test/verify/aoj-alds-1-9-c.test.cpp

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• Last update: 2024-05-01 23:44:47+09:00
• Problem: http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ALDS1_9_C

Depends on

• Leftist-Heap (structure/heap/leftist-heap.hpp)
• template/template.hpp

Code

// competitive-verifier: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ALDS1_9_C

#include "../../template/template.hpp"

#include "../../structure/heap/leftist-heap.hpp"

int main() {
  string s;
  LeftistHeap< int, false > que;
  auto root = que.make_root();
  while(cin >> s, s != "end") {
    if(s == "insert") {
      int x;
      cin >> x;
      root = que.push(root, x);
    } else {
      cout << root->key << "\n";
      root = que.pop(root);
    }
  }
}

#line 1 "test/verify/aoj-alds-1-9-c.test.cpp"
// competitive-verifier: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ALDS1_9_C

#line 1 "template/template.hpp"
#include <bits/stdc++.h>

using namespace std;

using int64 = long long;

const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;

struct IoSetup {
  IoSetup() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
    cerr << fixed << setprecision(10);
  }
} iosetup;

template <typename T1, typename T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p) {
  os << p.first << " " << p.second;
  return os;
}

template <typename T1, typename T2>
istream &operator>>(istream &is, pair<T1, T2> &p) {
  is >> p.first >> p.second;
  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 != v.size() ? " " : "");
  }
  return os;
}

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

template <typename T1, typename T2>
inline bool chmax(T1 &a, T2 b) {
  return a < b && (a = b, true);
}

template <typename T1, typename T2>
inline bool chmin(T1 &a, T2 b) {
  return a > b && (a = b, true);
}

template <typename T = int64>
vector<T> make_v(size_t a) {
  return vector<T>(a);
}

template <typename T, typename... Ts>
auto make_v(size_t a, Ts... ts) {
  return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...));
}

template <typename T, typename V>
typename enable_if<is_class<T>::value == 0>::type fill_v(T &t, const V &v) {
  t = v;
}

template <typename T, typename V>
typename enable_if<is_class<T>::value != 0>::type fill_v(T &t, const V &v) {
  for (auto &e : t) fill_v(e, v);
}

template <typename F>
struct FixPoint : F {
  explicit FixPoint(F &&f) : F(forward<F>(f)) {}

  template <typename... Args>
  decltype(auto) operator()(Args &&...args) const {
    return F::operator()(*this, forward<Args>(args)...);
  }
};

template <typename F>
inline decltype(auto) MFP(F &&f) {
  return FixPoint<F>{forward<F>(f)};
}
#line 4 "test/verify/aoj-alds-1-9-c.test.cpp"

#line 1 "structure/heap/leftist-heap.hpp"
/**
 * @brief Leftist-Heap
 */
template <typename T, bool isMin = true>
struct LeftistHeap {
  struct Node {
    Node *l, *r;
    int s;
    T key;
    int idx;

    explicit Node(const T &key, int idx)
        : key(key), s(1), l(nullptr), r(nullptr), idx(idx) {}
  };

  LeftistHeap() = default;

  virtual Node *clone(Node *t) { return t; }

  Node *alloc(const T &key, int idx = -1) { return new Node(key, idx); }

  Node *meld(Node *a, Node *b) {
    if (!a || !b) return a ? a : b;
    if ((a->key < b->key) ^ isMin) swap(a, b);
    a = clone(a);
    a->r = meld(a->r, b);
    if (!a->l || a->l->s < a->r->s) swap(a->l, a->r);
    a->s = (a->r ? a->r->s : 0) + 1;
    return a;
  }

  Node *push(Node *t, const T &key, int idx = -1) {
    return meld(t, alloc(key, idx));
  }

  Node *pop(Node *t) {
    assert(t != nullptr);
    return meld(t->l, t->r);
  }

  Node *make_root() { return nullptr; }
};
#line 6 "test/verify/aoj-alds-1-9-c.test.cpp"

int main() {
  string s;
  LeftistHeap< int, false > que;
  auto root = que.make_root();
  while(cin >> s, s != "end") {
    if(s == "insert") {
      int x;
      cin >> x;
      root = que.push(root, x);
    } else {
      cout << root->key << "\n";
      root = que.pop(root);
    }
  }
}

Test cases

Env	Name	Status	Elapsed	Memory
g++	2.in	AC	6 ms	4 MB
g++	3.in	AC	6 ms	4 MB
g++	4.in	AC	6 ms	4 MB
g++	5.in	AC	640 ms	74 MB
clang++	2.in	AC	6 ms	4 MB
clang++	3.in	AC	6 ms	4 MB
clang++	4.in	AC	7 ms	4 MB
clang++	5.in	AC	745 ms	74 MB

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