結果
問題 | No.416 旅行会社 |
ユーザー | arktan763 |
提出日時 | 2020-02-06 17:53:06 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 508 ms / 4,000 ms |
コード長 | 6,633 bytes |
コンパイル時間 | 1,966 ms |
コンパイル使用メモリ | 183,956 KB |
実行使用メモリ | 36,608 KB |
最終ジャッジ日時 | 2024-05-08 15:46:19 |
合計ジャッジ時間 | 7,619 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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 | 182 ms
23,552 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 6 ms
6,940 KB |
testcase_09 | AC | 22 ms
6,940 KB |
testcase_10 | AC | 214 ms
23,508 KB |
testcase_11 | AC | 229 ms
30,092 KB |
testcase_12 | AC | 231 ms
29,184 KB |
testcase_13 | AC | 192 ms
27,456 KB |
testcase_14 | AC | 503 ms
35,840 KB |
testcase_15 | AC | 508 ms
36,224 KB |
testcase_16 | AC | 503 ms
36,608 KB |
testcase_17 | AC | 500 ms
36,016 KB |
testcase_18 | AC | 496 ms
35,968 KB |
testcase_19 | AC | 269 ms
22,912 KB |
testcase_20 | AC | 264 ms
22,548 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define int long long #define double long double #define FOR(i, a, b) for(int i = (a); i < (b); ++i) #define FORR(i, a, b) for(int i = (a); i > (b); --i) #define REP(i, n) for(int i = 0; i < (n); ++i) #define REPR(i, n) for(int i = n; i >= 0; i--) #define FOREACH(x, a) for(auto &(x) : (a)) #define VECCIN(x) \ for(auto &youso_ : (x)) cin >> youso_ #define bitcnt(x) __builtin_popcount(x) #define lbit(x) __builtin_ffsll(x) #define rbit(x) (64 - __builtin_clzll(x)) #define fi first #define se second #define All(a) (a).begin(), (a).end() #define rAll(a) (a).rbegin(), (a).rend() #define cinfast() cin.tie(0), ios::sync_with_stdio(false) #define PERM(c) \ sort(All(c)); \ for(bool cp = true; cp; cp = next_permutation(All(c))) #define COMB(n, k) \ for(ll bit = (1LL << k) - 1; bit < (1LL << n); bit = next_combination(bit)) #define PERM2(n, k) \ COMB(n, k) { \ vector<int> sel; \ for(int bitindex = 0; bitindex < n; bitindex++) \ if(bit >> bitindex & 1) sel.emplace_back(bitindex); \ PERM(sel) { Printv(sel); } \ } #define MKORDER(n) \ vector<int> od(n); \ iota(All(od), 0LL); template <typename T = long long> inline T IN() { T x; cin >> x; return (x); } inline void CIN() {} template <class Head, class... Tail> inline void CIN(Head &&head, Tail &&... tail) { cin >> head; CIN(move(tail)...); } template <class Head> inline void COUT(Head &&head) { cout << (head) << "\n"; } template <class Head, class... Tail> inline void COUT(Head &&head, Tail &&... tail) { cout << (head) << " "; COUT(forward<Tail>(tail)...); } #define CCIN(...) \ char __VA_ARGS__; \ CIN(__VA_ARGS__) #define DCIN(...) \ double __VA_ARGS__; \ CIN(__VA_ARGS__) #define LCIN(...) \ long long __VA_ARGS__; \ CIN(__VA_ARGS__) #define SCIN(...) \ string __VA_ARGS__; \ CIN(__VA_ARGS__) #define Printv(v) \ { \ REP(hoge, v.size()) \ cout << v[hoge] << (hoge == v.size() - 1 ? "" : " "); \ cout << "\n"; \ } template <typename T = string> inline void eputs(T s) { cout << s << "\n"; exit(0); } template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val) { std::fill((T *)array, (T *)(array + N), val); } long long next_combination(long long sub) { long long x = sub & -sub, y = sub + x; return (((sub & ~y) / x) >> 1) | y; } // generic lambdas template <typename F> #if defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard) [[nodiscard]] #elif defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 4) __attribute__((warn_unused_result)) #endif // defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard) static inline constexpr decltype(auto) fix(F &&f) noexcept { return [f = std::forward<F>(f)](auto &&... args) { return f(f, std::forward<decltype(args)>(args)...); }; } template <typename T> using PQG = priority_queue<T, vector<T>, greater<T>>; template <typename T> using PQ = priority_queue<T>; typedef long long ll; typedef vector<ll> VL; typedef vector<VL> VVL; typedef pair<ll, ll> PL; typedef vector<PL> VPL; typedef vector<bool> VB; typedef vector<double> VD; typedef vector<string> VS; const int INF = 1e9; const int MOD = 1e9 + 7; // const int MOD = 998244353; const ll LINF = 1e18; const ll dw[] = {1, 1, 0, -1, -1, -1, 0, 1}; const ll dh[] = {0, 1, 1, 1, 0, -1, -1, -1}; #define PI 3.141592653589793230 #define EPS 1e-7 // size用 struct UnionFind { vector<ll> par; vector<ll> sizes; UnionFind(ll n) : par(n), sizes(n, 1) { REP(i, n) par[i] = i; } ll find(ll x) { if(x == par[x]) return x; return par[x] = find(par[x]); } void unite(ll x, ll y) { x = find(x); y = find(y); if(x == y) return; if(x > y) swap(x, y); par[y] = x; sizes[x] += sizes[y]; sizes[y] = 0; } bool same(ll x, ll y) { return find(x) == find(y); } ll size(ll x) { return sizes[find(x)]; } }; signed main() { LCIN(N, M, Q); UnionFind uf(N); VL A(M), B(M), C(Q), D(Q); REP(i, M) cin >> A[i] >> B[i], A[i]--, B[i]--; set<PL> memo; REP(i, Q) { cin >> C[i] >> D[i], C[i]--, D[i]--; memo.emplace(C[i], D[i]); } REP(i, M) { if(memo.count(PL(A[i], B[i]))) continue; uf.unite(A[i], B[i]); } VVL vs(N); REP(i, N) { vs[uf.find(i)].emplace_back(i); } VL ans(N); ll root = uf.find(0); VL out(N); out[root] = -1; VVL g(N); auto dfs = fix([&](auto f, ll now, ll par, ll val) -> void { out[now] = val; FOREACH(to, g[now]) { if(to == par) continue; f(f, to, now, val); } }); REPR(i, Q - 1) { ll u = uf.find(C[i]), v = uf.find(D[i]); if(u != v) { if(u == root) { dfs(v, u, i + 1); } else if(v == root) { dfs(u, v, i + 1); } else { g[u].emplace_back(v); g[v].emplace_back(u); } uf.unite(C[i], D[i]); } } REP(i, N) { FOREACH(v, vs[i]) { ans[v] = out[i]; } } FOR(i, 1, N) { cout << ans[i] << "\n"; } }