結果
問題 | No.1331 Moving Penguin |
ユーザー | rokahikou1 |
提出日時 | 2021-02-13 14:49:47 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 168 ms / 1,500 ms |
コード長 | 5,260 bytes |
コンパイル時間 | 1,862 ms |
コンパイル使用メモリ | 173,592 KB |
実行使用メモリ | 5,760 KB |
最終ジャッジ日時 | 2024-11-07 15:19:31 |
合計ジャッジ時間 | 9,082 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 | 5 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 | 136 ms
5,504 KB |
testcase_05 | AC | 135 ms
5,504 KB |
testcase_06 | AC | 133 ms
5,504 KB |
testcase_07 | AC | 133 ms
5,632 KB |
testcase_08 | AC | 133 ms
5,504 KB |
testcase_09 | AC | 130 ms
5,504 KB |
testcase_10 | AC | 134 ms
5,504 KB |
testcase_11 | AC | 133 ms
5,504 KB |
testcase_12 | AC | 133 ms
5,504 KB |
testcase_13 | AC | 134 ms
5,632 KB |
testcase_14 | AC | 133 ms
5,632 KB |
testcase_15 | AC | 132 ms
5,632 KB |
testcase_16 | AC | 131 ms
5,632 KB |
testcase_17 | AC | 131 ms
5,760 KB |
testcase_18 | AC | 131 ms
5,632 KB |
testcase_19 | AC | 131 ms
5,504 KB |
testcase_20 | AC | 134 ms
5,632 KB |
testcase_21 | AC | 132 ms
5,504 KB |
testcase_22 | AC | 132 ms
5,504 KB |
testcase_23 | AC | 134 ms
5,632 KB |
testcase_24 | AC | 134 ms
5,632 KB |
testcase_25 | AC | 134 ms
5,504 KB |
testcase_26 | AC | 138 ms
5,632 KB |
testcase_27 | AC | 139 ms
5,504 KB |
testcase_28 | AC | 135 ms
5,632 KB |
testcase_29 | AC | 133 ms
5,632 KB |
testcase_30 | AC | 27 ms
5,248 KB |
testcase_31 | AC | 59 ms
5,248 KB |
testcase_32 | AC | 24 ms
5,248 KB |
testcase_33 | AC | 42 ms
5,248 KB |
testcase_34 | AC | 76 ms
5,248 KB |
testcase_35 | AC | 151 ms
5,632 KB |
testcase_36 | AC | 150 ms
5,632 KB |
testcase_37 | AC | 151 ms
5,632 KB |
testcase_38 | AC | 30 ms
5,248 KB |
testcase_39 | AC | 128 ms
5,504 KB |
testcase_40 | AC | 49 ms
5,248 KB |
testcase_41 | AC | 132 ms
5,504 KB |
testcase_42 | AC | 158 ms
5,504 KB |
testcase_43 | AC | 155 ms
5,504 KB |
testcase_44 | AC | 156 ms
5,504 KB |
testcase_45 | AC | 167 ms
5,504 KB |
testcase_46 | AC | 166 ms
5,504 KB |
testcase_47 | AC | 168 ms
5,632 KB |
testcase_48 | AC | 131 ms
5,632 KB |
ソースコード
#include <bits/stdc++.h> #define rep(i, n) for(int(i) = 0; (i) < (n); (i)++) #define FOR(i, m, n) for(int(i) = (m); (i) < (n); (i)++) #define ALL(v) (v).begin(), (v).end() #define LLA(v) (v).rbegin(), (v).rend() #define SZ(v) (v).size() #define INT(...) \ int __VA_ARGS__; \ read(__VA_ARGS__) #define LL(...) \ ll __VA_ARGS__; \ read(__VA_ARGS__) #define DOUBLE(...) \ double __VA_ARGS__; \ read(__VA_ARGS__) #define CHAR(...) \ char __VA_ARGS__; \ read(__VA_ARGS__) #define STRING(...) \ string __VA_ARGS__; \ read(__VA_ARGS__) #define VEC(type, name, size) \ vector<type> name(size); \ read(name) using namespace std; using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using Graph = vector<vector<int>>; template <typename T> struct edge { int to; T cost; edge(int t, T c) : to(t), cost(c) {} }; template <typename T> using WGraph = vector<vector<edge<T>>>; const int INF = 1 << 30; const ll LINF = 1LL << 60; const int MOD = 1e9 + 7; template <class T> inline vector<T> make_vec(size_t a, T val) { return vector<T>(a, val); } template <class... Ts> inline auto make_vec(size_t a, Ts... ts) { return vector<decltype(make_vec(ts...))>(a, make_vec(ts...)); } void read() {} template <class T> inline void read(T &a) { cin >> a; } template <class T, class S> inline void read(pair<T, S> &p) { read(p.first), read(p.second); } template <class T> inline void read(vector<T> &v) { for(auto &a : v) read(a); } template <class Head, class... Tail> inline void read(Head &head, Tail &...tail) { read(head), read(tail...); } template <class T> inline void chmax(T &a, T b) { (a < b ? a = b : a); } template <class T> inline void chmin(T &a, T b) { (a > b ? a = b : a); } template <uint_fast64_t MOD> class ModInt { using u64 = uint_fast64_t; public: u64 val; ModInt(const u64 x = 0) : val((x + MOD) % MOD) {} constexpr u64 &value() { return val; } constexpr ModInt operator-() { return val ? MOD - val : 0; } constexpr ModInt operator+(const ModInt &rhs) const { return ModInt(*this) += rhs; } constexpr ModInt operator-(const ModInt &rhs) const { return ModInt(*this) -= rhs; } constexpr ModInt operator*(const ModInt &rhs) const { return ModInt(*this) *= rhs; } constexpr ModInt operator/(const ModInt &rhs) const { return ModInt(*this) /= rhs; } constexpr ModInt &operator+=(const ModInt &rhs) { val += rhs.val; if(val >= MOD) { val -= MOD; } return *this; } constexpr ModInt &operator-=(const ModInt &rhs) { if(val < rhs.val) { val += MOD; } val -= rhs.val; return *this; } constexpr ModInt &operator*=(const ModInt &rhs) { val = val * rhs.val % MOD; return *this; } constexpr ModInt &operator/=(const ModInt &rhs) { *this *= rhs.inv(); return *this; } constexpr bool operator==(const ModInt &rhs) { return this->val == rhs.val; } constexpr bool operator!=(const ModInt &rhs) { return this->val != rhs.val; } friend constexpr ostream &operator<<(ostream &os, const ModInt<MOD> &x) { return os << x.val; } friend constexpr istream &operator>>(istream &is, ModInt<MOD> &x) { return is >> x.val; } constexpr ModInt inv() const { return ModInt(*this).pow(MOD - 2); } constexpr ModInt pow(ll e) const { u64 x = 1, p = val; while(e > 0) { if(e % 2 == 0) { p = (p * p) % MOD; e /= 2; } else { x = (x * p) % MOD; e--; } } return ModInt(x); } }; using mint = ModInt<MOD>; ll ll_sqrt(ll x) { ll ret = sqrt(x) - 1; while((ret + 1) * (ret + 1) <= x) ret++; return ret; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); INT(n); VEC(ll, a, n); auto dp = make_vec(n + 1, mint(0)); ll rtn = ll_sqrt(n); auto table = make_vec(rtn + 1, rtn + 1, mint(0)); dp[0] = 1; for(int i = 0; i < n; i++) { dp[i + 1] += dp[i]; for(int j = 1; j <= rtn; j++) { dp[i + 1] += table[j][(i + 1) % j]; } if(a[i] <= rtn) { table[a[i]][i % a[i]] += dp[i]; } else { for(int j = i + a[i]; j <= n; j += a[i]) { dp[j] += dp[i]; } } } cout << dp[n - 1] << endl; }