結果
問題 | No.1282 Display Elements |
ユーザー | hamamu |
提出日時 | 2020-11-06 22:18:27 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 200 ms / 2,000 ms |
コード長 | 7,214 bytes |
コンパイル時間 | 2,642 ms |
コンパイル使用メモリ | 217,488 KB |
実行使用メモリ | 22,516 KB |
最終ジャッジ日時 | 2024-07-22 13:04:12 |
合計ジャッジ時間 | 4,374 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 1 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 1 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 184 ms
20,988 KB |
testcase_16 | AC | 57 ms
10,352 KB |
testcase_17 | AC | 137 ms
18,016 KB |
testcase_18 | AC | 79 ms
12,248 KB |
testcase_19 | AC | 27 ms
6,420 KB |
testcase_20 | AC | 30 ms
6,544 KB |
testcase_21 | AC | 200 ms
22,512 KB |
testcase_22 | AC | 36 ms
6,424 KB |
testcase_23 | AC | 189 ms
22,516 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; using ll=long long; using dd=double; using vll=vector< ll>; using vdd=vector< dd>; using vvll=vector< vll>; using vvdd=vector<vdd>; using vvvll=vector< vvll>; using vvvvll=vector<vvvll>; using pll=pair<ll,ll>; using tll=tuple<ll,ll,ll>; using qll=tuple<ll,ll,ll,ll>; using vpll=vector< pll>; using vtll=vector< tll>; using vqll=vector< qll>; using vvpll=vector<vpll>; using vvtll=vector<vtll>; using vvqll=vector<vqll>; constexpr ll INF = 1LL << 60; struct Fast{ Fast(){ cin.tie(0); ios::sync_with_stdio(false); cout<<fixed<<setprecision(numeric_limits<double>::max_digits10); } } fast; #define REPS(i, S, E) for (ll i = (S); i <= (E); i++) #define REP(i, N) REPS(i, 0, (N)-1) #define DEPS(i, S, E) for (ll i = (E); i >= (S); i--) #define DEP(i, N) DEPS(i, 0, (N)-1) #define rep(i, S, E) for (ll i = (S); i <= (E); i++) #define dep(i, E, S) for (ll i = (E); i >= (S); i--) #define each(e, v) for (auto&& e : v) #define ALL(v) (v).begin(), (v).end() #define RALL(v) (v).rbegin(), (v).rend() template<class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; }return false; } template<class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; }return false; } template<class T> inline T MaxE(vector<T>&v,ll S,ll E){ T m=v[S]; rep(i,S,E)chmax(m,v[i]); return m; } template<class T> inline T MinE(vector<T>&v,ll S,ll E){ T m=v[S]; rep(i,S,E)chmin(m,v[i]); return m; } template<class T> inline T MaxE(vector<T> &v) { return MaxE(v,0,(ll)v.size()-1); } template<class T> inline T MinE(vector<T> &v) { return MinE(v,0,(ll)v.size()-1); } template<class T> inline T Sum(vector<T> &v,ll S,ll E){ T s=T(); rep(i,S,E)s+=v[i]; return s; } template<class T> inline T Sum(vector<T> &v) { return Sum(v,0,v.size()-1); } template<class T> inline ll sz(T &v){ return (ll)v.size(); } inline ll CEIL(ll a,ll b){ return (a<0) ? -(-a/b) : (a+b-1)/b; } inline ll FLOOR(ll a,ll b){ return -CEIL(-a,b); } template<ll MOD> struct mll_{ ll val; mll_(ll v = 0): val(v % MOD){ if (val < 0) val += MOD; } mll_ operator - () const { return -val; } mll_ operator + (const mll_ &b) const { return val + b.val; } mll_ operator - (const mll_ &b) const { return val - b.val; } mll_ operator * (const mll_ &b) const { return val * b.val; } mll_ operator / (const mll_ &b) const { return mll_(*this) /= b; } mll_ operator + (ll b) const { return *this + mll_(b); } mll_ operator - (ll b) const { return *this - mll_(b); } mll_ operator * (ll b) const { return *this * mll_(b); } friend mll_ operator + (ll a,const mll_ &b) { return b + a; } friend mll_ operator - (ll a,const mll_ &b) { return -b + a; } friend mll_ operator * (ll a,const mll_ &b) { return b * a; } friend mll_ operator / (ll a,const mll_ &b) { return mll_(a)/b; } mll_ &operator += (const mll_ &b) { val=(val+b.val)%MOD; return *this; } mll_ &operator -= (const mll_ &b) { val=(val+MOD-b.val)%MOD; return *this; } mll_ &operator *= (const mll_ &b) { val=(val*b.val)%MOD; return *this; } mll_ &operator /= (const mll_ &b) { ll c=b.val,d=MOD,u=1,v=0; while (d){ ll t = c / d; c -= t * d; swap(c,d); u -= t * v; swap(u,v); } val = val * u % MOD; if (val < 0) val += MOD; return *this; } mll_ &operator += (ll b) { return *this += mll_(b); } mll_ &operator -= (ll b) { return *this -= mll_(b); } mll_ &operator *= (ll b) { return *this *= mll_(b); } mll_ &operator /= (ll b) { return *this /= mll_(b); } bool operator == (const mll_ &b) const { return val == b.val; } bool operator != (const mll_ &b) const { return val != b.val; } bool operator == (ll b) const { return *this == mll_(b); } bool operator != (ll b) const { return *this != mll_(b); } friend bool operator == (ll a,const mll_ &b) { return mll_(a) == b.val; } friend bool operator != (ll a,const mll_ &b) { return mll_(a) != b.val; } friend ostream &operator << (ostream &os,const mll_ &a) { return os << a.val; } friend istream &operator >> (istream &is,mll_ &a) { return is >> a.val; } static mll_ Combination(ll a,ll b){ chmin(b,a-b); if (b<0) return mll_(0); mll_ c = 1; rep(i,0,b-1) c *= a-i; rep(i,0,b-1) c /= i+1; return c; } }; using mll = mll_<1000000007LL>; using vmll = std::vector<mll>; using vvmll = std::vector<vmll>; using vvvmll = std::vector<vvmll>; using vvvvmll = std::vector<vvvmll>; #if 0 #include <atcoder/all> using namespace atcoder; #endif template <class T> struct CumulativeSumG{ ll s=0,e=-1; vector<T> c; CumulativeSumG(){}; CumulativeSumG(vector<T> &v): e(v.size()-1),c(e+2) { Ini(v); } CumulativeSumG(vector<T> &v,ll S,ll E): s(S),e(E),c(e-s+2){ Ini(v); } void init(vector<T> &v){ e=v.size()-1; c.resize(e+2); Ini(v); } void init(vector<T> &v,ll S,ll E){ s=S; e=E; c.resize(e-s+2); Ini(v); } void add(T x) { e++; c.push_back(c.back() + x); } T operator()(ll l,ll r){ return c[max(min(e,r),s-1)+1-s]-c[min(max(s,l),e+1)-s]; } void Ini(vector<T> &v) { rep(i,s,e) c[i+1-s] = c[i-s] + v[i]; } }; using CumulativeSum = CumulativeSumG<ll>; /* CumulativeSum cm(ini); //iniの累積和準備 CumulativeSum cm(ini,4,10); //ini[4]~ini[10]の累積和準備 cm.add(93); //末尾に93を追加準備(上の続きならini[11]=93と見なして累積和準備) ll sm=cm(5,9); //ini[5]~ini[9]の和 ll sm=cm(4,2); //定義外は0埋めと見なす&逆順は正負反転するだけで落ちない */ struct coordinateCompression{ map<ll, ll> val2idx; vll idx2val; coordinateCompression(){} void add(ll val){ val2idx[val]=0; } void add(vll v){ each(e, v) val2idx[e]=0; } void compress(){ ll cnt=0; each(e, val2idx){ idx2val.push_back(e.first); e.second=cnt++; } } ll size(){ return (ll)idx2val.size(); } ll v2i(ll v){ return val2idx[v]; } ll i2v(ll i){ return idx2val[i]; } }; template <class T> struct BIT_{ vector<T> v; ll N; BIT_(){} BIT_(ll N) { Init(N); } void Init(ll N) { v.resize(N+1); this->N = N; } void add(ll i, T x) { for (i++; i<=N; i+=i&(-i)) v[i]+=x; } T sum(ll i) { T s=0; for (i++; i>0; i-=i&(-i)) s+=v[i]; return s; } T sum(ll i, ll j) { return sum(j)-sum(i-1); } ll lower_bound(T s){ ll i=0,l=1; while (l<N) l<<=1; for(; l>0; l>>=1) if(i+l<=N && v[i+l]<s) s-=v[i+=l]; return i; } void Dump() { rep(i,0,N-1) cerr<<setw(3)<< i <<" "<<setw(5)<< sum(i,i) <<'\n'; } }; using BIT = BIT_<ll>; void solve() { ll n; cin >> n; vector<ll> a(n); rep(i,0,n-1){ ll a_; cin>>a_; a[i]=a_; } vector<ll> b(n); rep(i,0,n-1){ ll b_; cin>>b_; b[i]=b_; } sort(ALL(a)); CumulativeSum cm(b); coordinateCompression co; co.add(a); co.add(b); co.compress(); ll m=co.size(); BIT bit(m); ll ans=0; rep(i,0,n-1){ ll aa = a[i]; ll bb = b[i]; ll aaa = co.val2idx[aa]; ll bbb = co.val2idx[bb]; bit.add(bbb,1); ll nm=bit.sum(aaa-1); ans+=nm; } cout << ans << '\n'; } int main(){ #if 1 solve(); //cin2solve(); //generand(); #else ll t; cin >> t; rep(i, 0, t-1){ solve(); //cin2solve(); } #endif return 0; }