結果
問題 | No.1331 Moving Penguin |
ユーザー | hitonanode |
提出日時 | 2021-01-08 22:27:39 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 73 ms / 1,500 ms |
コード長 | 4,041 bytes |
コンパイル時間 | 2,311 ms |
コンパイル使用メモリ | 205,296 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-07 14:49:29 |
合計ジャッジ時間 | 5,274 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 4 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 28 ms
5,248 KB |
testcase_05 | AC | 73 ms
5,248 KB |
testcase_06 | AC | 71 ms
5,248 KB |
testcase_07 | AC | 73 ms
5,248 KB |
testcase_08 | AC | 26 ms
5,248 KB |
testcase_09 | AC | 26 ms
5,248 KB |
testcase_10 | AC | 26 ms
5,248 KB |
testcase_11 | AC | 26 ms
5,248 KB |
testcase_12 | AC | 25 ms
5,248 KB |
testcase_13 | AC | 26 ms
5,248 KB |
testcase_14 | AC | 25 ms
5,248 KB |
testcase_15 | AC | 26 ms
5,248 KB |
testcase_16 | AC | 26 ms
5,248 KB |
testcase_17 | AC | 25 ms
5,248 KB |
testcase_18 | AC | 26 ms
5,248 KB |
testcase_19 | AC | 25 ms
5,248 KB |
testcase_20 | AC | 26 ms
5,248 KB |
testcase_21 | AC | 25 ms
5,248 KB |
testcase_22 | AC | 25 ms
5,248 KB |
testcase_23 | AC | 26 ms
5,248 KB |
testcase_24 | AC | 26 ms
5,248 KB |
testcase_25 | AC | 25 ms
5,248 KB |
testcase_26 | AC | 30 ms
5,248 KB |
testcase_27 | AC | 29 ms
5,248 KB |
testcase_28 | AC | 29 ms
5,248 KB |
testcase_29 | AC | 28 ms
5,248 KB |
testcase_30 | AC | 11 ms
5,248 KB |
testcase_31 | AC | 18 ms
5,248 KB |
testcase_32 | AC | 10 ms
5,248 KB |
testcase_33 | AC | 14 ms
5,248 KB |
testcase_34 | AC | 21 ms
5,248 KB |
testcase_35 | AC | 50 ms
5,248 KB |
testcase_36 | AC | 50 ms
5,248 KB |
testcase_37 | AC | 49 ms
5,248 KB |
testcase_38 | AC | 11 ms
5,248 KB |
testcase_39 | AC | 28 ms
5,248 KB |
testcase_40 | AC | 15 ms
5,248 KB |
testcase_41 | AC | 51 ms
5,248 KB |
testcase_42 | AC | 50 ms
5,248 KB |
testcase_43 | AC | 49 ms
5,248 KB |
testcase_44 | AC | 49 ms
5,248 KB |
testcase_45 | AC | 49 ms
5,248 KB |
testcase_46 | AC | 49 ms
5,248 KB |
testcase_47 | AC | 48 ms
5,248 KB |
testcase_48 | AC | 25 ms
5,248 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++) #define REP(i, n) FOR(i,0,n) template <int mod> struct ModInt { #if __cplusplus >= 201402L #define MDCONST constexpr #else #define MDCONST #endif using lint = long long; int val; MDCONST ModInt() : val(0) {} MDCONST ModInt &_setval(lint v) { return val = (v >= mod ? v - mod : v), *this; } MDCONST ModInt(lint v) { _setval(v % mod + mod); } MDCONST explicit operator bool() const { return val != 0; } MDCONST ModInt operator+(const ModInt &x) const { return ModInt()._setval((lint)val + x.val); } MDCONST ModInt operator-(const ModInt &x) const { return ModInt()._setval((lint)val - x.val + mod); } MDCONST ModInt operator*(const ModInt &x) const { return ModInt()._setval((lint)val * x.val % mod); } MDCONST ModInt operator/(const ModInt &x) const { return ModInt()._setval((lint)val * x.inv() % mod); } MDCONST ModInt operator-() const { return ModInt()._setval(mod - val); } MDCONST ModInt &operator+=(const ModInt &x) { return *this = *this + x; } MDCONST ModInt &operator-=(const ModInt &x) { return *this = *this - x; } MDCONST ModInt &operator*=(const ModInt &x) { return *this = *this * x; } MDCONST ModInt &operator/=(const ModInt &x) { return *this = *this / x; } friend MDCONST ModInt operator+(lint a, const ModInt &x) { return ModInt()._setval(a % mod + x.val); } friend MDCONST ModInt operator-(lint a, const ModInt &x) { return ModInt()._setval(a % mod - x.val + mod); } friend MDCONST ModInt operator*(lint a, const ModInt &x) { return ModInt()._setval(a % mod * x.val % mod); } friend MDCONST ModInt operator/(lint a, const ModInt &x) { return ModInt()._setval(a % mod * x.inv() % mod); } MDCONST bool operator==(const ModInt &x) const { return val == x.val; } MDCONST bool operator!=(const ModInt &x) const { return val != x.val; } MDCONST bool operator<(const ModInt &x) const { return val < x.val; } // To use std::map<ModInt, T> friend std::istream &operator>>(std::istream &is, ModInt &x) { lint t; return is >> t, x = ModInt(t), is; } MDCONST friend std::ostream &operator<<(std::ostream &os, const ModInt &x) { return os << x.val; } MDCONST ModInt pow(lint n) const { lint ans = 1, tmp = this->val; while (n) { if (n & 1) ans = ans * tmp % mod; tmp = tmp * tmp % mod, n /= 2; } return ans; } static std::vector<long long> facs, invs; MDCONST static void _precalculation(int N) { int l0 = facs.size(); if (N <= l0) return; facs.resize(N), invs.resize(N); for (int i = l0; i < N; i++) facs[i] = facs[i - 1] * i % mod; long long facinv = ModInt(facs.back()).pow(mod - 2).val; for (int i = N - 1; i >= l0; i--) { invs[i] = facinv * facs[i - 1] % mod; facinv = facinv * i % mod; } } MDCONST lint inv() const { if (this->val < 1 << 20) { while (this->val >= int(facs.size())) _precalculation(facs.size() * 2); return invs[this->val]; } else { return this->pow(mod - 2).val; } } }; template <int mod> std::vector<long long> ModInt<mod>::facs = {1}; template <int mod> std::vector<long long> ModInt<mod>::invs = {0}; using mint = ModInt<1000000007>; int main() { cin.tie(nullptr), ios::sync_with_stdio(false); int N; cin >> N; constexpr int B = 50; vector cnt(B, vector<mint>(B, 0)); vector<mint> dp(N + 1); dp[0] = 1; REP(i, N) { int ai; cin >> ai; FOR(b, 1, B) { int md = i % b; dp[i] += cnt[b][md]; } if (ai != 1) dp[i + 1] += dp[i]; if (ai >= B) { for (int j = i + ai; j < N; j += ai) { dp[j] += dp[i]; } } else { cnt[ai][i % ai] += dp[i]; } } cout << dp[N - 1] << '\n'; }