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

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• Last update: 2024-04-22 02:14:31+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 int mod = 1e9 + 7;

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	605 ms	74 MB
clang++	2.in	AC	6 ms	4 MB
clang++	3.in	AC	6 ms	4 MB
clang++	4.in	AC	6 ms	4 MB
clang++	5.in	AC	697 ms	74 MB

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