#222523 (C++14) No.610 区間賞(Section Award)

• 問題: No.610 区間賞(Section Award)
• ユーザー: algon_320
• 提出日時: 2017-12-10 00:48:20
• 言語: C++14 (gcc 13.3.0 + boost 1.87.0)
• 結果: AC
• 実行時間: 39 ms / 2,000 ms
• コード長: 2,519 bytes
• コンパイル時間: 1,835 ms
• コンパイル使用メモリ: 175,020 KB
• 実行使用メモリ: 7,040 KB
• 最終ジャッジ日時: 2024-11-30 06:01:14
• 合計ジャッジ時間: 4,042 ms
• ジャッジサーバーID （参考情報）: judge2 / judge4

ファイルパターン	結果
other	AC * 50

ソースコード

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#include <bits/stdc++.h>
using namespace std;
#define int long long
using ll=long long;
using vi=vector<int>;
using pii=pair<int,int>;
#define ALL(c) begin(c),end(c)
#define RALL(c) rbegin(c),rend(c)
#define ITR(i,b,e) for(auto i=(b);i!=(e);++i)
#define FORE(x,c) for(auto &x:c)
#define REPF(i,a,n) for(int i=a,i##len=(int)(n);i<i##len;++i)
#define REP(i,n) REPF(i,0,n)
#define REPR(i,n) for(int i=(int)(n);i>=0;--i)
#define SZ(c) ((int)c.size())
#define CONTAIN(c,x) (c.find(x)!=end(c))
#define OUTOFRANGE(y,x,h,w) (y<0||x<0||y>=h||x>=w)
#define dump(...)
const int DX[9]={0,1,0,-1,1,1,-1,-1,0},DY[9]={-1,0,1,0,-1,1,1,-1,0};
#define INF (1001001001)
#define INFLL (1001001001001001001ll)
template<class T> ostream& operator << (ostream &os,const vector<T> &v) {
    ITR(i,begin(v),end(v)) os<<*i<<(i==end(v)-1?"":"\n"); return os; }
template<class T> istream& operator >> (istream &is,vector<T> &v) {
    ITR(i,begin(v),end(v)) is>>*i; return is; }
template<class T> istream& operator >> (istream &is, pair<T,T> &p) {
    is>>p.first>>p.second; return is; }
template <class T> bool chmax(T &a,const T &b) {if(a<b) {a=b;return 1;} return 0;}
template <class T> bool chmin(T &a,const T &b) {if(b<a) {a=b;return 1;} return 0;}
template <class T> using heap = priority_queue<T,vector<T>,greater<T>>;
struct before_main_function {
    before_main_function() {
        #ifdef int
            #undef INF
            #define INF INFLL
            #define stoi stoll
        #endif
        cin.tie(0);ios::sync_with_stdio(false);
        cout<<setprecision(15)<<fixed;
        #define endl "\n"
    }
} before_main_function;
//------------------8<------------------------------------8<--------------------
// 1-indexed
struct BIT {
    vector<int> dat;
    int n;
    BIT(int n_) {
        n=n_;
        dat=vector<int>(n,0);
    }
    void add(int i,int x) {
        while(i<=n) {
            dat[i]+=x;
            i+=i&-i;
        }
    }
    int sum(int i) {
        int ret=0;
        while(i>0) {
            ret+=dat[i];
            i-=i&-i;
        }
        return ret;
    }
};
signed main() {
    int n;
    cin>>n;
    vector<int> a(n),b(n);
    cin>>a>>b;
    vector<int> idx_a(n);
    REP(i,n) {
        idx_a[a[i]-1]=i+1;
    }
    BIT bit(n+1);
    vector<int> ans;
    ans.reserve(n);
    REP(i,n) {
        if(bit.sum(n)-bit.sum(idx_a[b[i]-1])>0) {
            continue;
        }
        bit.add(idx_a[b[i]-1],1);
        ans.push_back(b[i]);
    }
    sort(ALL(ans));
    cout<<ans<<endl;
    return 0;
}
 
 
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