結果
問題 | No.1259 スイッチ |
ユーザー | suta28407928 |
提出日時 | 2020-10-16 23:35:56 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 69 ms / 2,000 ms |
コード長 | 4,003 bytes |
コンパイル時間 | 1,597 ms |
コンパイル使用メモリ | 112,208 KB |
実行使用メモリ | 27,264 KB |
最終ジャッジ日時 | 2024-07-21 00:15:19 |
合計ジャッジ時間 | 6,862 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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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 | 52 ms
27,136 KB |
testcase_01 | AC | 50 ms
27,136 KB |
testcase_02 | AC | 51 ms
27,232 KB |
testcase_03 | AC | 50 ms
27,136 KB |
testcase_04 | AC | 54 ms
27,136 KB |
testcase_05 | AC | 51 ms
27,136 KB |
testcase_06 | AC | 53 ms
27,136 KB |
testcase_07 | AC | 52 ms
27,136 KB |
testcase_08 | AC | 52 ms
27,136 KB |
testcase_09 | AC | 49 ms
27,136 KB |
testcase_10 | AC | 57 ms
27,140 KB |
testcase_11 | AC | 60 ms
27,140 KB |
testcase_12 | AC | 56 ms
27,212 KB |
testcase_13 | AC | 58 ms
27,136 KB |
testcase_14 | AC | 60 ms
27,136 KB |
testcase_15 | AC | 56 ms
27,132 KB |
testcase_16 | AC | 56 ms
27,136 KB |
testcase_17 | AC | 57 ms
27,136 KB |
testcase_18 | AC | 61 ms
27,096 KB |
testcase_19 | AC | 60 ms
27,264 KB |
testcase_20 | AC | 54 ms
27,092 KB |
testcase_21 | AC | 58 ms
27,136 KB |
testcase_22 | AC | 50 ms
27,136 KB |
testcase_23 | AC | 61 ms
27,124 KB |
testcase_24 | AC | 60 ms
27,192 KB |
testcase_25 | AC | 56 ms
27,264 KB |
testcase_26 | AC | 62 ms
27,096 KB |
testcase_27 | AC | 66 ms
27,136 KB |
testcase_28 | AC | 55 ms
27,264 KB |
testcase_29 | AC | 59 ms
27,136 KB |
testcase_30 | AC | 55 ms
27,172 KB |
testcase_31 | AC | 60 ms
27,220 KB |
testcase_32 | AC | 58 ms
27,136 KB |
testcase_33 | AC | 61 ms
27,068 KB |
testcase_34 | AC | 52 ms
27,136 KB |
testcase_35 | AC | 59 ms
27,192 KB |
testcase_36 | AC | 64 ms
27,228 KB |
testcase_37 | AC | 64 ms
27,136 KB |
testcase_38 | AC | 55 ms
27,072 KB |
testcase_39 | AC | 60 ms
27,136 KB |
testcase_40 | AC | 56 ms
27,072 KB |
testcase_41 | AC | 63 ms
27,132 KB |
testcase_42 | AC | 58 ms
27,136 KB |
testcase_43 | AC | 56 ms
27,196 KB |
testcase_44 | AC | 65 ms
27,132 KB |
testcase_45 | AC | 64 ms
27,132 KB |
testcase_46 | AC | 53 ms
27,136 KB |
testcase_47 | AC | 61 ms
27,136 KB |
testcase_48 | AC | 55 ms
27,096 KB |
testcase_49 | AC | 64 ms
27,264 KB |
testcase_50 | AC | 54 ms
27,096 KB |
testcase_51 | AC | 57 ms
27,264 KB |
testcase_52 | AC | 69 ms
27,116 KB |
testcase_53 | AC | 62 ms
27,136 KB |
testcase_54 | AC | 69 ms
27,136 KB |
testcase_55 | AC | 59 ms
27,136 KB |
testcase_56 | AC | 63 ms
27,220 KB |
testcase_57 | AC | 65 ms
27,136 KB |
testcase_58 | AC | 57 ms
27,136 KB |
testcase_59 | AC | 58 ms
27,136 KB |
testcase_60 | AC | 56 ms
27,264 KB |
ソースコード
#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <iostream> #include <string> #include <cstdlib> #include <cmath> #include <vector> #include <unordered_map> #include <map> #include <set> #include <algorithm> #include <queue> #include <stack> #include <functional> #include <bitset> #include <assert.h> #include <unordered_map> #include <fstream> #include <ctime> #include <complex> using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<char> vc; typedef vector<string> vs; typedef vector<bool> vb; typedef vector<double> vd; typedef pair<ll,ll> P; typedef pair<int,int> pii; typedef vector<P> vpl; typedef tuple<ll,ll,ll> tapu; #define rep(i,n) for(int i=0; i<(n); i++) #define REP(i,a,b) for(int i=(a); i<(b); i++) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() const int inf = 1<<30; const ll linf = 1LL<<62; const int MAX = 1020000; ll dy[8] = {1,-1,0,0,1,-1,1,-1}; ll dx[8] = {0,0,1,-1,1,-1,-1,1}; const double pi = acos(-1); const double eps = 1e-10; template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){ if(a>b){ a = b; return true; } else return false; } template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){ if(a<b){ a = b; return true; } else return false; } template<typename T> inline void print(T &a){ for(auto itr = a.begin(); itr != a.end(); itr++){ cout << *itr << " "; } cout << "\n"; } template<typename T1,typename T2> inline void print2(T1 a, T2 b){ cout << "debug: " << a << " " << b << "\n"; } template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){ cout << "debug: " << a << " " << b << " " << c << "\n"; } void mark() {cout << "#" << "\n";} ll pcount(ll x) {return __builtin_popcountll(x);} const int mod = 1e9 + 7; //const int mod = 998244353; template <std::uint_fast64_t Modulus> class modint { using u64 = std::uint_fast64_t; public: u64 a; constexpr modint(const u64 x = 0) noexcept : a(x % Modulus) {} constexpr u64 &value() noexcept { return a; } constexpr const u64 &value() const noexcept { return a; } constexpr modint operator+(const modint rhs) const noexcept { return modint(*this) += rhs; } constexpr modint operator-(const modint rhs) const noexcept { return modint(*this) -= rhs; } constexpr modint operator*(const modint rhs) const noexcept { return modint(*this) *= rhs; } constexpr modint operator/(const modint rhs) const noexcept { return modint(*this) /= rhs; } constexpr modint &operator+=(const modint rhs) noexcept { a += rhs.a; if (a >= Modulus) { a -= Modulus; } return *this; } constexpr modint &operator-=(const modint rhs) noexcept { if (a < rhs.a) { a += Modulus; } a -= rhs.a; return *this; } constexpr modint &operator*=(const modint rhs) noexcept { a = a * rhs.a % Modulus; return *this; } constexpr modint &operator/=(modint rhs) noexcept { u64 exp = Modulus - 2; while (exp) { if (exp % 2) { *this *= rhs; } rhs *= rhs; exp /= 2; } return *this; } }; using mint = modint<mod>; vector<ll> fac(MAX), finv(MAX), inv(MAX); void comInit(){ fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for(ll i=2; i<MAX; i++){ fac[i] = fac[i-1]*i % mod; inv[i] = mod - inv[mod%i] * (mod/i) % mod; finv[i] = finv[i-1] * inv[i] % mod; } } ll com(ll n, ll k){ if(n < k) return 0; if(n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n-k] % mod) % mod; } ll modpow(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; } int main(){ ll n,k,m; cin >> n >> k >> m; comInit(); mint ans = 0; for(int i=n; i>=1; i--){ if(k % i != 0) continue; mint cnt = com(n-1,i-1) * fac[i-1]; cnt *= modpow(n,n-i,mod); ans += cnt; } if(m == 1) cout << ans.value() << "\n"; else{ mint as = modpow(n,n,mod); ans = (as - ans) / (n-1); cout << ans.value() << "\n"; } }