結果
問題 | No.2319 Friends+ |
ユーザー | Forested |
提出日時 | 2023-05-26 21:49:31 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,581 ms / 3,000 ms |
コード長 | 3,914 bytes |
コンパイル時間 | 1,537 ms |
コンパイル使用メモリ | 140,468 KB |
実行使用メモリ | 26,752 KB |
最終ジャッジ日時 | 2024-06-07 06:28:52 |
合計ジャッジ時間 | 23,585 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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
5,376 KB |
testcase_02 | AC | 140 ms
10,368 KB |
testcase_03 | AC | 135 ms
10,368 KB |
testcase_04 | AC | 130 ms
10,368 KB |
testcase_05 | AC | 127 ms
10,240 KB |
testcase_06 | AC | 134 ms
10,368 KB |
testcase_07 | AC | 347 ms
26,624 KB |
testcase_08 | AC | 344 ms
26,624 KB |
testcase_09 | AC | 330 ms
26,624 KB |
testcase_10 | AC | 345 ms
26,752 KB |
testcase_11 | AC | 340 ms
26,624 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 232 ms
26,240 KB |
testcase_19 | AC | 275 ms
26,240 KB |
testcase_20 | AC | 1,565 ms
26,624 KB |
testcase_21 | AC | 837 ms
26,496 KB |
testcase_22 | AC | 279 ms
26,752 KB |
testcase_23 | AC | 276 ms
26,368 KB |
testcase_24 | AC | 292 ms
26,496 KB |
testcase_25 | AC | 289 ms
26,624 KB |
testcase_26 | AC | 291 ms
26,624 KB |
testcase_27 | AC | 290 ms
26,624 KB |
testcase_28 | AC | 272 ms
26,624 KB |
testcase_29 | AC | 278 ms
26,624 KB |
testcase_30 | AC | 2,581 ms
26,752 KB |
testcase_31 | AC | 1,441 ms
26,624 KB |
testcase_32 | AC | 758 ms
26,624 KB |
testcase_33 | AC | 449 ms
26,624 KB |
testcase_34 | AC | 356 ms
26,752 KB |
testcase_35 | AC | 324 ms
26,624 KB |
testcase_36 | AC | 460 ms
26,752 KB |
testcase_37 | AC | 101 ms
9,984 KB |
testcase_38 | AC | 288 ms
26,624 KB |
testcase_39 | AC | 305 ms
26,624 KB |
testcase_40 | AC | 356 ms
26,496 KB |
testcase_41 | AC | 473 ms
26,624 KB |
testcase_42 | AC | 818 ms
26,752 KB |
testcase_43 | AC | 1,280 ms
26,240 KB |
testcase_44 | AC | 249 ms
24,576 KB |
testcase_45 | AC | 174 ms
19,072 KB |
testcase_46 | AC | 126 ms
10,496 KB |
ソースコード
#ifndef LOCAL #define FAST_IO #endif // ============ #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cmath> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> #define OVERRIDE(a, b, c, d, ...) d #define REP2(i, n) for (i32 i = 0; i < (i32)(n); ++i) #define REP3(i, m, n) for (i32 i = (i32)(m); i < (i32)(n); ++i) #define REP(...) OVERRIDE(__VA_ARGS__, REP3, REP2)(__VA_ARGS__) #define PER(i, n) for (i32 i = (i32)(n) - 1; i >= 0; --i) #define ALL(x) begin(x), end(x) using namespace std; using u32 = unsigned int; using u64 = unsigned long long; using i32 = signed int; using i64 = signed long long; using f64 = double; using f80 = long double; template <typename T> using Vec = vector<T>; template <typename T> bool chmin(T &x, const T &y) { if (x > y) { x = y; return true; } return false; } template <typename T> bool chmax(T &x, const T &y) { if (x < y) { x = y; return true; } return false; } template <typename T> Vec<tuple<i32, i32, T>> runlength(const Vec<T> &a) { if (a.empty()) { return Vec<tuple<i32, i32, T>>(); } Vec<tuple<i32, i32, T>> ret; i32 prv = 0; REP(i, 1, a.size()) { if (a[i - 1] != a[i]) { ret.emplace_back(prv, i, a[i - 1]); prv = i; } } ret.emplace_back(prv, (i32)a.size(), a.back()); return ret; } #ifdef INT128 using u128 = __uint128_t; using i128 = __int128_t; istream &operator>>(istream &is, i128 &x) { i64 v; is >> v; x = v; return is; } ostream &operator<<(ostream &os, i128 x) { os << (i64)x; return os; } istream &operator>>(istream &is, u128 &x) { u64 v; is >> v; x = v; return is; } ostream &operator<<(ostream &os, u128 x) { os << (u64)x; return os; } #endif [[maybe_unused]] constexpr i32 INF = 1000000100; [[maybe_unused]] constexpr i64 INF64 = 3000000000000000100; struct SetUpIO { SetUpIO() { #ifdef FAST_IO ios::sync_with_stdio(false); cin.tie(nullptr); #endif cout << fixed << setprecision(15); } } set_up_io; // ============ #ifdef DEBUGF #else #define DBG(x) (void)0 #endif int main() { i32 n, m; cin >> n >> m; Vec<i32> p(n); REP(i, n) { cin >> p[i]; --p[i]; } Vec<Vec<i32>> g(n); REP(i, m) { i32 a, b; cin >> a >> b; --a; --b; if (a != b) { g[a].push_back(b); g[b].push_back(a); } } i32 thre = round(sqrt(m) / 5.0); Vec<Vec<i32>> lala(n); REP(i, n) { if ((i32)g[i].size() >= thre) { for (i32 j : g[i]) { lala[j].push_back(i); } } } Vec<multiset<i32>> ngs(n); REP(i, n) { if ((i32)g[i].size() < thre) { for (i32 j : g[i]) { ngs[j].insert(p[i]); } } } i32 q; cin >> q; while (q--) { i32 x, y; cin >> x >> y; --x; --y; if (p[x] == p[y]) { cout << "No\n"; continue; } bool ok = ngs[x].count(p[y]); for (i32 v : lala[x]) { if (p[v] == p[y]) { ok = true; } } if (!ok) { cout << "No\n"; continue; } cout << "Yes\n"; if ((i32)g[x].size() < thre) { for (i32 v : g[x]) { ngs[v].erase(ngs[v].find(p[x])); } } p[x] = p[y]; if ((i32)g[x].size() < thre) { for (i32 v : g[x]) { ngs[v].insert(p[x]); } } } }