結果
問題 | No.2319 Friends+ |
ユーザー | kaikey |
提出日時 | 2023-05-26 22:21:15 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 638 ms / 3,000 ms |
コード長 | 4,485 bytes |
コンパイル時間 | 2,480 ms |
コンパイル使用メモリ | 217,676 KB |
実行使用メモリ | 28,800 KB |
最終ジャッジ日時 | 2024-06-07 07:28:02 |
合計ジャッジ時間 | 22,779 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 275 ms
27,008 KB |
testcase_03 | AC | 274 ms
27,008 KB |
testcase_04 | AC | 271 ms
26,880 KB |
testcase_05 | AC | 268 ms
26,880 KB |
testcase_06 | AC | 277 ms
27,008 KB |
testcase_07 | AC | 479 ms
27,520 KB |
testcase_08 | AC | 469 ms
27,520 KB |
testcase_09 | AC | 470 ms
27,520 KB |
testcase_10 | AC | 479 ms
27,648 KB |
testcase_11 | AC | 486 ms
27,520 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 | 3 ms
5,376 KB |
testcase_16 | AC | 3 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 453 ms
28,800 KB |
testcase_19 | AC | 469 ms
28,800 KB |
testcase_20 | AC | 453 ms
27,520 KB |
testcase_21 | AC | 440 ms
27,520 KB |
testcase_22 | AC | 461 ms
27,392 KB |
testcase_23 | AC | 450 ms
28,032 KB |
testcase_24 | AC | 453 ms
27,904 KB |
testcase_25 | AC | 444 ms
27,648 KB |
testcase_26 | AC | 638 ms
27,648 KB |
testcase_27 | AC | 522 ms
27,648 KB |
testcase_28 | AC | 457 ms
27,520 KB |
testcase_29 | AC | 453 ms
27,392 KB |
testcase_30 | AC | 418 ms
27,520 KB |
testcase_31 | AC | 428 ms
27,520 KB |
testcase_32 | AC | 431 ms
27,520 KB |
testcase_33 | AC | 433 ms
27,520 KB |
testcase_34 | AC | 441 ms
27,520 KB |
testcase_35 | AC | 447 ms
27,520 KB |
testcase_36 | AC | 170 ms
27,264 KB |
testcase_37 | AC | 235 ms
26,880 KB |
testcase_38 | AC | 460 ms
27,520 KB |
testcase_39 | AC | 429 ms
27,520 KB |
testcase_40 | AC | 427 ms
27,392 KB |
testcase_41 | AC | 436 ms
27,520 KB |
testcase_42 | AC | 405 ms
27,520 KB |
testcase_43 | AC | 445 ms
27,520 KB |
testcase_44 | AC | 410 ms
27,648 KB |
testcase_45 | AC | 315 ms
27,648 KB |
testcase_46 | AC | 278 ms
27,008 KB |
ソースコード
#include "bits/stdc++.h" #include <random> #include <chrono> #define ALL(x) (x).begin(), (x).end() #define RALL(x) (x).rbegin(), (x).rend() #define SZ(x) ((lint)(x).size()) #define FOR(i, begin, end) for(lint i=(begin),i##_end_=(end);i<i##_end_;++i) #define IFOR(i, begin, end) for(lint i=(end)-1,i##_begin_=(begin);i>=i##_begin_;--i) #define REP(i, n) FOR(i,0,n) #define IREP(i, n) IFOR(i,0,n) #define endk '\n' using namespace std; typedef unsigned long long _ulong; typedef int lint; typedef double ld; typedef pair<lint, lint> plint; typedef pair<ld, ld> pld; struct fast_ios { fast_ios() { cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(30); }; } fast_ios_; template<class T> auto add = [](T a, T b) -> T { return a + b; }; template<class T> auto mul = [](T a, T b) -> T { return a * b; }; template<class T> auto f_max = [](T a, T b) -> T { return max(a, b); }; template<class T> auto f_min = [](T a, T b) -> T { return min(a, b); }; template<class T> using V = vector<T>; using Vl = V<lint>; using VVl = V<Vl>; using VVVl = V<V<Vl>>; template< typename T > ostream& operator<<(ostream& os, const vector< T >& v) { for (int i = 0; i < (int)v.size(); i++) os << v[i] << (i + 1 != v.size() ? " " : ""); return os; } template< typename T >istream& operator>>(istream& is, vector< T >& v) { for (T& in : v) is >> in; return is; } template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } template <class T> T div_floor(T a, T b) { if (b < 0) a *= -1, b *= -1; return a >= 0 ? a / b : (a + 1) / b - 1; } template <class T> T div_ceil(T a, T b) { if (b < 0) a *= -1, b *= -1; return a > 0 ? (a - 1) / b + 1 : a / b; } template <class F> struct rec { F f; rec(F&& f_) : f(std::forward<F>(f_)) {} template <class... Args> auto operator()(Args &&... args) const { return f(*this, std::forward<Args>(args)...); } }; lint gcd(lint a, lint b) { if (b == 0) return a; else return gcd(b, a % b); } lint digit(lint a) { return (lint)log10(a); } lint e_dist(plint a, plint b) { return abs(a.first - b.first) * abs(a.first - b.first) + abs(a.second - b.second) * abs(a.second - b.second); } lint m_dist(plint a, plint b) { return abs(a.first - b.first) + abs(a.second - b.second); } bool check_overflow(lint a, lint b, lint limit) { if (b == 0) return false; return a > limit / b; } // a * b > c => true void Worshall_Floyd(VVl& g) { REP(k, SZ(g)) REP(i, SZ(g)) REP(j, SZ(g)) chmin(g[i][j], g[i][k] + g[k][j]); } const long long MOD1000000007 = 1000000007, MOD998244353 = 998244353, INF = 1e18; lint dx[8] = { 0, 1, 0, -1, 1, -1, 1, -1 }, dy[8] = { 1, 0, -1, 0, -1, -1, 1, 1 }; bool YN(bool flag) { cout << (flag ? "YES" : "NO") << endk; return flag; } bool yn(bool flag) { cout << (flag ? "Yes" : "No") << endk; return flag; } struct Edge { lint from, to; lint cost; Edge() { } Edge(lint u, lint v, lint c) { cost = c; from = u; to = v; } bool operator<(const Edge& e) const { return cost < e.cost; } }; struct WeightedEdge { lint to; lint cost; WeightedEdge(lint v, lint c) { to = v; cost = c; } bool operator<(const WeightedEdge& e) const { return cost < e.cost; } }; using WeightedGraph = V<V<WeightedEdge>>; typedef pair<lint, plint> tlint; typedef pair<ld, ld> pld; typedef pair<plint, plint> qlint; typedef pair<lint, string> vstr; typedef pair<string, string> pstr; typedef pair<set<lint>, set<lint>> pset; int main() { lint N, M; cin >> N >> M; Vl pos(N); cin >> pos; VVl to(N); V<set<lint>> exi(N); REP(i, M) { lint u, v; cin >> u >> v; u--; v--; to[u].push_back(v); to[v].push_back(u); exi[u].insert(v); exi[v].insert(u); } lint rt = 2000; Vl overs; REP(i, N) { if (SZ(to[i]) > rt) overs.push_back(i); } V<multiset<lint>> ok(N); for (auto v : overs) { for (auto _v : to[v]) { ok[v].insert(pos[_v]); } } lint Q; cin >> Q; REP(i, Q) { lint X, Y; cin >> X >> Y; X--; Y--; bool flag = false; if (pos[X] != pos[Y]) { if (SZ(to[X]) <= rt) { for (auto v : to[X]) { if (pos[v] == pos[Y]) flag = true; } } else { if (ok[X].find(pos[Y]) != ok[X].end()) flag = true; } } if (yn(flag)) { for (auto v : overs) { if (!exi[v].count(X)) continue; ok[v].erase(ok[v].find(pos[X])); } pos[X] = pos[Y]; for (auto v : overs) { if (!exi[v].count(X)) continue; ok[v].insert(pos[X]); } } } }