結果
問題 | No.1419 Power Moves |
ユーザー |
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提出日時 | 2021-03-05 23:31:38 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 254 ms / 2,000 ms |
コード長 | 3,228 bytes |
コンパイル時間 | 884 ms |
コンパイル使用メモリ | 94,264 KB |
最終ジャッジ日時 | 2025-01-19 12:03:06 |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 31 |
ソースコード
#include <iostream>#include <algorithm>#include <iomanip>#include <vector>#include <queue>#include <set>#include <map>#include <numeric>#include <cassert>#define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl;#define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl;template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }using namespace std;typedef long long ll;const ll MOD = 1000000007;class ModInt{public:ll v;ModInt(ll _v = 0){if(_v >= MOD) _v %= MOD;v = _v;}ModInt operator+(ll n){return ModInt((v+n)%MOD);}ModInt operator-(ll n){return ModInt((v-n+MOD)%MOD);}ModInt operator*(ll n){if(n >= MOD) n %= MOD;return ModInt((v*n)%MOD);}ModInt operator/(ll n){return ModInt((ModInt(n).inv()*v).v%MOD);}void operator+=(ll n){v = (v+n)%MOD;}void operator-=(ll n){v = (v-n+MOD)%MOD;}void operator*=(ll n){v = (v*n+MOD)%MOD;}ModInt operator+(ModInt n){return ModInt((v+n.v)%MOD);}ModInt operator-(ModInt n){return ModInt((v-n.v+MOD)%MOD);}ModInt operator*(ModInt n){return ModInt((v*n.v)%MOD);}ModInt operator/(ModInt n){return ModInt((n.inv()*v).v%MOD);}void operator+=(ModInt n){v = (v+n.v)%MOD;}void operator-=(ModInt n){v = (v-n.v+MOD)%MOD;}void operator*=(ModInt n){v = (v*n.v)%MOD;}void operator=(ModInt n){v = n.v;}bool operator==(ModInt n){return v == n.v;}bool operator!=(ModInt n){return v != n.v;}void operator=(ll n){v = n%MOD;}ModInt inv(){if(v == 1) return ModInt(1);else return ModInt(MOD-ModInt(MOD%v).inv().v*(MOD/v)%MOD);}};ostream& operator<<(ostream& os, const ModInt& m){os << m.v;return os;}istream & operator >> (istream &in, ModInt &m){in >> m.v;return in;}template <typename T>T pow_mod(T a, ll n, ll MOD) {T ans = 1;T tmp = a;for (int i = 0; i <= 60; i++) {ll m = (ll)1 << i;if (m & n) {ans *= tmp;ans %= MOD;}tmp *= tmp;tmp %= MOD;}return ans;}ModInt pow(ModInt a, ll n) {ModInt ans = 1;ModInt tmp = a;for (int i = 0; i <= 60; i++) {ll m = (ll)1 << i;if (m & n) {ans *= tmp;}tmp *= tmp;}return ans;}using mint = ModInt;int main(){ios::sync_with_stdio(false);cin.tie(0);cout << setprecision(10) << fixed;int n, k; cin >> n >> k;int sum = (pow_mod<ll>(2, k, n)+n-1)%n;mint all = pow(mint(2), k);auto calc = [&](int r){mint ans = (all-sum-1)/n;if(r <= sum) ans += 1;return ans;};vector<mint> ans(n);for(int l = 0; l < n; l++){int r = (sum-l+n)%n;int x = (l-r+n)%n;ans[x] += calc(l);}for(int i = 0; i < n; i++) cout << ans[i]/all << endl;}