結果
問題 | No.1581 Multiple Sequence |
ユーザー | tokusakurai |
提出日時 | 2021-07-02 21:34:07 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 69 ms / 2,000 ms |
コード長 | 3,319 bytes |
コンパイル時間 | 2,094 ms |
コンパイル使用メモリ | 206,728 KB |
実行使用メモリ | 13,952 KB |
最終ジャッジ日時 | 2024-06-29 11:07:55 |
合計ジャッジ時間 | 3,842 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
5,376 KB |
testcase_02 | AC | 49 ms
12,032 KB |
testcase_03 | AC | 56 ms
12,800 KB |
testcase_04 | AC | 15 ms
6,272 KB |
testcase_05 | AC | 60 ms
13,184 KB |
testcase_06 | AC | 24 ms
8,064 KB |
testcase_07 | AC | 14 ms
6,272 KB |
testcase_08 | AC | 19 ms
7,168 KB |
testcase_09 | AC | 52 ms
12,288 KB |
testcase_10 | AC | 32 ms
9,472 KB |
testcase_11 | AC | 9 ms
5,376 KB |
testcase_12 | AC | 21 ms
7,552 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 59 ms
12,928 KB |
testcase_15 | AC | 38 ms
10,368 KB |
testcase_16 | AC | 10 ms
5,376 KB |
testcase_17 | AC | 69 ms
13,696 KB |
testcase_18 | AC | 7 ms
5,376 KB |
testcase_19 | AC | 46 ms
11,776 KB |
testcase_20 | AC | 52 ms
12,160 KB |
testcase_21 | AC | 54 ms
12,800 KB |
testcase_22 | AC | 28 ms
9,088 KB |
testcase_23 | AC | 69 ms
13,952 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < n; i++) #define rep2(i, x, n) for(int i = x; i <= n; i++) #define rep3(i, x, n) for(int i = x; i >= n; i--) #define each(e, v) for(auto &e: v) #define pb push_back #define eb emplace_back #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define sz(x) (int)x.size() using ll = long long; using pii = pair<int, int>; using pil = pair<int, ll>; using pli = pair<ll, int>; using pll = pair<ll, ll>; const int MOD = 1000000007; //const int MOD = 998244353; const int inf = (1<<30)-1; const ll INF = (1LL<<60)-1; template<typename T> bool chmax(T &x, const T &y) {return (x < y)? (x = y, true) : false;}; template<typename T> bool chmin(T &x, const T &y) {return (x > y)? (x = y, true) : false;}; struct io_setup{ io_setup(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(15); } } io_setup; template<int mod> struct Mod_Int{ int x; Mod_Int() : x(0) {} Mod_Int(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} Mod_Int &operator += (const Mod_Int &p){ if((x += p.x) >= mod) x -= mod; return *this; } Mod_Int &operator -= (const Mod_Int &p){ if((x += mod - p.x) >= mod) x -= mod; return *this; } Mod_Int &operator *= (const Mod_Int &p){ x = (int) (1LL * x * p.x % mod); return *this; } Mod_Int &operator /= (const Mod_Int &p){ *this *= p.inverse(); return *this; } Mod_Int &operator ++ () {return *this += Mod_Int(1);} Mod_Int operator ++ (int){ Mod_Int tmp = *this; ++*this; return tmp; } Mod_Int &operator -- () {return *this -= Mod_Int(1);} Mod_Int operator -- (int){ Mod_Int tmp = *this; --*this; return tmp; } Mod_Int operator - () const {return Mod_Int(-x);} Mod_Int operator + (const Mod_Int &p) const {return Mod_Int(*this) += p;} Mod_Int operator - (const Mod_Int &p) const {return Mod_Int(*this) -= p;} Mod_Int operator * (const Mod_Int &p) const {return Mod_Int(*this) *= p;} Mod_Int operator / (const Mod_Int &p) const {return Mod_Int(*this) /= p;} bool operator == (const Mod_Int &p) const {return x == p.x;} bool operator != (const Mod_Int &p) const {return x != p.x;} Mod_Int inverse() const{ assert(*this != Mod_Int(0)); return pow(mod-2); } Mod_Int pow(long long k) const{ Mod_Int now = *this, ret = 1; for(; k > 0; k >>= 1, now *= now){ if(k&1) ret *= now; } return ret; } friend ostream &operator << (ostream &os, const Mod_Int &p){ return os << p.x; } friend istream &operator >> (istream &is, Mod_Int &p){ long long a; is >> a; p = Mod_Int<mod>(a); return is; } }; using mint = Mod_Int<MOD>; int main(){ int N; cin >> N; vector<vector<int>> ds(N+1); vector<mint> dp(N+1, 0); dp[0] = 1; rep2(i, 1, N){ for(int j = i; j <= N; j += i){ ds[j].eb(i); } each(e, ds[i]){ dp[i] += dp[i/e-1]; } } //rep(i, N+1) cout << dp[i] << ' '; cout << '\n'; cout << dp[N] << '\n'; }