結果
問題 | No.641 Team Contest Estimation |
ユーザー |
|
提出日時 | 2018-02-05 20:29:55 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 43 ms / 2,000 ms |
コード長 | 3,130 bytes |
コンパイル時間 | 1,354 ms |
コンパイル使用メモリ | 172,192 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-07-08 07:21:44 |
合計ジャッジ時間 | 2,342 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 9 |
ソースコード
#define _USE_MATH_DEFINES#include "bits/stdc++.h"using namespace std;#define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i))#define rep(i,j) FOR(i,0,j)#define each(x,y) for(auto &(x):(y))#define mp make_pair#define MT make_tuple#define all(x) (x).begin(),(x).end()#define debug(x) cout<<#x<<": "<<(x)<<endl#define smax(x,y) (x)=max((x),(y))#define smin(x,y) (x)=min((x),(y))#define MEM(x,y) memset((x),(y),sizeof (x))#define sz(x) (int)(x).size()#define RT return#define vv(a,b,c,d) vector<vector<a> >(b,vector<a>(c,d))#define vvv(a,b,c,d,e) vector<vector<vector<a> > >(b,vv(a,c,d,e))using ll = long long;using pii = pair<int, int>;using vi = vector<int>;using vll = vector<ll>;template<int MOD>class ModInt {public:ModInt() :value(0) {}ModInt(long long val) :value((int)(val<0 ? MOD + val%MOD : val%MOD)) { }ModInt& operator+=(ModInt that) {value = value + that.value;if (value >= MOD)value -= MOD;return *this;}ModInt& operator-=(ModInt that) {value -= that.value;if (value<0)value += MOD;return *this;}ModInt& operator*=(ModInt that) {value = (int)((long long)value * that.value % MOD);return *this;}ModInt &operator/=(ModInt that) {return *this *= that.inverse();}ModInt operator+(ModInt that) const {return ModInt(*this) += that;}ModInt operator-(ModInt that) const {return ModInt(*this) -= that;}ModInt operator*(ModInt that) const {return ModInt(*this) *= that;}ModInt operator/(ModInt that) const {return ModInt(*this) /= that;}ModInt pow(long long k) const {if (value == 0)return 0;ModInt n = *this, res = 1;while (k) {if (k & 1)res *= n;n *= n;k >>= 1;}return res;}ModInt inverse() const {long long a = value, b = MOD, u = 1, v = 0;while (b) {long long t = a / b;a -= t * b;swap(a, b);u -= t * v;swap(u, v);}return ModInt(u);}int toi() const { return value; }private:int value;};typedef ModInt<1000000009> mint;ostream& operator<<(ostream& os, const mint& x) {os << x.toi();return os;}int main() {ios::sync_with_stdio(false);cin.tie(0);cout << fixed << setprecision(20);int N, K;cin >> N >> K;vll A(N);rep(i, N)cin >> A[i];mint ex, va;rep(i, K) {mint ave = 0;// exrep(j, 2) {mint w;rep(k, N) {w += j ^ (A[k] >> i & 1);}w *= mint(2).pow(i);w /= 2;ex += w;ave += w;}// varep(j, 2) {mint w;rep(k, N) {w += j ^ (A[k] >> i & 1);}w *= mint(2).pow(i);va += (w - ave).pow(2)/2;}}cout << ex*mint(2).pow(K) << endl;cout << va*mint(4).pow(K) << endl;}