結果

問題 No.2710 How many more?
ユーザー dyktr_06dyktr_06
提出日時 2024-01-23 13:19:08
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 511 ms / 2,000 ms
コード長 5,542 bytes
コンパイル時間 2,580 ms
コンパイル使用メモリ 212,212 KB
実行使用メモリ 43,120 KB
最終ジャッジ日時 2024-09-28 06:42:52
合計ジャッジ時間 8,215 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge5
このコードへのチャレンジ
（要ログイン）

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 264 ms
23,252 KB
testcase_03 AC 255 ms
24,040 KB
testcase_04 AC 332 ms
30,420 KB
testcase_05 AC 157 ms
22,948 KB
testcase_06 AC 249 ms
27,768 KB
testcase_07 AC 50 ms
5,712 KB
testcase_08 AC 76 ms
12,600 KB
testcase_09 AC 299 ms
26,836 KB
testcase_10 AC 153 ms
16,380 KB
testcase_11 AC 159 ms
14,528 KB
testcase_12 AC 419 ms
30,024 KB
testcase_13 AC 492 ms
43,024 KB
testcase_14 AC 511 ms
43,120 KB
testcase_15 AC 485 ms
43,024 KB
testcase_16 AC 503 ms
43,024 KB
testcase_17 AC 487 ms
42,988 KB
testcase_18 AC 2 ms
5,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

#include <bits/stdc++.h>

using namespace std;

#define overload4(_1, _2, _3, _4, name, ...) name
#define rep1(n) for(int i = 0; i < (int)(n); ++i)
#define rep2(i, n) for(int i = 0; i < (int)(n); ++i)
#define rep3(i, a, b) for(int i = (a); i < (int)(b); ++i)
#define rep4(i, a, b, c) for(int i = (a); i < (int)(b); i += (c))
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)

#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; --i)
#define ALL(a) (a).begin(), (a).end()
#define Sort(a) (sort((a).begin(), (a).end()))
#define RSort(a) (sort((a).rbegin(), (a).rend()))
#define UNIQUE(a) (a.erase(unique((a).begin(), (a).end()), (a).end()))

typedef long long int ll;
typedef unsigned long long ul;
typedef long double ld;
typedef vector<int> vi;
typedef vector<long long> vll;
typedef vector<char> vc;
typedef vector<string> vst;
typedef vector<double> vd;
typedef vector<long double> vld;
typedef pair<long long, long long> P;

template<class T> long long sum(const T& a){ return accumulate(a.begin(), a.end(), 0LL); }
template<class T> auto min(const T& a){ return *min_element(a.begin(), a.end()); }
template<class T> auto max(const T& a){ return *max_element(a.begin(), a.end()); }

const long long MINF = 0x7fffffffffff;
const long long INF = 0x1fffffffffffffff;
const long long MOD = 998244353;
const long double EPS = 1e-9;
const long double PI = acos(-1);
 
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

template<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p){ is >> p.first >> p.second; return is; }
template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p){ os << "(" << p.first << ", " << p.second << ")"; return os; }
template<typename T> istream &operator>>(istream &is, vector<T> &v){ for(T &in : v) is >> in; return is; }
template<typename T> ostream &operator<<(ostream &os, const vector<T> &v){ for(int i = 0; i < (int) v.size(); ++i){ os << v[i] << (i + 1 != (int) v.size() ? " " : ""); } return os; }
template <typename T, typename S> ostream &operator<<(ostream &os, const map<T, S> &mp){ for(auto &[key, val] : mp){ os << key << ":" << val << " "; } return os; }
template <typename T> ostream &operator<<(ostream &os, const set<T> &st){ auto itr = st.begin(); for(int i = 0; i < (int)st.size(); ++i){ os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; }
template <typename T> ostream &operator<<(ostream &os, const multiset<T> &st){ auto itr = st.begin(); for(int i = 0; i < (int)st.size(); ++i){ os << *itr << (i + 1 != (int)st.size() ? " " : ""); itr++; } return os; }
template <typename T> ostream &operator<<(ostream &os, queue<T> q){ while(q.size()){ os << q.front() << " "; q.pop(); } return os; }
template <typename T> ostream &operator<<(ostream &os, deque<T> q){ while(q.size()){ os << q.front() << " "; q.pop_front(); } return os; }
template <typename T> ostream &operator<<(ostream &os, stack<T> st){ while(st.size()){ os << st.top() << " "; st.pop(); } return os; }
template <class T, class Container, class Compare> ostream &operator<<(ostream &os, priority_queue<T, Container, Compare> pq){ while(pq.size()){ os << pq.top() << " "; pq.pop(); } return os; }

template<class T, class U> inline T vin(T& vec, U n) { vec.resize(n); for(int i = 0; i < (int) n; ++i) cin >> vec[i]; return vec; }
template<class T> inline void vout(T vec, string s = "\n"){ for(auto x : vec) cout << x << s; }
template<class... T> void in(T&... a){ (cin >> ... >> a); }
void out(){ cout << '\n'; }
template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; }
template<class T, class U> void inGraph(vector<vector<T>>& G, U n, U m, bool directed = false){ G.resize(n); for(int i = 0; i < m; ++i){ int a, b; cin >> a >> b; a--, b--; G[a].push_back(b); if(!directed) G[b].push_back(a); } }

template <typename S, typename T>
struct DynamicBinaryIndexedTree{
    S N;
    unordered_map<S, T> data;
    DynamicBinaryIndexedTree(S _N): N(_N + 1){
    }

    void add(S i, const T &x){
        for(++i; i < N; i += i & -i) data[i] += x;
    }

    T sum(int i){
        if(i < 0){
            return 0;
        }
        T ans = 0;
        while(i > 0){
            const auto iter = data.find(i);
            if(iter != data.end()){
                ans += iter->second;
            }
            i -= i & -i;
        }
        return ans;
    }

    T sum(int L, int R){
        return sum(R) - sum(L);
    }

    T operator[](S i){
        return sum(i + 1) - sum(i);
    }

    S lower_bound(T x){
        if(x <= 0){
            return 0;
        }
        S v = 0, r = 1;
        while(r < N) r = r << 1;
        for(S len = r; len > 0; len = len >> 1){
            if(v + len < N && data[v + len] < x){
                x -= data[v + len];
                v += len;
            }
        }
        return v;
    }
};

ll n, q;
vll a;

void input(){
    in(n, q);
    vin(a, n);
}

void solve(){
    DynamicBinaryIndexedTree<ll, ll> BIT(2e9);
    rep(i, n){
        BIT.add(a[i], 1);
    }
    while(q--){
        ll x, y; in(x, y);
        x--, y--;
        if(a[x] <= a[y]){
            out(0);
            continue;
        }
        out(BIT.sum(a[y] + 1, a[x]));
    }
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(20);
    
    input();
    solve();
}
0