(const T &t) { dump_function(t); DUMPOUT << '\n'; return 0; } template<class Head, class... Tail> int dump_out(const Head &head, const Tail &...tail) { dump_function(head); DUMPOUT << ' '; dump_out(tail...); return 0; } #ifdef DEBUG_ #define dump(x) \ DUMPOUT << #x << ": "; \ dump_function(x); \ DUMPOUT << endl; void dumps() { } template<class T> void dumps(const T &t) { dump_function(t); DUMPOUT << " "; } template<class Head, class... Tail> void dumps(const Head &head, const Tail &...tail) { dump_function(head); DUMPOUT << ' '; dump_out(tail...); } #else #define dump(x) template<class... T> void dumps(const T &...) { } #endif /* ----------------------- DEBUG FUNCTION ---------------------------- */ template<int MOD> struct Fp { long long val; constexpr Fp(long long v = 0) noexcept : val(v % MOD) { if (val < 0) val += MOD; } constexpr int getmod() const { return MOD; } constexpr Fp operator-() const noexcept { return val ? MOD - val : 0; } constexpr Fp operator+(const Fp &r) const noexcept { return Fp(*this) += r; } constexpr Fp operator-(const Fp &r) const noexcept { return Fp(*this) -= r; } constexpr Fp operator*(const Fp &r) const noexcept { return Fp(*this) *= r; } constexpr Fp operator/(const Fp &r) const noexcept { return Fp(*this) /= r; } constexpr Fp &operator+=(const Fp &r) noexcept { val += r.val; if (val >= MOD) val -= MOD; return *this; } constexpr Fp &operator-=(const Fp &r) noexcept { val -= r.val; if (val < 0) val += MOD; return *this; } constexpr Fp &operator*=(const Fp &r) noexcept { val = val * r.val % MOD; return *this; } constexpr Fp &operator/=(const Fp &r) noexcept { long long a = r.val, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b, swap(a, b); u -= t * v, swap(u, v); } val = val * u % MOD; if (val < 0) val += MOD; return *this; } constexpr bool operator==(const Fp &r) const noexcept { return this->val == r.val; } constexpr bool operator!=(const Fp &r) const noexcept { return this->val != r.val; } friend constexpr istream &operator>>(istream &is, Fp<MOD> &x) noexcept { is >> x.val; x.val %= MOD; if (x.val < 0) x.val += MOD; return is; } friend constexpr ostream &operator<<(ostream &os, const Fp<MOD> &x) noexcept { return os << x.val; } friend constexpr Fp<MOD> modpow(const Fp<MOD> &r, long long n) noexcept { if (n == 0) return 1; auto t = modpow(r, n / 2); t = t * t; if (n & 1) t = t * r; return t; } friend constexpr Fp<MOD> modinv(const Fp<MOD> &r) noexcept { long long a = r.val, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b, swap(a, b); u -= t * v, swap(u, v); } return Fp<MOD>(u); } }; template<class T> struct BiCoef { vector<T> fact_, inv_, finv_; constexpr BiCoef() { } constexpr BiCoef(int n) noexcept : fact_(n, 1), inv_(n, 1), finv_(n, 1) { init(n); } constexpr void init(int n) noexcept { fact_.assign(n, 1), inv_.assign(n, 1), finv_.assign(n, 1); int MOD = fact_[0].getmod(); for (int i = 2; i < n; i++) { fact_[i] = fact_[i - 1] * i; inv_[i] = -inv_[MOD % i] * (MOD / i); finv_[i] = finv_[i - 1] * inv_[i]; } } constexpr T nCr(int n, int k) const noexcept { if (n < k || n < 0 || k < 0) return 0; int MOD = fact_[0].getmod(); if (n < MOD) return fact_[n] * finv_[k] * finv_[n - k]; // Lucasの定理 T ret = 1; while (n || k) { int _n = n % MOD, _k = k % MOD; n /= MOD; k /= MOD; ret *= nCr(_n, _k); } return ret; } constexpr T nPr(int n, int k) const noexcept { if (n < k || n < 0 || k < 0) return 0; return fact_[n] * finv_[n - k]; } constexpr T nHr(int n, int k) const noexcept { if (n <= 0 || k < 0) return 0; return nCr(n + k - 1, k); } constexpr T fact(int n) const noexcept { if (n < 0) return 0; return fact_[n]; } constexpr T inv(int n) const noexcept { if (n < 0) return 0; return inv_[n]; } constexpr T finv(int n) const noexcept { if (n < 0) return 0; return finv_[n]; } }; /* ----------------------------- MOD ----------------------------------- */ const int MOD = 1000000007; const int MOD2 = 998244353; using mint = Fp<MOD2>; BiCoef<mint> bc; // using vec = vector<int>; // using mat = vector<vec>; /* ----------------------------- MOD ----------------------------------- */ /* ----------------------- AtCoder Library ---------------------------- */ // #include <atcoder/all> // using namespace atcoder; /* ----------------------- AtCoder Library ---------------------------- */ void solve() { int N; cin >> N; vector<ll> cnt(9); REP(i, N) { int a; cin >> a; cnt[a]++; } vector memo(9, vector(9, 0LL)); REP(i, 1, 9) { int tmp = i; REP(j, 1, 9) { memo[i][j] = tmp; tmp *= i; } } ll ans = 0; REP(i, 1, 9) { REP(j, 1, 9) { ans += memo[i][j] * cnt[i] * cnt[j]; } } cout << ans << endl; } int main() { cin.tie(0); ios::sync_with_stdio(false); solve(); // int T; // cin >> T; // REP(t, T) solve(); }