結果

問題 No.2338 Range AtCoder Query
ユーザー tokusakuraitokusakurai
提出日時 2023-06-02 22:06:31
言語 C++17
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 293 ms / 4,000 ms
コード長 6,859 bytes
コンパイル時間 2,639 ms
コンパイル使用メモリ 218,596 KB
実行使用メモリ 37,700 KB
最終ジャッジ日時 2024-06-08 23:15:59
合計ジャッジ時間 12,389 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
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 2 ms
5,376 KB
testcase_03 AC 2 ms
5,376 KB
testcase_04 AC 2 ms
5,376 KB
testcase_05 AC 2 ms
5,376 KB
testcase_06 AC 3 ms
5,376 KB
testcase_07 AC 3 ms
5,376 KB
testcase_08 AC 2 ms
5,376 KB
testcase_09 AC 3 ms
5,376 KB
testcase_10 AC 3 ms
5,376 KB
testcase_11 AC 213 ms
28,044 KB
testcase_12 AC 208 ms
28,144 KB
testcase_13 AC 223 ms
28,452 KB
testcase_14 AC 207 ms
29,112 KB
testcase_15 AC 240 ms
30,312 KB
testcase_16 AC 274 ms
36,240 KB
testcase_17 AC 271 ms
36,240 KB
testcase_18 AC 272 ms
36,240 KB
testcase_19 AC 269 ms
36,248 KB
testcase_20 AC 275 ms
36,364 KB
testcase_21 AC 267 ms
36,364 KB
testcase_22 AC 274 ms
36,236 KB
testcase_23 AC 275 ms
36,372 KB
testcase_24 AC 277 ms
36,364 KB
testcase_25 AC 282 ms
36,376 KB
testcase_26 AC 149 ms
31,508 KB
testcase_27 AC 140 ms
31,644 KB
testcase_28 AC 150 ms
31,508 KB
testcase_29 AC 216 ms
35,452 KB
testcase_30 AC 293 ms
35,316 KB
testcase_31 AC 210 ms
37,692 KB
testcase_32 AC 185 ms
37,700 KB
testcase_33 AC 215 ms
34,388 KB
testcase_34 AC 213 ms
34,460 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 rep(i, n) for (int i = 0; i < (n); i++)
#define per(i, n) for (int i = (n)-1; i >= 0; i--)
#define rep2(i, l, r) for (int i = (l); i < (r); i++)
#define per2(i, l, r) for (int i = (r)-1; i >= (l); i--)
#define each(e, v) for (auto &e : v)
#define MM << " " <<
#define pb push_back
#define eb emplace_back
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define sz(x) (int)x.size()
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;

template <typename T>
using minheap = priority_queue<T, vector<T>, greater<T>>;

template <typename T>
using maxheap = priority_queue<T>;

template <typename T>
bool chmax(T &x, const T &y) {
    return (x < y) ? (x = y, true) : false;
}

template <typename T>
bool chmin(T &x, const T &y) {
    return (x > y) ? (x = y, true) : false;
}

template <typename T>
int flg(T x, int i) {
    return (x >> i) & 1;
}

int pct(int x) { return __builtin_popcount(x); }
int pct(ll x) { return __builtin_popcountll(x); }
int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); }
int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); }
int botbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); }
int botbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); }

template <typename T>
void print(const vector<T> &v, T x = 0) {
    int n = v.size();
    for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' ');
    if (v.empty()) cout << '\n';
}

template <typename T>
void printn(const vector<T> &v, T x = 0) {
    int n = v.size();
    for (int i = 0; i < n; i++) cout << v[i] + x << '\n';
}

template <typename T>
int lb(const vector<T> &v, T x) {
    return lower_bound(begin(v), end(v), x) - begin(v);
}

template <typename T>
int ub(const vector<T> &v, T x) {
    return upper_bound(begin(v), end(v), x) - begin(v);
}

template <typename T>
void rearrange(vector<T> &v) {
    sort(begin(v), end(v));
    v.erase(unique(begin(v), end(v)), end(v));
}

template <typename T>
vector<int> id_sort(const vector<T> &v, bool greater = false) {
    int n = v.size();
    vector<int> ret(n);
    iota(begin(ret), end(ret), 0);
    sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; });
    return ret;
}

template <typename T>
void reorder(vector<T> &a, const vector<int> &ord) {
    int n = a.size();
    vector<T> b(n);
    for (int i = 0; i < n; i++) b[i] = a[ord[i]];
    swap(a, b);
}

template <typename T>
T floor(T x, T y) {
    assert(y != 0);
    if (y < 0) x = -x, y = -y;
    return (x >= 0 ? x / y : (x - y + 1) / y);
}

template <typename T>
T ceil(T x, T y) {
    assert(y != 0);
    if (y < 0) x = -x, y = -y;
    return (x >= 0 ? (x + y - 1) / y : x / y);
}

template <typename S, typename T>
pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) {
    return make_pair(p.first + q.first, p.second + q.second);
}

template <typename S, typename T>
pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) {
    return make_pair(p.first - q.first, p.second - q.second);
}

template <typename S, typename T>
istream &operator>>(istream &is, pair<S, T> &p) {
    S a;
    T b;
    is >> a >> b;
    p = make_pair(a, b);
    return is;
}

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

struct io_setup {
    io_setup() {
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        cout << fixed << setprecision(15);
    }
} io_setup;

constexpr int inf = (1 << 30) - 1;
constexpr ll INF = (1LL << 60) - 1;
// constexpr int MOD = 1000000007;
constexpr int MOD = 998244353;

template <typename T>
struct Binary_Indexed_Tree {
    vector<T> bit;
    const int n;

    Binary_Indexed_Tree(const vector<T> &v) : n((int)v.size()) {
        bit.resize(n + 1);
        copy(begin(v), end(v), begin(bit) + 1);
        build();
    }

    Binary_Indexed_Tree(int n, T x = 0) : Binary_Indexed_Tree(vector<T>(n, x)) {}

    void set(int i, const T &x) { bit[i + 1] = x; }

    void build() {
        for (int a = 2; a <= n; a <<= 1) {
            for (int b = a; b <= n; b += a) bit[b] += bit[b - a / 2];
        }
    }

    void add(int i, const T &x) {
        for (i++; i <= n; i += (i & -i)) bit[i] += x;
    }

    void change(int i, const T &x) { add(i, x - query(i, i + 1)); }

    T sum(int i) const {
        i = min(i, n);
        if (i <= 0) return 0;
        T ret = 0;
        for (; i > 0; i -= (i & -i)) ret += bit[i];
        return ret;
    }

    T query(int l, int r) const {
        l = max(l, 0), r = min(r, n);
        if (l >= r) return 0;
        return sum(r) - sum(l);
    }

    T operator[](int i) const { return query(i, i + 1); }

    // v[0]+...+v[r] >= x を満たす最小の r (なければ n)
    int lower_bound(T x) const {
        int ret = 0;
        for (int k = 31 - __builtin_clz(n); k >= 0; k--) {
            if (ret + (1 << k) <= n && bit[ret + (1 << k)] < x) x -= bit[ret += (1 << k)];
        }
        return ret;
    }

    // v[0]+...+v[r] > x を満たす最小の r (なければ n)
    int upper_bound(T x) const {
        int ret = 0;
        for (int k = 31 - __builtin_clz(n); k >= 0; k--) {
            if (ret + (1 << k) <= n && bit[ret + (1 << k)] <= x) x -= bit[ret += (1 << k)];
        }
        return ret;
    }
};

void solve() {
    int N, M, Q;
    cin >> N >> M >> Q;

    vector<vector<int>> ac(M), wa(M);
    vector<int> p(N);
    vector<string> S(N);

    rep(i, N) {
        cin >> p[i] >> S[i];
        p[i]--;
        if (S[i] == "AC") {
            ac[p[i]].eb(i);
        } else {
            wa[p[i]].eb(i);
        }
    }

    vector<vector<pii>> qs(N);
    rep(i, Q) {
        int l, r;
        cin >> l >> r;
        l--;
        qs[l].eb(i, r);
    }

    Binary_Indexed_Tree<int> b1(N, 0), b2(N, 0);
    rep(i, M) {
        if (empty(ac[i])) continue;
        int j = ac[i][0];
        b1.add(j, 1);
        b2.add(j, lb(wa[i], j));
    }

    vector<int> a1(Q, -1), a2(Q, -1);

    rep(i, N) {
        for (auto [id, r] : qs[i]) {
            a1[id] = b1.query(i, r);
            a2[id] = b2.query(i, r);
        }

        int e = p[i];

        if (S[i] == "AC") {
            b1.change(i, 0);
            b2.change(i, 0);
            if (i != ac[e].back()) {
                int j = ac[e][ub(ac[e], i)];
                b1.add(j, 1);
                b2.add(j, lb(wa[e], j) - lb(wa[e], i));
            }
        } else {
            int j = lb(ac[e], i);
            if (j != sz(ac[e])) {
                j = ac[e][j];
                b2.add(j, -1);
            }
        }
    }

    rep(i, Q) cout << a1[i] MM a2[i] << '\n';
}

int main() {
    int T = 1;
    // cin >> T;
    while (T--) solve();
}
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