結果
問題 | No.1240 Or Sum of Xor Pair |
ユーザー | 👑 tute7627 |
提出日時 | 2020-11-30 21:45:16 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 433 ms / 2,000 ms |
コード長 | 5,294 bytes |
コンパイル時間 | 2,148 ms |
コンパイル使用メモリ | 207,736 KB |
実行使用メモリ | 17,160 KB |
最終ジャッジ日時 | 2024-09-13 02:36:45 |
合計ジャッジ時間 | 18,024 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 383 ms
15,464 KB |
testcase_01 | AC | 384 ms
15,464 KB |
testcase_02 | AC | 348 ms
15,592 KB |
testcase_03 | AC | 388 ms
15,496 KB |
testcase_04 | AC | 381 ms
15,628 KB |
testcase_05 | AC | 384 ms
15,492 KB |
testcase_06 | AC | 387 ms
15,492 KB |
testcase_07 | AC | 381 ms
15,484 KB |
testcase_08 | AC | 383 ms
15,608 KB |
testcase_09 | AC | 377 ms
15,488 KB |
testcase_10 | AC | 392 ms
15,624 KB |
testcase_11 | AC | 358 ms
15,784 KB |
testcase_12 | AC | 387 ms
15,768 KB |
testcase_13 | AC | 359 ms
15,984 KB |
testcase_14 | AC | 396 ms
15,904 KB |
testcase_15 | AC | 425 ms
17,024 KB |
testcase_16 | AC | 431 ms
17,160 KB |
testcase_17 | AC | 426 ms
17,152 KB |
testcase_18 | AC | 429 ms
17,156 KB |
testcase_19 | AC | 433 ms
17,152 KB |
testcase_20 | AC | 427 ms
17,028 KB |
testcase_21 | AC | 419 ms
17,028 KB |
testcase_22 | AC | 424 ms
17,028 KB |
testcase_23 | AC | 423 ms
17,156 KB |
testcase_24 | AC | 424 ms
17,024 KB |
testcase_25 | AC | 430 ms
17,028 KB |
testcase_26 | AC | 426 ms
17,028 KB |
testcase_27 | AC | 380 ms
15,468 KB |
testcase_28 | AC | 381 ms
15,460 KB |
testcase_29 | AC | 412 ms
17,160 KB |
testcase_30 | AC | 398 ms
16,372 KB |
testcase_31 | AC | 396 ms
16,248 KB |
testcase_32 | AC | 403 ms
17,028 KB |
ソースコード
//#define _GLIBCXX_DEBUG #include<bits/stdc++.h> using namespace std; #define endl '\n' #define lfs cout<<fixed<<setprecision(10) #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define fi first #define se second #define MP make_pair #define MT make_tuple #define PB push_back #define EB emplace_back #define rep(i,n,m) for(ll i = (n); i < (ll)(m); i++) #define rrep(i,n,m) for(ll i = (ll)(m) - 1; i >= (ll)(n); i--) using ll = long long; using ld = long double; const ll MOD1 = 1e9+7; const ll MOD9 = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T1, typename T2>bool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;} template<typename T1, typename T2>bool chmax(T1 &a,T2 b){if(a<b){a=b;return true;}else return false;} ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});} void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;} void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;} void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;} template<typename T1,typename T2>void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} template<typename T>void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++){cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}}; void debug(vector<string>&v,ll h,ll w){for(ll i=0;i<h;i++){for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}}; template<typename T>void debug(vector<T>&v,ll n){if(n!=0)cout<<v[0];for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;}; template<typename T>vector<vector<T>>vec(ll x, ll y, T w){vector<vector<T>>v(x,vector<T>(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} vector<ll>dx={1,-1,0,0,1,1,-1,-1};vector<ll>dy={0,0,1,-1,1,-1,1,-1}; template<typename T>vector<T> make_v(size_t a,T b){return vector<T>(a,b);} template<typename... Ts>auto make_v(size_t a,Ts... ts){return vector<decltype(make_v(ts...))>(a,make_v(ts...));} template<typename T1, typename T2>ostream &operator<<(ostream &os, const pair<T1, T2>&p){return os << p.first << " " << p.second;} template<typename T>ostream &operator<<(ostream &os, const vector<T> &v){for(auto &z:v)os << z << " ";cout<<"|"; return os;} template<typename T>void rearrange(vector<ll>&ord, vector<T>&v){ auto tmp = v; for(int i=0;i<tmp.size();i++)v[i] = tmp[ord[i]]; } template<typename Head, typename... Tail>void rearrange(vector<ll>&ord,Head&& head, Tail&&... tail){ rearrange(ord, head); rearrange(ord, tail...); } //mt19937 mt(chrono::steady_clock::now().time_since_epoch().count()); int popcount(ll x){return __builtin_popcountll(x);}; int poplow(ll x){return __builtin_ctzll(x);}; int pophigh(ll x){return 63 - __builtin_clzll(x);}; namespace BitConvolution{ template<typename T> vector<T> or_zeta(const vector<T> &v){ vector<T> ret = v; for(int i = 1; i < v.size(); i <<= 1){ for(int j = 0; j < v.size(); j++){ if(i & j)ret[j] += ret[j^i]; } } return ret; } template<typename T> vector<T> or_meb(const vector<T> &v){ vector<T> ret = v; for(int i = 1; i < v.size(); i <<= 1){ for(int j = 0; j < v.size(); j++){ if(i & j)ret[j] -= ret[j^i]; } } return ret; } template<typename T> vector<T> and_zeta(const vector<T> &v){ vector<T> ret = v; for(int i = 1; i < v.size(); i <<= 1){ for(int j = 0; j < v.size(); j++){ if(i & j)ret[j^i] += ret[j]; } } return ret; } template<typename T> vector<T> and_meb(const vector<T> &v){ vector<T> ret = v; for(int i = 1; i < v.size(); i <<= 1){ for(int j = 0; j < v.size(); j++){ if(i & j)ret[j^i] -= ret[j]; } } return ret; } template<typename T> vector<T> xor_zeta(const vector<T> &v){ vector<T> ret = v; for(int i = 1; i < v.size(); i <<= 1){ for(int j = 0; j < v.size(); j++){ if((i & j) == 0){ T x = ret[j], y = ret[j | i]; ret[j] = x + y, ret[j | i] = x - y; } } } return ret; } template<typename T> vector<T> xor_meb(const vector<T> &v){ vector<T> ret = v; for(int i = 1; i < v.size(); i <<= 1){ for(int j = 0; j < v.size(); j++){ if((i & j) == 0){ T x = ret[j], y = ret[j | i]; ret[j] = (x + y) >> 1, ret[j | i] = (x - y) >> 1; } } } return ret; } template<typename T> vector<T> xor_conv(const vector<T> &a, const vector<T> &b){ auto az = xor_zeta(a); auto bz = xor_zeta(b); for(int i = 0; i < az.size(); i++){ az[i] *= bz[i]; } return xor_meb(az); } }; int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); ll res=0,buf=0; bool judge = true; ll n,x;cin>>n>>x; vector<ll>a(n); rep(i,0,n)cin>>a[i]; using namespace BitConvolution; vector<ll>b(1<<18); rep(i,0,n)b[a[i]]++; auto xa=xor_conv(b,b); ll all=0; rep(i,0,min<ll>(xa.size(),x))all+=xa[i]; all-=n;all/=2; rep(i,0,18){ vector<ll>c(1<<18); ll num=0; rep(j,0,n){ if(~a[j]&1<<i)c[a[j]]++,num++; } auto xc=xor_conv(c,c); xc[0]-=num; ll dif=0; rep(i,0,min<ll>(xc.size(),x))dif+=xc[i]; dif/=2; res+=(all-dif)*(1LL<<i); } cout<<res<<endl; return 0; }