結果

問題 No.905 Sorted?
ユーザー ningenMe
提出日時 2019-10-11 21:31:25
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 212 ms / 2,000 ms
コード長 3,715 bytes
コンパイル時間 1,719 ms
コンパイル使用メモリ 173,228 KB
実行使用メモリ 6,820 KB
最終ジャッジ日時 2024-11-25 06:48:20
合計ジャッジ時間 4,824 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge5
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ファイルパターン 結果
other AC * 23
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ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
#define REP(i,n) for(long long i = 0; i < (n); i++)
#define FOR(i, m, n) for(long long i = (m);i < (n); ++i)
#define ALL(obj) (obj).begin(),(obj).end()
#define SPEED cin.tie(0);ios::sync_with_stdio(false);
template<class T> using V = vector<T>;
template<class T, class U> using P = pair<T, U>;
template<class T> using PQ = priority_queue<T>;
template<class T> using PQR = priority_queue<T,vector<T>,greater<T>>;
constexpr long long MOD = (long long)1e9 + 7;
constexpr long long MOD2 = 998244353;
constexpr long long HIGHINF = (long long)1e18;
constexpr long long LOWINF = (long long)1e15;
constexpr long double PI = 3.1415926535897932384626433;
template <class T> vector<T> multivector(size_t N,T init){return vector<T>(N,init);}
template <class... T> auto multivector(size_t N,T... t){return vector<decltype(multivector(t...))>(N,multivector(t...));}
template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}}
template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x
    .second << "}" << ","; o << " }"; return o;}
template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj
    .begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != 
    obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << 
    obj[i]; o << "}"; return o;}
template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;}
template <template <class tmp>  class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj
    .end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;}
void print(void) {cout << endl;}
template <class Head> void print(Head&& head) {cout << head;print();}
template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);}
template <class T> void chmax(T& a, const T b){a=max(a,b);}
template <class T> void chmin(T& a, const T b){a=min(a,b);}
void YN(bool flg) {cout << (flg ? "YES" : "NO") << endl;}
void Yn(bool flg) {cout << (flg ? "Yes" : "No") << endl;}
void yn(bool flg) {cout << (flg ? "yes" : "no") << endl;}
//Union Find Tree
class UnionFindTree {
public:
    vector<int> parent;
    vector<int> rank;
    UnionFindTree(int N) : parent(N), rank(N,0){
        for (int i = 0; i < N; ++i) parent[i] = i;
    }
 
    int root(int n) {
        return (parent[n] == n ? n : parent[n] = root(parent[n]));
    }
    int same(int n, int m) {
        return root(n) == root(m);
    }
 
    void unite(int n, int m) {
        n = root(n);
        m = root(m);
        if (n == m) return;
        if(rank[n]<rank[m]) {
            parent[n] = m;
        }
        else{
            parent[m] = n;
            if(rank[n] == rank[m]) rank[n]++;
        }
    }
};
int main() {
    int N,Q; cin >> N;
    vector<ll> A(N);
    for(int i = 0; i < N; ++i) cin >> A[i];
    UnionFindTree uf1(N),uf2(N);
    for(int i = 0; i + 1 < N; ++i) if(A[i]<=A[i+1]) uf1.unite(i,i+1); 
    for(int i = 0; i + 1 < N; ++i) if(A[i]>=A[i+1]) uf2.unite(i,i+1); 
    cin >> Q;
    for(int i = 0; i < Q; ++i) {
        int l,r; cin >> l >> r;
        cout << uf1.same(l,r) << " " << uf2.same(l,r) << endl;
    }
    return 0;
}
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