結果
問題 | No.1973 Divisor Sequence |
ユーザー | ktr216 |
提出日時 | 2022-06-10 22:17:25 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 294 ms / 2,000 ms |
コード長 | 2,940 bytes |
コンパイル時間 | 1,790 ms |
コンパイル使用メモリ | 179,836 KB |
実行使用メモリ | 180,604 KB |
最終ジャッジ日時 | 2024-09-21 07:30:30 |
合計ジャッジ時間 | 4,579 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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
6,816 KB |
testcase_01 | AC | 3 ms
6,944 KB |
testcase_02 | AC | 163 ms
31,376 KB |
testcase_03 | AC | 11 ms
7,040 KB |
testcase_04 | AC | 96 ms
20,300 KB |
testcase_05 | AC | 32 ms
18,056 KB |
testcase_06 | AC | 102 ms
26,760 KB |
testcase_07 | AC | 22 ms
8,456 KB |
testcase_08 | AC | 52 ms
16,312 KB |
testcase_09 | AC | 83 ms
18,336 KB |
testcase_10 | AC | 104 ms
21,668 KB |
testcase_11 | AC | 16 ms
6,968 KB |
testcase_12 | AC | 81 ms
22,424 KB |
testcase_13 | AC | 25 ms
9,744 KB |
testcase_14 | AC | 56 ms
19,072 KB |
testcase_15 | AC | 138 ms
23,404 KB |
testcase_16 | AC | 132 ms
27,556 KB |
testcase_17 | AC | 84 ms
18,804 KB |
testcase_18 | AC | 8 ms
6,944 KB |
testcase_19 | AC | 112 ms
23,376 KB |
testcase_20 | AC | 22 ms
7,716 KB |
testcase_21 | AC | 124 ms
31,760 KB |
testcase_22 | AC | 110 ms
23,344 KB |
testcase_23 | AC | 255 ms
180,604 KB |
testcase_24 | AC | 294 ms
47,660 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define double long double using ll = long long; using VB = vector<bool>; using VVB = vector<VB>; using VC = vector<char>; using VI = vector<int>; using VVI = vector<VI>; using VVVI = vector<VVI>; using VL = vector<ll>; using VVL = vector<VL>; using VVVL = vector<VVL>; using VVVVL = vector<VVVL>; using VD = vector<double>; using VVD = vector<VD>; using VVVD = vector<VVD>; using P = pair<int, int>; #define REP(i, n) for (int i = 0; i < (int)(n); i++) #define FOR(i, a, b) for (ll i = a; i < (ll)(b); i++) #define ALL(a) (a).begin(),(a).end() constexpr int INF = 1001001001; constexpr ll LINF = 1001001001001001001ll; constexpr int DX[] = {1, 0, -1, 0}; constexpr int DY[] = {0, 1, 0, -1}; template< typename T1, typename T2> inline bool chmax(T1 &a, T2 b) {return a < b && (a = b, true); } template< typename T1, typename T2> inline bool chmin(T1 &a, T2 b) {return a > b && (a = b, true); } const ll MOD = 1000000007; const int MAX_N = 200010; int par[MAX_N]; int rnk[MAX_N]; int siz[MAX_N]; void init(int n) { REP(i,n) { par[i] = i; rnk[i] = 0; siz[i] = 1; } } int find(int x) { if (par[x] == x) { return x; } else { return par[x] = find(par[x]); } } void unite(int x, int y) { x = find(x); y = find(y); if (x == y) return; int s = siz[x] + siz[y]; if (rnk[x] < rnk[y]) { par[x] = y; } else { par[y] = x; if (rnk[x] == rnk[y]) rnk[x]++; } siz[find(x)] = s; } bool same(int x, int y) { return find(x) == find(y); } int size(int x) { return siz[find(x)]; } ll mod_pow(ll x, ll n, ll mod) { ll res = 1; while (n > 0) { if (n & 1) res = res * x % mod; x = x * x % mod; n >>= 1; } return res; } VL f(MAX_N + 1, 1); ll C(ll n, ll k) { if (n < k) return 0; return f[n] * mod_pow(f[k], MOD - 2, MOD) % MOD * mod_pow(f[n - k], MOD - 2, MOD) % MOD; } int main() { ios::sync_with_stdio(false); std::cin.tie(nullptr); int N; ll M; cin >> N >> M; map<ll, int> mp; for (ll i = 2; i * i <= M; i++) { while (M % i == 0) { mp[i]++; M /= i; } } if (M > 1) mp[M]++; /* for (auto i : mp) { //cout << i.first << " " << i.second << endl; } */ ll ans = 1; for (auto e : mp) { int A = e.second; VVL dp(N + 1, VL(A + 1, 0)); dp[0][0] = 1; REP(i, N) { ll S = 0; REP(j, A + 1) { S = (S + dp[i][j]) % MOD; dp[i + 1][A - j] = S; } } /* REP(i, N + 1) { REP(j, A + 1) cout << dp[i][j] << " "; cout << endl; } cout << endl; */ ll X = 0; REP(i, A + 1) X = (X + dp[N][i]) % MOD; ans = ans * X % MOD; } cout << ans << endl; }