提出 #60544451


ソースコード 拡げる

#pragma region header
// C
#include <cassert>
#include <cctype>
#include <cfloat>
#include <climits>
#include <cmath>
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
// C++
#include <algorithm>
#include <array>
#include <bit>
#include <bitset>
#include <chrono>
#include <compare>
#include <complex>
#include <concepts>
#include <deque>
#include <functional>
#include <initializer_list>
#include <iomanip>
#include <ios>
#include <iostream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <numbers>
#include <numeric>
#include <queue>
#include <random>
#include <ranges>
#include <regex>
#include <set>
#include <span>
#include <sstream>
#include <stack>
#include <string>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <valarray>
#include <vector>
// atcoder
#include <atcoder/all>

#define int ll
#define all(a) begin(a), end(a)
#define rall(a) rbegin(a), rend(a)
#define rep1(i, n) for (decltype(+n) i = 0; i < (n); i++)
#define rrep1(i, n) for (auto i = (n) - 1; i >= 0; i--)
#define rep2(i, a, b) for (auto i = (a); i < (b); i++)
#define rrep2(i, a, b) for (auto i = (b) - 1; i >= a; i--)
#define GET_NAME(_1, _2, _3, NAME, ...) NAME
#define rep(...) GET_NAME(__VA_ARGS__, rep2, rep1)(__VA_ARGS__)
#define rrep(...) \
  GET_NAME(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__)
using namespace std;
using namespace literals;

using ll = long long;
using ld = long double;
using vi = vector<int>;
using vvi = vector<vi>;
using vs = vector<string>;
using vvs = vector<vs>;
using vd = vector<ld>;
using vvd = vector<vd>;
using vb = vector<bool>;
using vvb = vector<vb>;
using pii = pair<int, int>;
using vp = vector<pii>;
using vvp = vector<vp>;
using i3 = tuple<int, int, int>;
using vi3 = vector<i3>;
using vvi3 = vector<vi3>;
using i4 = tuple<int, int, int, int>;
using vi4 = vector<i4>;
using vvi4 = vector<vi4>;
using mii = map<int, int>;
template <class T, class U>
using umap = unordered_map<T, U>;
using umii = umap<int, int>;
using seti = set<int>;
template <class T>
using uset = unordered_set<T>;
using useti = uset<int>;
template <class T>
using less_queue = priority_queue<T>;
template <class T>
using greater_queue = priority_queue<T, vector<T>, greater<T>>;
using int128 = __int128_t;

template <class T, class U>
istream &operator>>(istream &is, pair<T, U> &x) {
  T a;
  U b;
  is >> a >> b;
  x = {a, b};
  return is;
}
template <class T, class U>
ostream &operator<<(ostream &os, const pair<T, U> &x) {
  return os << x.first << ' ' << x.second;
}
template <class T, class... U>
tuple<T, U...> read_tuple(istream &is) {
  T a;
  is >> a;
  if constexpr (sizeof...(U) == 0)
    return {a};
  else
    return tuple_cat(tuple{a}, read_tuple<U...>(is));
}
template <class... T>
istream &operator>>(istream &is, tuple<T...> &x) {
  x = read_tuple<T...>(is);
  return is;
}
template <size_t I = 0, class... T>
constexpr void write_tuple(ostream &os, const tuple<T...> &x) {
  if constexpr (I < sizeof...(T)) {
    if constexpr (I == 0)
      os << get<0>(x);
    else
      os << ' ' << get<I>(x);
    write_tuple<I + 1>(os, x);
  }
}
template <class... T>
ostream &operator<<(ostream &os, const tuple<T...> &x) {
  write_tuple(os, x);
  return os;
}
template <class T>
istream &operator>>(istream &is, vector<T> &v) {
  for (T &x : v) is >> x;
  return is;
}
template <class T>
ostream &operator<<(ostream &os, const vector<T> &v) {
  const int n = v.size();
  if (n) os << v[0];
  for (int i = 1; i < n; i++) os << ' ' << v[i];
  return os;
}
ostream &operator<<(ostream &os, int128 x) {
  if (!x) return os << '0';
  if (x < 0) {
    os << '-';
    x = -x;
  }
  string s;
  for (; x; x /= 10) s += x % 10 + '0';
  reverse(all(s));
  return os << s;
}

constexpr long long INF = 1e18;
constexpr ld EPS = 1e-10;
const ld PI = acosl(-1);
bool eq(ld a, ld b) {
  return abs(a - b) < EPS;
}

template <typename T>
void SORT(T &a) {
  stable_sort(all(a));
}
template <typename T>
T sorted(T a) {
  SORT(a);
  return a;
}
template <typename T>
void RSORT(T &a) {
  stable_sort(rall(a));
}
template <typename T>
T rsorted(T a) {
  RSORT(a);
  return a;
}
template <typename T, typename U>
void ERASE(T &a, U i) {
  a.erase(remove(all(a), i), end(a));
}
template <typename T>
void rev(T &a) {
  reverse(all(a));
}
template <typename T>
T reversed(T a) {
  rev(a);
  return a;
}
template <typename T>
void uniq(T &a) {
  a.erase(unique(all(a)), end(a));
}
template <typename T>
auto min_of(const vector<T> &a) {
  return *min_element(all(a));
}
template <typename T>
auto max_of(const vector<T> &a) {
  return *max_element(all(a));
}
template <typename T>
T sum_of(const vector<T> &a) {
  return accumulate(all(a), T{});
}
template <typename T>
int count_of(const T &a, T i) {
  return count(all(a), i);
}
template <typename T>
bool has(const vector<T> &a, T i) {
  return find(all(a), i) != end(a);
}
bool has(const string &a, char i) {
  return find(all(a), i) != end(a);
}
template <typename T>
bool has(const set<T> &a, T i) {
  return a.find(i) != a.end();
}
template <typename T, typename U>
bool has(const map<T, U> &a, T i) {
  return a.find(i) != a.end();
}
template <typename T, typename U>
bool has(const umap<T, U> &a, T i) {
  return a.find(i) != a.end();
}

void CIN() {};
template <class T, class... U>
void CIN(T &&x, U &&...y) {
  cin >> x;
  CIN(forward<U>(y)...);
}
void _COUT() {
  cout << endl;
}
template <class T, class... U>
void _COUT(T &&x, U &&...y) {
  cout << ' ' << x;
  _COUT(forward<U>(y)...);
}
void COUT() {
  _COUT();
};
template <class T, class... U>
void COUT(T &&x, U &&...y) {
  cout << x;
  _COUT(forward<U>(y)...);
}
void CSP() {};
template <class T, class... U>
void CSP(T &&x, U &&...y) {
  cout << x << ' ';
  CSP(forward<U>(y)...);
}

template <typename T>
bool amin(T &a, const T &b) {
  return a > b ? a = b, true : false;
}
template <typename T>
bool amax(T &a, const T &b) {
  return a < b ? a = b, true : false;
}

template <typename T>
vector<T> powers(T base, int N) {
  vector<T> ret(N + 1);
  ret[0] = 1;
  rep(i, N) ret[i + 1] = ret[i] * base;
  return ret;
}
template <typename T>
vector<T> factorials(int N) {
  vector<T> ret(N + 1);
  ret[0] = 1;
  rep(i, N) ret[i + 1] = ret[i] * T{i + 1};
  return ret;
}

int ceil_div(int x, int y) {
  int d = x / y;
  return d * y == x ? d : d + ((x > 0) ^ (y < 0));
}
int floor_div(int x, int y) {
  int d = x / y;
  return d * y == x ? d : d - ((x < 0) ^ (y < 0));
}
int out_div(int x, int y) {
  int d = x / y;
  return d * y == x ? d : ((x > 0) == (y > 0)) ? d + 1 : d - 1;
}

#pragma endregion header

struct union_find {
  vi data;
  union_find(int size) : data(size, -1) {}
  bool join(int x, int y) {
    x = root(x);
    y = root(y);
    if (x != y) {
      if (data[y] < data[x]) swap(x, y);
      data[x] += data[y];
      data[y] = x;
    }
    return x != y;
  }
  bool same(int x, int y) {
    return root(x) == root(y);
  }
  int root(int x) {
    return data[x] < 0 ? x : data[x] = root(data[x]);
  }
  int size(int x) {
    return -data[root(x)];
  }
};

void solve() {
  int N, M, K;
  CIN(N, M, K);

  map<int, vp> w_uv;
  rep(i, M) {
    int u, v, w;
    CIN(u, v, w);
    u--, v--;
    w_uv[w].emplace_back(u, v);
  }

  vi av(N), bv(N);
  rep(i, K) {
    int A, B;
    CIN(A, B);
    A--, B--;
    av[A]++;
    bv[B]++;
  }

  int ans = 0;

  union_find uf(N);

  for (auto [w, uv] : w_uv) {
    for (auto [u, v] : uv) {
      if (uf.same(u, v)) {
        continue;
      }
      u = uf.root(u);
      v = uf.root(v);
      uf.join(u, v);
      if (uf.root(u) == v) {
        swap(u, v);
      }
      av[u] += av[v];
      bv[u] += bv[v];
      int cnt = min(av[u], bv[u]);
      ans += cnt * w;
      av[u] -= cnt;
      bv[u] -= cnt;
    }
  }

  COUT(ans);
}

#pragma region main
signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  cout << fixed << setprecision(15);

  solve();
}
#pragma endregion main

提出情報

提出日時
問題 E - Sum of Max Matching
ユーザ dnek
言語 C++ 23 (gcc 12.2)
得点 0
コード長 7994 Byte
結果 WA
実行時間 283 ms
メモリ 29848 KiB

コンパイルエラー

Main.cpp:1: warning: ignoring ‘#pragma region header’ [-Wunknown-pragmas]
    1 | #pragma region header
      | 
Main.cpp:309: warning: ignoring ‘#pragma endregion header’ [-Wunknown-pragmas]
  309 | #pragma endregion header
      | 
Main.cpp:383: warning: ignoring ‘#pragma region main’ [-Wunknown-pragmas]
  383 | #pragma region main
      | 
Main.cpp:392: warning: ignoring ‘#pragma endregion main’ [-Wunknown-pragmas]
  392 | #pragma endregion main
      | 

ジャッジ結果

セット名 Sample All
得点 / 配点 0 / 0 0 / 500
結果
AC × 2
AC × 5
WA × 37
セット名 テストケース
Sample 00_sample_00.txt, 00_sample_01.txt
All 00_sample_00.txt, 00_sample_01.txt, 01_test_00.txt, 01_test_01.txt, 01_test_02.txt, 01_test_03.txt, 01_test_04.txt, 01_test_05.txt, 01_test_06.txt, 01_test_07.txt, 01_test_08.txt, 01_test_09.txt, 01_test_10.txt, 01_test_11.txt, 01_test_12.txt, 01_test_13.txt, 01_test_14.txt, 01_test_15.txt, 01_test_16.txt, 01_test_17.txt, 01_test_18.txt, 01_test_19.txt, 01_test_20.txt, 01_test_21.txt, 01_test_22.txt, 01_test_23.txt, 01_test_24.txt, 01_test_25.txt, 01_test_26.txt, 01_test_27.txt, 01_test_28.txt, 01_test_29.txt, 01_test_30.txt, 01_test_31.txt, 01_test_32.txt, 01_test_33.txt, 01_test_34.txt, 01_test_35.txt, 01_test_36.txt, 01_test_37.txt, 01_test_38.txt, 01_test_39.txt
ケース名 結果 実行時間 メモリ
00_sample_00.txt AC 1 ms 3380 KiB
00_sample_01.txt AC 1 ms 3464 KiB
01_test_00.txt WA 1 ms 3532 KiB
01_test_01.txt WA 1 ms 3592 KiB
01_test_02.txt WA 1 ms 3580 KiB
01_test_03.txt WA 123 ms 18720 KiB
01_test_04.txt WA 17 ms 7252 KiB
01_test_05.txt WA 5 ms 4456 KiB
01_test_06.txt AC 7 ms 4704 KiB
01_test_07.txt AC 1 ms 3424 KiB
01_test_08.txt WA 186 ms 25008 KiB
01_test_09.txt WA 212 ms 28436 KiB
01_test_10.txt WA 28 ms 7372 KiB
01_test_11.txt WA 28 ms 7804 KiB
01_test_12.txt WA 14 ms 6412 KiB
01_test_13.txt WA 43 ms 10596 KiB
01_test_14.txt WA 44 ms 12224 KiB
01_test_15.txt WA 67 ms 15128 KiB
01_test_16.txt WA 228 ms 29696 KiB
01_test_17.txt WA 283 ms 29720 KiB
01_test_18.txt WA 72 ms 12624 KiB
01_test_19.txt WA 55 ms 12736 KiB
01_test_20.txt WA 257 ms 29848 KiB
01_test_21.txt WA 264 ms 29776 KiB
01_test_22.txt WA 49 ms 11896 KiB
01_test_23.txt WA 60 ms 11836 KiB
01_test_24.txt WA 274 ms 29688 KiB
01_test_25.txt WA 275 ms 29788 KiB
01_test_26.txt WA 270 ms 29780 KiB
01_test_27.txt WA 279 ms 29688 KiB
01_test_28.txt WA 275 ms 29708 KiB
01_test_29.txt WA 221 ms 25324 KiB
01_test_30.txt WA 220 ms 25480 KiB
01_test_31.txt WA 217 ms 25332 KiB
01_test_32.txt WA 257 ms 29632 KiB
01_test_33.txt WA 256 ms 29776 KiB
01_test_34.txt WA 261 ms 29692 KiB
01_test_35.txt WA 98 ms 29748 KiB
01_test_36.txt WA 99 ms 29636 KiB
01_test_37.txt WA 89 ms 29776 KiB
01_test_38.txt WA 208 ms 29632 KiB
01_test_39.txt AC 1 ms 3516 KiB