#876886 (C++17) No.2338 Range AtCoder Query

• 問題: No.2338 Range AtCoder Query
• ユーザー: yuto1115
• 提出日時: 2023-06-02 21:37:18
• 言語: C++17 (gcc 13.3.0 + boost 1.87.0)
• 結果: AC
• 実行時間: 195 ms / 4,000 ms
• コード長: 11,176 bytes
• コンパイル時間: 3,533 ms
• コンパイル使用メモリ: 231,020 KB
• 最終ジャッジ日時: 2025-02-13 17:50:38
• ジャッジサーバーID （参考情報）: judge1 / judge1

ファイルパターン	結果
sample	AC * 1
other	AC * 34

ソースコード

#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include<ext/pb_ds/tag_and_trait.hpp>
#define overload4(_1, _2, _3, _4, name, ...) name
#define rep1(i, n) for (ll i = 0; i < ll(n); ++i)
#define rep2(i, s, n) for (ll i = ll(s); i < ll(n); ++i)
#define rep3(i, s, n, d) for(ll i = ll(s); i < ll(n); i+=d)
#define rep(...) overload4(__VA_ARGS__,rep3,rep2,rep1)(__VA_ARGS__)
#define rrep1(i, n) for (ll i = ll(n)-1; i >= 0; i--)
#define rrep2(i, n, t) for (ll i = ll(n)-1; i >= (ll)t; i--)
#define rrep3(i, n, t, d) for (ll i = ll(n)-1; i >= (ll)t; i-=d)
#define rrep(...) overload4(__VA_ARGS__,rrep3,rrep2,rrep1)(__VA_ARGS__)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define SUM(a) accumulate(all(a),0LL)
#define MIN(a) *min_element(all(a))
#define MAX(a) *max_element(all(a))
#define SORT(a) sort(all(a));
#define REV(a) reverse(all(a));
#define SZ(a) int(a.size())
#define popcount(x) __builtin_popcountll(x)
#define pf push_front
#define pb push_back
#define ef emplace_front
#define eb emplace_back
#define ppf pop_front
#define ppb pop_back
#ifdef __LOCAL
#define debug(...) { cout << #__VA_ARGS__; cout << ": "; print(__VA_ARGS__); cout << flush; }
#else
#define debug(...) void(0);
#endif
#define INT(...) int __VA_ARGS__;scan(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__;scan(__VA_ARGS__)
#define STR(...) string __VA_ARGS__;scan(__VA_ARGS__)
#define CHR(...) char __VA_ARGS__;scan(__VA_ARGS__)
#define DBL(...) double __VA_ARGS__;scan(__VA_ARGS__)
#define LD(...) ld __VA_ARGS__;scan(__VA_ARGS__)
using namespace std;
using namespace __gnu_pbds;
using ll = long long;
using ld = long double;
using P = pair<int, int>;
using LP = pair<ll, ll>;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vvvl = vector<vvl>;
using vd = vector<double>;
using vvd = vector<vd>;
using vs = vector<string>;
using vc = vector<char>;
using vvc = vector<vc>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vp = vector<P>;
using vvp = vector<vp>;
using vlp = vector<LP>;
using vvlp = vector<vlp>;
template<class T>
using PQ = priority_queue<pair<T, int>, vector<pair<T, int>>, greater<pair<T, int>>>;

template<class S, class T>
istream &operator>>(istream &is, pair<S, T> &p) { return is >> p.first >> p.second; }

template<class S, class T>
ostream &operator<<(ostream &os, const pair<S, T> &p) { return os << '{' << p.first << ", " << p.second << '}'; }

template<class S, class T, class U>
istream &operator>>(istream &is, tuple<S, T, U> &t) { return is >> get<0>(t) >> get<1>(t) >> get<2>(t); }

template<class S, class T, class U>
ostream &operator<<(ostream &os, const tuple<S, T, U> &t) {
    return os << '{' << get<0>(t) << ", " << get<1>(t) << ", " << get<2>(t) << '}';
}

template<class T>
istream &operator>>(istream &is, vector<T> &v) {
    for (T &t: v) { is >> t; }
    return is;
}

template<class T>
ostream &operator<<(ostream &os, const vector<T> &v) {
    os << '[';
    rep(i, v.size()) os << v[i] << (i == int(v.size() - 1) ? "" : ", ");
    return os << ']';
}

template<class T>
ostream &operator<<(ostream &os, const deque<T> &v) {
    os << '[';
    rep(i, v.size()) os << v[i] << (i == int(v.size() - 1) ? "" : ", ");
    return os << ']';
}

template<class T>
ostream &operator<<(ostream &os, const set<T> &st) {
    os << '{';
    auto it = st.begin();
    while (it != st.end()) {
        os << (it == st.begin() ? "" : ", ") << *it;
        it++;
    }
    return os << '}';
}

template<class T>
ostream &operator<<(ostream &os, const multiset<T> &st) {
    os << '{';
    auto it = st.begin();
    while (it != st.end()) {
        os << (it == st.begin() ? "" : ", ") << *it;
        it++;
    }
    return os << '}';
}

template<class T, class U>
ostream &operator<<(ostream &os, const map<T, U> &mp) {
    os << '{';
    auto it = mp.begin();
    while (it != mp.end()) {
        os << (it == mp.begin() ? "" : ", ") << *it;
        it++;
    }
    return os << '}';
}

template<class T>
void vecout(const vector<T> &v, char div = '\n') {
    rep(i, v.size()) cout << v[i] << (i == int(v.size() - 1) ? '\n' : div);
}

template<class T>
bool constexpr chmin(T &a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}

template<class T>
bool constexpr chmax(T &a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

void scan() {}

template<class Head, class... Tail>
void scan(Head &head, Tail &... tail) {
    cin >> head;
    scan(tail...);
}

template<class T>
void print(const T &t) { cout << t << '\n'; }

template<class Head, class... Tail>
void print(const Head &head, const Tail &... tail) {
    cout << head << ' ';
    print(tail...);
}

template<class... T>
void fin(const T &... a) {
    print(a...);
    exit(0);
}

template<class T>
vector<T> &operator+=(vector<T> &v, T x) {
    for (T &t: v) t += x;
    return v;
}

template<class T>
vector<T> &operator-=(vector<T> &v, T x) {
    for (T &t: v) t -= x;
    return v;
}

template<class T>
vector<T> &operator*=(vector<T> &v, T x) {
    for (T &t: v) t *= x;
    return v;
}

template<class T>
vector<T> &operator/=(vector<T> &v, T x) {
    for (T &t: v) t /= x;
    return v;
}

struct Init_io {
    Init_io() {
        ios::sync_with_stdio(false);
        cin.tie(nullptr);
        cout.tie(nullptr);
        cout << boolalpha << fixed << setprecision(15);
        cerr << boolalpha << fixed << setprecision(15);
    }
} init_io;

const string yes[] = {"no", "yes"};
const string Yes[] = {"No", "Yes"};
const string YES[] = {"NO", "YES"};
const int inf = 1001001001;
const ll linf = 1001001001001001001;

void rearrange(const vi &) {}

template<class T, class... Tail>
void rearrange(const vi &ord, vector<T> &head, Tail &...tail) {
    assert(ord.size() == head.size());
    vector<T> ori = head;
    rep(i, ord.size()) head[i] = ori[ord[i]];
    rearrange(ord, tail...);
}

template<class T, class... Tail>
void sort_by(vector<T> &head, Tail &... tail) {
    vi ord(head.size());
    iota(all(ord), 0);
    sort(all(ord), [&](int i, int j) { return head[i] < head[j]; });
    rearrange(ord, head, tail...);
}

bool in_rect(int i, int j, int h, int w) {
    return 0 <= i and i < h and 0 <= j and j < w;
}

template<class T, class S>
vector<T> cumsum(const vector<S> &v, bool shift_one = true) {
    int n = v.size();
    vector<T> res;
    if (shift_one) {
        res.resize(n + 1);
        rep(i, n) res[i + 1] = res[i] + v[i];
    } else {
        res.resize(n);
        if (n) {
            res[0] = v[0];
            rep(i, 1, n) res[i] = res[i - 1] + v[i];
        }
    }
    return res;
}

vvi graph(int n, int m, bool directed = false, int origin = 1) {
    vvi G(n);
    rep(_, m) {
        INT(u, v);
        u -= origin, v -= origin;
        G[u].pb(v);
        if (!directed) G[v].pb(u);
    }
    return G;
}

template<class T>
vector<vector<pair<int, T>>> weighted_graph(int n, int m, bool directed = false, int origin = 1) {
    vector<vector<pair<int, T>>> G(n);
    rep(_, m) {
        int u, v;
        T w;
        scan(u, v, w);
        u -= origin, v -= origin;
        G[u].eb(v, w);
        if (!directed) G[v].eb(u, w);
    }
    return G;
}

template<class M>
class segtree {
    using S = typename M::S;
    
    int _n, sz;
    vector<S> d;

public:
    constexpr segtree() : segtree(0) {}
    
    constexpr segtree(int n) : segtree(vector<S>(n, M::e)) {}
    
    constexpr segtree(const vector<S> &init) : _n(int(init.size())) {
        sz = 1;
        while (sz < _n) sz *= 2;
        d.assign(sz * 2, M::e);
        rep(i, _n) d[sz + i] = init[i];
        rrep(i, sz, 1) d[i] = M::op(d[2 * i], d[2 * i + 1]);
    }
    
    void set(int p, const S &x) {
        assert(0 <= p and p < _n);
        p += sz;
        d[p] = x;
        while (p > 1) {
            p >>= 1;
            d[p] = M::op(d[2 * p], d[2 * p + 1]);
        }
    }
    
    template<class F>
    void apply(int p, const F &f) {
        assert(0 <= p and p < _n);
        p += sz;
        d[p] = f(d[p]);
        while (p > 1) {
            p >>= 1;
            d[p] = M::op(d[2 * p], d[2 * p + 1]);
        }
    }
    
    S get(int p) {
        assert(0 <= p and p < _n);
        return d[sz + p];
    }
    
    S prod(int l, int r) {
        assert(0 <= l and l <= r and r <= _n);
        l += sz, r += sz;
        S prod_l = M::e;
        S prod_r = M::e;
        while (l < r) {
            if (l & 1) prod_l = M::op(prod_l, d[l++]);
            if (r & 1) prod_r = M::op(d[--r], prod_r);
            l >>= 1, r >>= 1;
        }
        return M::op(prod_l, prod_r);
    }
    
    S all_prod() {
        return d[1];
    }
    
    template<class F>
    int max_right(int l, const F &f) const {
        assert(0 <= l && l <= _n);
        assert(f(M::e));
        if (l == _n) return _n;
        l += sz;
        S now = M::e;
        do {
            while (~l & 1) l >>= 1;
            if (!f(M::op(now, d[l]))) {
                while (l < sz) {
                    l *= 2;
                    if (f(M::op(now, d[l]))) {
                        now = M::op(now, d[l]);
                        ++l;
                    }
                }
                return l - sz;
            }
            now = M::op(now, d[l]);
            l++;
        } while ((l & -l) != l);
        return _n;
    }
    
    template<class F>
    int min_left(int r, const F &f) const {
        assert(0 <= r && r <= _n);
        assert(f(M::e));
        if (r == 0) return 0;
        r += sz;
        S now = M::e;
        do {
            --r;
            while (r > 1 and (r & 1)) r >>= 1;
            if (!f(M::op(d[r], now))) {
                while (r < sz) {
                    r = 2 * r + 1;
                    if (f(M::op(d[r], now))) {
                        now = M::op(d[r], now);
                        --r;
                    }
                }
                return r + 1 - sz;
            }
            now = M::op(d[r], now);
        } while ((r & -r) != r);
        return 0;
    }
};

class M {
public:
    using S = P;
    
    static constexpr S e = {0, 0};
    
    static constexpr S op(const S &l, const S &r) {
        return {l.first + r.first, l.second + r.second};
    }
};

int main() {
    INT(n, m, q);
    vi p(n);
    vb ac(n);
    rep(i, n) {
        scan(p[i]);
        --p[i];
        STR(s);
        ac[i] = (s == "AC");
    }
    vi l(q), r(q);
    rep(i, q) {
        scan(l[i], r[i]);
        --l[i];
    }
    vi ord(q);
    iota(all(ord), 0);
    sort(all(ord), [&](int i, int j) { return l[i] > l[j]; });
    vp ans(q);
    int it = 0;
    segtree<M> st(n + 1);
    vi fa(m, n);
    rrep(i, n) {
        if (ac[i]) {
            st.set(fa[p[i]], {0, 0});
            fa[p[i]] = i;
            st.set(fa[p[i]], {1, 0});
        } else {
            st.apply(fa[p[i]], [](P p) { return P{p.first, p.second + 1}; });
        }
        while (it < q and l[ord[it]] == i) {
            ans[ord[it]] = st.prod(l[ord[it]], r[ord[it]]);
            it++;
        }
    }
    rep(i, q) print(ans[i].first, ans[i].second);
}