#337730 (C++14) No.812 Change of Class

提出ソース

結果

問題	No.812 Change of Class
ユーザー	lumc_
提出日時	2019-04-12 22:10:17
言語	C++14 (gcc 12.3.0 + boost 1.83.0)
結果	WA
実行時間	-
コード長	5,540 bytes
コンパイル時間	1,319 ms
コンパイル使用メモリ	122,372 KB
実行使用メモリ	14,440 KB
最終ジャッジ日時	2023-09-03 12:44:48
合計ジャッジ時間	4,847 ms
ジャッジサーバーID （参考情報）	judge12 / judge14

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	WA	-
testcase_01	WA	-
testcase_02	WA	-
testcase_03	WA	-
testcase_04	WA	-
testcase_05	AC	51 ms 11,704 KB
testcase_06	AC	44 ms 10,124 KB
testcase_07	AC	10 ms 5,752 KB
testcase_08	AC	5 ms 4,644 KB
testcase_09	AC	57 ms 12,320 KB
testcase_10	AC	56 ms 12,420 KB
testcase_11	AC	26 ms 8,348 KB
testcase_12	WA	-
testcase_13	AC	2 ms 4,572 KB
testcase_14	AC	2 ms 4,480 KB
testcase_15	AC	36 ms 9,636 KB
testcase_16	WA	-
testcase_17	AC	39 ms 9,968 KB
testcase_18	AC	28 ms 8,552 KB
testcase_19	AC	34 ms 9,096 KB
testcase_20	AC	55 ms 12,220 KB
testcase_21	AC	27 ms 8,476 KB
testcase_22	AC	15 ms 6,332 KB
testcase_23	WA	-
testcase_24	WA	-
testcase_25	WA	-
testcase_26	AC	46 ms 10,728 KB
testcase_27	AC	39 ms 9,928 KB
testcase_28	AC	32 ms 9,012 KB
testcase_29	AC	7 ms 5,348 KB
testcase_30	AC	37 ms 9,752 KB
testcase_31	AC	31 ms 8,956 KB
testcase_32	AC	17 ms 6,748 KB
testcase_33	AC	43 ms 10,300 KB
testcase_34	AC	5 ms 4,952 KB
testcase_35	AC	9 ms 5,688 KB
testcase_36	AC	5 ms 4,940 KB
testcase_37	AC	17 ms 6,820 KB
testcase_38	AC	14 ms 6,088 KB
testcase_39	AC	17 ms 6,840 KB
testcase_40	WA	-
testcase_41	AC	12 ms 5,808 KB
testcase_42	AC	33 ms 9,112 KB
testcase_43	WA	-
testcase_44	AC	25 ms 7,988 KB
testcase_45	AC	5 ms 4,940 KB
testcase_46	WA	-
testcase_47	AC	22 ms 7,908 KB
testcase_48	AC	32 ms 8,820 KB
testcase_49	AC	8 ms 5,540 KB
testcase_50	AC	3 ms 4,648 KB
testcase_51	AC	12 ms 6,064 KB
testcase_52	WA	-
testcase_53	AC	6 ms 5,136 KB
testcase_54	AC	5 ms 5,288 KB
testcase_55	AC	19 ms 9,728 KB
testcase_56	AC	22 ms 11,144 KB
testcase_57	AC	24 ms 11,480 KB
testcase_58	AC	14 ms 8,224 KB
testcase_59	AC	27 ms 12,524 KB
testcase_60	AC	3 ms 4,552 KB
testcase_61	WA	-
testcase_62	AC	2 ms 4,480 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

raw source code

// includes {{{
#include<iostream>
#include<iomanip>
#include<algorithm>
#include<vector>
#include<stack>
#include<queue>
#include<map>
#include<set>
#include<tuple>
#include<cmath>
#include<random>
#include<cassert>
#include<cstring>
// #include<deque>
// #include<multiset>
// #include<bitset>
// #include<cstring>
// #include<bits/stdc++.h>
// }}}
using namespace std;
using ll = long long;

// #undef DEBUG
// #define DEBUG
// DEBUG {{{
#include <array>
#include <deque>
#include <list>
#include <ostream>
#include <queue>
#include <stack>
#include <tuple>
#include <valarray>
#include <vector>
template < int n, class... T >
typename std::enable_if< (n >= sizeof...(T)) >::type __output_tuple(
    std::ostream &, std::tuple< T... > const &) {}
template < int n, class... T >
typename std::enable_if< (n < sizeof...(T)) >::type __output_tuple(
    std::ostream &os, std::tuple< T... > const &t) {
  os << (n == 0 ? "" : ", ") << std::get< n >(t);
  __output_tuple< n + 1 >(os, t);
}
template < class... T >
std::ostream &operator<<(std::ostream &os, std::tuple< T... > const &t) {
  os << "(";
  __output_tuple< 0 >(os, t);
  os << ")";
  return os;
}
template < class T, class U >
std::ostream &operator<<(std::ostream &os, std::pair< T, U > const &p) {
  os << "(" << p.first << ", " << p.second << ")";
  return os;
}
template < class T >
std::ostream &operator<<(std::ostream &os, const std::stack< T > &a) {
  os << "{";
  for(auto tmp = a; tmp.size(); tmp.pop())
    os << (a.size() == tmp.size() ? "" : ", ") << tmp.top();
  os << "}";
  return os;
}
template < class T, class Container, class Compare >
std::ostream &operator<<(std::ostream &os,
    std::priority_queue< T, Container, Compare > a) {
  os << "{ (top) ";
  while(a.size()) os << a.top() << (a.size() == 1 ? "" : ", "), a.pop();
  os << " }";
  return os;
}
template < class T, class Container >
std::ostream &operator<<(std::ostream &os, std::queue< T, Container > a) {
  os << "{ ";
  while(a.size()) os << a.front() << (a.size() == 1 ? "" : ", "), a.pop();
  os << " }";
  return os;
}
#ifdef DEBUG
#if !defined(DEBUG_OUT)
#define DEBUG_OUT std::cerr
#endif
#define dump(...)                                                                \
  [&]() {                                                                        \
    auto __debug_tap = std::make_tuple(__VA_ARGS__);                             \
    DEBUG_OUT << "[" << __LINE__ << "] " << #__VA_ARGS__ << " = " << __debug_tap \
    << std::endl;                                                      \
  }()
template < class T >
inline void dump2D(T &d, size_t sizey, size_t sizex) {
  for(size_t i = 0; i < sizey; i++) {
    DEBUG_OUT << "\t";
    for(size_t j = 0; j < sizex; j++)
      DEBUG_OUT << d[i][j] << (j + 1 == sizex ? "" : "\t");
    DEBUG_OUT << std::endl;
  }
}
template < class T >
inline void dump1D(T &d, size_t sizey) {
  for(size_t i = 0; i < sizey; i++) {
    DEBUG_OUT << d[i] << (i + 1 == sizey ? "" : " ");
  }
  DEBUG_OUT << std::endl;
}
template <
class T, class = typename std::iterator_traits< decltype(begin(T())) >::value_type,
      class = typename std::enable_if< !std::is_same< T, std::string >::value >::type >
      std::ostream &operator<<(std::ostream &os, const T &a) {
        os << "{";
        for(auto ite = begin(a); ite != end(a); ++ite)
          os << (ite == begin(a) ? "" : ", ") << *ite;
        os << "}";
        return os;
      }
#else
#define dump(...) (42)
#define dump2D(...) (42)
#define dump1D(...) (42)
template <
class T, class = typename std::iterator_traits< decltype(begin(T())) >::value_type,
      class = typename std::enable_if< !std::is_same< T, std::string >::value >::type >
      std::ostream &operator<<(std::ostream &os, const T &a) {
        for(auto ite = begin(a); ite != end(a); ++ite)
          os << (ite == begin(a) ? "" : " ") << *ite;
        return os;
      }
#endif
// }}}


int lg(int x) {
  int n = 0, t = 1;
  while(t < x) t <<= 1, n++;
  return n;
}

const int N = 1e5;
std::vector<std::vector<int>> g;
int n, m;

int used[N];

int dfs(int i) {
  if(used[i]) return 0;
  used[i] = 1;
  int res = 0;
  for(int j : g[i]) {
    res += dfs(j);
  }
  return res;
}

int dist[N][3];

void bfs(int f, int i, vector<int> & v) {
  queue<pair<int, int>> q;
  q.emplace(i, 0);
  dist[i][f] = 0;
  while(q.size()) {
    int i, d;
    tie(i, d) = q.front();
    dist[i][f] = d;
    v.emplace_back(i);
    q.pop();
    for(auto j : g[i]) {
      if(dist[j][f] == -1) {
        dist[j][f] = d + 1;
        q.emplace(j, d + 1);
      }
    }
  }
}

int main() {
  std::ios::sync_with_stdio(false), std::cin.tie(0);
  cin >> n >> m;
  g.resize(n);
  for(int i = 0; i < m; i++) {
    int a, b; std::cin >> a >> b;
    a--; b--;
    g[a].emplace_back(b);
    g[b].emplace_back(a);
  }
  for(int i = 0; i < n; i++) if(!used[i]) dfs(i);
  memset(dist, -1, sizeof dist);
  vector<int> ans1(n);
  vector<int> ans2(n);
  dump(n, m);
  for(int i = 0; i < n; i++) if(dist[i][0] == -1) {
    vector<int> v;
    bfs(0, i, v);
    pair<int, int> best(-1, 0);
    for(auto e : v) {
      ans1[e] = v.size() - 1;
      best = max(best, make_pair(dist[e][0], e));
    }
    v.clear();
    bfs(1, best.second, v);
    for(auto e : v) {
      best = max(best, make_pair(dist[e][1], e));
    }
    bfs(2, best.second, v);
    for(auto e : v) {
      ans2[e] = max(lg(max(dist[e][1], dist[e][2])), 0);
    }
  }

  int q;
  cin >> q;
  while(q--) {
    int a;
    cin >> a; a--;
    cout << ans1[a] << " " << ans2[a] << "\n";
  }

  return 0;
}

yukicoder

結果

テストケース

ソースコード