結果
問題 | No.1911 Alternately Coloring |
ユーザー | tokusakurai |
提出日時 | 2022-04-06 22:25:54 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 479 ms / 4,000 ms |
コード長 | 5,660 bytes |
コンパイル時間 | 2,538 ms |
コンパイル使用メモリ | 219,716 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-05-05 19:57:54 |
合計ジャッジ時間 | 10,316 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 400 ms
5,376 KB |
testcase_07 | AC | 311 ms
5,376 KB |
testcase_08 | AC | 314 ms
5,376 KB |
testcase_09 | AC | 388 ms
5,376 KB |
testcase_10 | AC | 289 ms
5,376 KB |
testcase_11 | AC | 348 ms
5,376 KB |
testcase_12 | AC | 392 ms
5,376 KB |
testcase_13 | AC | 348 ms
5,376 KB |
testcase_14 | AC | 253 ms
5,376 KB |
testcase_15 | AC | 332 ms
5,376 KB |
testcase_16 | AC | 327 ms
5,376 KB |
testcase_17 | AC | 340 ms
5,376 KB |
testcase_18 | AC | 241 ms
5,376 KB |
testcase_19 | AC | 276 ms
5,376 KB |
testcase_20 | AC | 311 ms
5,376 KB |
testcase_21 | AC | 175 ms
5,376 KB |
testcase_22 | AC | 386 ms
5,376 KB |
testcase_23 | AC | 479 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 3 ms
5,376 KB |
testcase_27 | AC | 315 ms
5,376 KB |
testcase_28 | AC | 95 ms
5,376 KB |
testcase_29 | AC | 249 ms
5,376 KB |
testcase_30 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; i++) #define rep2(i, x, n) for (int i = x; i <= n; i++) #define rep3(i, x, n) for (int i = x; i >= n; i--) #define each(e, v) for (auto &e : v) #define pb push_back #define eb emplace_back #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define sz(x) (int)x.size() using ll = long long; using pii = pair<int, int>; using pil = pair<int, ll>; using pli = pair<ll, int>; using pll = pair<ll, ll>; template <typename T> bool chmax(T &x, const T &y) { return (x < y) ? (x = y, true) : false; } template <typename T> bool chmin(T &x, const T &y) { return (x > y) ? (x = y, true) : false; } template <typename T> int flg(T x, int i) { return (x >> i) & 1; } template <typename T> void print(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' '); if (v.empty()) cout << '\n'; } template <typename T> void printn(const vector<T> &v, T x = 0) { int n = v.size(); for (int i = 0; i < n; i++) cout << v[i] + x << '\n'; } template <typename T> int lb(const vector<T> &v, T x) { return lower_bound(begin(v), end(v), x) - begin(v); } template <typename T> int ub(const vector<T> &v, T x) { return upper_bound(begin(v), end(v), x) - begin(v); } template <typename T> void rearrange(vector<T> &v) { sort(begin(v), end(v)); v.erase(unique(begin(v), end(v)), end(v)); } template <typename T> vector<int> id_sort(const vector<T> &v, bool greater = false) { int n = v.size(); vector<int> ret(n); iota(begin(ret), end(ret), 0); sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; }); return ret; } template <typename S, typename T> pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) { return make_pair(p.first + q.first, p.second + q.second); } template <typename S, typename T> pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) { return make_pair(p.first - q.first, p.second - q.second); } template <typename S, typename T> istream &operator>>(istream &is, pair<S, T> &p) { S a; T b; is >> a >> b; p = make_pair(a, b); return is; } template <typename S, typename T> ostream &operator<<(ostream &os, const pair<S, T> &p) { return os << p.first << ' ' << p.second; } struct io_setup { io_setup() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(15); } } io_setup; const int inf = (1 << 30) - 1; const ll INF = (1LL << 60) - 1; const int MOD = 1000000007; // const int MOD = 998244353; struct Union_Find_Tree { vector<int> data; const int n; int cnt; Union_Find_Tree(int n) : data(n, -1), n(n), cnt(n) {} int root(int x) { if (data[x] < 0) return x; return data[x] = root(data[x]); } int operator[](int i) { return root(i); } bool unite(int x, int y) { x = root(x), y = root(y); if (x == y) return false; if (data[x] > data[y]) swap(x, y); data[x] += data[y], data[y] = x; cnt--; return true; } int size(int x) { return -data[root(x)]; } int count() { return cnt; }; bool same(int x, int y) { return root(x) == root(y); } void clear() { cnt = n; fill(begin(data), end(data), -1); } }; int main() { int N, M; cin >> N >> M; Union_Find_Tree uf(2 * N); vector<vector<int>> es(N); rep(i, M) { int u, v; cin >> u >> v; u--, v--; uf.unite(u, N + v), uf.unite(N + u, v); es[u].eb(v), es[v].eb(u); } vector<ll> A(N), B(N); rep(i, N) cin >> A[i]; rep(i, N) cin >> B[i]; if (!uf.same(0, N)) { ll ans1 = 0, ans2 = 0; rep(i, N) { ans1 += (uf.same(0, i) ? A[i] : B[i]); ans2 += (uf.same(0, i) ? B[i] : A[i]); } cout << max(ans1, ans2) << '\n'; return 0; } ll S = 0; rep(i, N) { if (A[i] < B[i]) { S += B[i]; A[i] = B[i] - A[i]; B[i] = 0; } else { S += A[i]; B[i] = A[i] - B[i]; A[i] = 0; } } ll ans = -INF; // print(A), print(B); rep(i, N) { { vector<ll> d(2 * N, INF); priority_queue<pli, vector<pli>, greater<pli>> que; que.emplace(d[i] = 0, i); while (!empty(que)) { auto [t, p] = que.top(); que.pop(); if (d[p] < t) continue; int u = p % N, c = p / N; each(e, es[u]) { ll tmp = t + (c == 0 ? B[e] : A[e]); int np = N * (c ^ 1) + e; if (np == N + i) chmax(ans, S - tmp); if (chmin(d[np], tmp)) que.emplace(d[np], np); } } } { vector<ll> d(2 * N, INF); priority_queue<pli, vector<pli>, greater<pli>> que; que.emplace(d[N + i] = 0, N + i); while (!empty(que)) { auto [t, p] = que.top(); que.pop(); if (d[p] < t) continue; int u = p % N, c = p / N; each(e, es[u]) { ll tmp = t + (c == 0 ? B[e] : A[e]); int np = N * (c ^ 1) + e; if (np == i) chmax(ans, S - tmp); if (chmin(d[np], tmp)) que.emplace(d[np], np); } } } } cout << ans << '\n'; }