Submission #25392745
Source Code Expand
#include "bits/stdc++.h" #define int long long using namespace std; using ll = long long; using ld = long double; using P = pair<ll, ll>; const ll INF = (1LL << 61); ll mod = 1000000007; struct mint { ll x; // typedef long long ll; mint(ll x = 0) :x((x%mod + mod) % mod) {} mint operator-() const { return mint(-x); } mint& operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint& operator-=(const mint a) { if ((x += mod - a.x) >= mod) x -= mod; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this; } mint operator+(const mint a) const { mint res(*this); return res += a; } mint operator-(const mint a) const { mint res(*this); return res -= a; } mint operator*(const mint a) const { mint res(*this); return res *= a; } mint pow(ll t) const { if (!t) return 1; mint a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod - 2); } mint& operator/=(const mint a) { return (*this) *= a.inv(); } mint operator/(const mint a) const { mint res(*this); return res /= a; } }; istream& operator>>(istream& is, mint& a) { return is >> a.x; } ostream& operator<<(ostream& os, const mint& a) { return os << a.x; } struct combination { vector<mint> fact, ifact; combination(int n) :fact(n + 1), ifact(n + 1) { //assert(n < mod); fact[0] = 1; for (int i = 1; i <= n; ++i) fact[i] = fact[i - 1] * i; ifact[n] = fact[n].inv(); for (int i = n; i >= 1; --i) ifact[i - 1] = ifact[i] * i; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; return fact[n] * ifact[k] * ifact[n - k]; } }; signed main() { ios::sync_with_stdio(false); cin.tie(0); combination com(100010); int N; cin >> N; for (int k = 1; k <= N; k++) { mint ans = 0; for (int i = 1; i <= N / k + 10; i++) { if (N - (k - 1) * (i - 1) < i)break; ans += com(N - (k - 1) * (i - 1), i); } cout << ans << endl; } return 0; }
Submission Info
Submission Time | |
---|---|
Task | 015 - Don't be too close(★6) |
User | Example |
Language | C++ (GCC 9.2.1) |
Score | 6 |
Code Size | 2088 Byte |
Status | AC |
Exec Time | 194 ms |
Memory | 4712 KiB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 6 / 6 | ||||
Status |
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Set Name | Test Cases |
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Sample | sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, sample_05.txt, sample_06.txt, sample_07.txt |
All | 01_random_01.txt, 01_random_02.txt, 01_random_03.txt, 01_random_04.txt, 01_random_05.txt, 01_random_06.txt, 01_random_07.txt, 01_random_08.txt, 01_random_09.txt, 01_random_10.txt, 01_random_11.txt, 01_random_12.txt, 01_random_13.txt, 01_random_14.txt, 01_random_15.txt, 02_large_01.txt, 02_large_02.txt, 02_large_03.txt, 02_large_04.txt, 02_large_05.txt, 02_large_06.txt, 02_large_07.txt, 02_large_08.txt, 02_large_09.txt, 02_large_10.txt, sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, sample_05.txt, sample_06.txt, sample_07.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01_random_01.txt | AC | 164 ms | 4664 KiB |
01_random_02.txt | AC | 153 ms | 4616 KiB |
01_random_03.txt | AC | 132 ms | 4692 KiB |
01_random_04.txt | AC | 138 ms | 4692 KiB |
01_random_05.txt | AC | 118 ms | 4576 KiB |
01_random_06.txt | AC | 125 ms | 4632 KiB |
01_random_07.txt | AC | 21 ms | 4596 KiB |
01_random_08.txt | AC | 105 ms | 4696 KiB |
01_random_09.txt | AC | 139 ms | 4668 KiB |
01_random_10.txt | AC | 46 ms | 4520 KiB |
01_random_11.txt | AC | 172 ms | 4528 KiB |
01_random_12.txt | AC | 15 ms | 4616 KiB |
01_random_13.txt | AC | 113 ms | 4528 KiB |
01_random_14.txt | AC | 186 ms | 4584 KiB |
01_random_15.txt | AC | 172 ms | 4712 KiB |
02_large_01.txt | AC | 176 ms | 4636 KiB |
02_large_02.txt | AC | 176 ms | 4596 KiB |
02_large_03.txt | AC | 157 ms | 4636 KiB |
02_large_04.txt | AC | 168 ms | 4592 KiB |
02_large_05.txt | AC | 155 ms | 4576 KiB |
02_large_06.txt | AC | 194 ms | 4696 KiB |
02_large_07.txt | AC | 188 ms | 4532 KiB |
02_large_08.txt | AC | 174 ms | 4632 KiB |
02_large_09.txt | AC | 187 ms | 4616 KiB |
02_large_10.txt | AC | 191 ms | 4632 KiB |
sample_01.txt | AC | 17 ms | 4692 KiB |
sample_02.txt | AC | 11 ms | 4512 KiB |
sample_03.txt | AC | 14 ms | 4668 KiB |
sample_04.txt | AC | 11 ms | 4572 KiB |
sample_05.txt | AC | 14 ms | 4520 KiB |
sample_06.txt | AC | 13 ms | 4520 KiB |
sample_07.txt | AC | 18 ms | 4688 KiB |