結果

問題 No.1479 Matrix Eraser
ユーザー kuhaku
提出日時 2025-05-10 15:51:47
言語 C++23
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 5,088 bytes
コンパイル時間 4,606 ms
コンパイル使用メモリ 309,012 KB
実行使用メモリ 7,848 KB
最終ジャッジ日時 2025-05-10 15:51:55
合計ジャッジ時間 7,200 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge3
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ファイルパターン 結果
sample WA * 2
other WA * 39
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 # 

// competitive-verifier: PROBLEM
#include <cassert>
#include <string>
#include <vector>
/**
 * @brief Trie
 *
 * @tparam char_size 文字種
 * @tparam base
 *
 * @see https://algo-logic.info/trie-tree/
 * @see https://atcoder.jp/contests/tenka1-2016-final-open/tasks/tenka1_2016_final_c
 *
 * Usage:
 * Trie<26, 'a'> trie;
 * Trie<96, ' '> trie;
 */
template <int char_size, int base>
struct Trie {
  private:
    struct _node {
        std::vector<int> next_node;
        _node() : next_node(char_size, -1) {}
    };
  public:
    using node_type = _node;
    Trie() : root(0), nodes() { nodes.emplace_back(); }
    int size() const { return nodes.size(); }
    std::vector<int> insert(const std::string &word) {
        std::vector<int> res;
        int node_id = 0;
        for (int i = 0; i < (int)word.size(); ++i) {
            int c = word[i] - base;
            int &next_id = nodes[node_id].next_node[c];
            if (next_id == -1) {
                next_id = nodes.size();
                nodes.emplace_back();
            }
            node_id = next_id;
            res.emplace_back(node_id);
        }
        return res;
    }
    int search_id(const std::string &word) {
        int node_id = 0;
        for (int i = 0; i < (int)word.size(); ++i) {
            int c = word[i] - base;
            int &next_id = nodes[node_id].next_node[c];
            if (next_id == -1) return -1;
            node_id = next_id;
        }
        return node_id;
    }
    node_type get_node(int node_id) const {
        assert(0 <= node_id && node_id < (int)nodes.size());
        return nodes[node_id];
    }
  private:
    int root;
    std::vector<node_type> nodes;
};
#ifdef ATCODER
#pragma GCC target("sse4.2,avx512f,avx512dq,avx512ifma,avx512cd,avx512bw,avx512vl,bmi2")
#endif
#pragma GCC optimize("Ofast,fast-math,unroll-all-loops")
#include <bits/stdc++.h>
#ifndef ATCODER
#pragma GCC target("sse4.2,avx2,bmi2")
#endif
template <class T, class U>
constexpr bool chmax(T &a, const U &b) {
    return a < (T)b ? a = (T)b, true : false;
}
template <class T, class U>
constexpr bool chmin(T &a, const U &b) {
    return (T)b < a ? a = (T)b, true : false;
}
constexpr std::int64_t INF = 1000000000000000003;
constexpr int Inf = 1000000003;
constexpr double EPS = 1e-7;
constexpr double PI = 3.14159265358979323846;
#define FOR(i, m, n) for (int i = (m); i < int(n); ++i)
#define FORR(i, m, n) for (int i = (m)-1; i >= int(n); --i)
#define FORL(i, m, n) for (int64_t i = (m); i < int64_t(n); ++i)
#define rep(i, n) FOR (i, 0, n)
#define repn(i, n) FOR (i, 1, n + 1)
#define repr(i, n) FORR (i, n, 0)
#define repnr(i, n) FORR (i, n + 1, 1)
#define all(s) (s).begin(), (s).end()
struct Sonic {
    Sonic() {
        std::ios::sync_with_stdio(false);
        std::cin.tie(nullptr);
        std::cout << std::fixed << std::setprecision(20);
    }
    constexpr void operator()() const {}
} sonic;
using namespace std;
using ll = std::int64_t;
using ld = long double;
template <class T, class U>
std::istream &operator>>(std::istream &is, std::pair<T, U> &p) {
    return is >> p.first >> p.second;
}
template <class T>
std::istream &operator>>(std::istream &is, std::vector<T> &v) {
    for (T &i : v) is >> i;
    return is;
}
template <class T, class U>
std::ostream &operator<<(std::ostream &os, const std::pair<T, U> &p) {
    return os << '(' << p.first << ',' << p.second << ')';
}
template <class T>
std::ostream &operator<<(std::ostream &os, const std::vector<T> &v) {
    for (auto it = v.begin(); it != v.end(); ++it) os << (it == v.begin() ? "" : " ") << *it;
    return os;
}
template <class Head, class... Tail>
void co(Head &&head, Tail &&...tail) {
    if constexpr (sizeof...(tail) == 0) std::cout << head << '\n';
    else std::cout << head << ' ', co(std::forward<Tail>(tail)...);
}
template <class Head, class... Tail>
void ce(Head &&head, Tail &&...tail) {
    if constexpr (sizeof...(tail) == 0) std::cerr << head << '\n';
    else std::cerr << head << ' ', ce(std::forward<Tail>(tail)...);
}
void Yes(bool is_correct = true) { std::cout << (is_correct ? "Yes\n" : "No\n"); }
void No(bool is_not_correct = true) { Yes(!is_not_correct); }
void YES(bool is_correct = true) { std::cout << (is_correct ? "YES\n" : "NO\n"); }
void NO(bool is_not_correct = true) { YES(!is_not_correct); }
void Takahashi(bool is_correct = true) { std::cout << (is_correct ? "Takahashi" : "Aoki") << '\n'; }
void Aoki(bool is_not_correct = true) { Takahashi(!is_not_correct); }
int main(void) {
    int q;
    cin >> q;
    vector<int> l(500001), r(500001);
    Trie<26, 'a'> trie;
    int ans = 0;
    while (q--) {
        int t;
        string s;
        cin >> t >> s;
        if (t == 1) {
            auto v = trie.insert(s);
            for (auto x : v) {
                ans -= l[x];
                r[x] = 1;
            }
        } else {
            auto v = trie.insert(s);
            int k = 1;
            for (auto x : v) {
                k &= r[x] == 0;
            }
            ans += k;
            l[v.back()] += k;
        }
        co(ans);
    }
    return 0;
}
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