結果

問題 No.3072 Speedrun Query
ユーザー ecottea
提出日時 2025-03-27 17:13:39
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 247 ms / 2,500 ms
コード長 8,575 bytes
コンパイル時間 4,621 ms
コンパイル使用メモリ 260,072 KB
実行使用メモリ 53,048 KB
最終ジャッジ日時 2025-03-27 17:13:55
合計ジャッジ時間 14,184 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1
other AC * 21
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#ifndef HIDDEN_IN_VS //
//
#define _CRT_SECURE_NO_WARNINGS
//
#include <bits/stdc++.h>
using namespace std;
//
using ll = long long; using ull = unsigned long long; // -2^63 2^63 = 9e18int -2^31 2^31 = 2e9
using pii = pair<int, int>; using pll = pair<ll, ll>; using pil = pair<int, ll>; using pli = pair<ll, int>;
using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vvvvi = vector<vvvi>;
using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vvvvl = vector<vvvl>;
using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>;
using vc = vector<char>; using vvc = vector<vc>; using vvvc = vector<vvc>;
using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>;
template <class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>;
using Graph = vvi;
//
const double PI = acos(-1);
int DX[4] = { 1, 0, -1, 0 }; // 4
int DY[4] = { 0, 1, 0, -1 };
int INF = 1001001001; ll INFL = 4004004003094073385LL; // (int)INFL = INF, (int)(-INFL) = -INF;
//
struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } fastIOtmp;
//
#define all(a) (a).begin(), (a).end()
#define sz(x) ((int)(x).size())
#define lbpos(a, x) (int)distance((a).begin(), std::lower_bound(all(a), (x)))
#define ubpos(a, x) (int)distance((a).begin(), std::upper_bound(all(a), (x)))
#define Yes(b) {cout << ((b) ? "Yes\n" : "No\n");}
#define rep(i, n) for(int i = 0, i##_len = int(n); i < i##_len; ++i) // 0 n-1
#define repi(i, s, t) for(int i = int(s), i##_end = int(t); i <= i##_end; ++i) // s t
#define repir(i, s, t) for(int i = int(s), i##_end = int(t); i >= i##_end; --i) // s t
#define repe(v, a) for(const auto& v : (a)) // a
#define repea(v, a) for(auto& v : (a)) // a
#define repb(set, d) for(int set = 0, set##_ub = 1 << int(d); set < set##_ub; ++set) // d
#define repis(i, set) for(int i = lsb(set), bset##i = set; i < 32; bset##i -= 1 << i, i = lsb(bset##i)) // set
#define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a
#define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} //
#define EXIT(a) {cout << (a) << endl; exit(0);} //
#define inQ(x, y, u, l, d, r) ((u) <= (x) && (l) <= (y) && (x) < (d) && (y) < (r)) //
//
template <class T> inline ll powi(T n, int k) { ll v = 1; rep(i, k) v *= n; return v; }
template <class T> inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // true
    
template <class T> inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // true
    
template <class T> inline T getb(T set, int i) { return (set >> i) & T(1); }
template <class T> inline T smod(T n, T m) { n %= m; if (n < 0) n += m; return n; } // mod
//
template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }
template <class T> inline istream& operator>>(istream& is, vector<T>& v) { repea(x, v) is >> x; return is; }
template <class T> inline vector<T>& operator--(vector<T>& v) { repea(x, v) --x; return v; }
template <class T> inline vector<T>& operator++(vector<T>& v) { repea(x, v) ++x; return v; }
#endif //
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#ifdef _MSC_VER
#include "localACL.hpp"
#endif
using mint = modint998244353;
//using mint = static_modint<3>;
//using mint = modint; // mint::set_mod(m);
namespace atcoder {
inline istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; }
inline ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; }
}
using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; using vvvvm = vector<vvvm>; using pim = pair<int, mint>;
#endif
#ifdef _MSC_VER // Visual Studio
#include "local.hpp"
#else // gcc
inline int popcount(int n) { return __builtin_popcount(n); }
inline int popcount(ll n) { return __builtin_popcountll(n); }
inline int lsb(int n) { return n != 0 ? __builtin_ctz(n) : 32; }
inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : 64; }
inline int msb(int n) { return n != 0 ? (31 - __builtin_clz(n)) : -1; }
inline int msb(ll n) { return n != 0 ? (63 - __builtin_clzll(n)) : -1; }
#define dump(...)
#define dumpel(v)
#define dump_math(v)
#define input_from_file(f)
#define output_to_file(f)
#define Assert(b) { if (!(b)) { vc MLE(1<<30); EXIT(MLE.back()); } } // RE MLE
#endif
void WA() {
int n, ka, kb;
cin >> n >> ka >> kb;
vi a(ka), b(kb);
cin >> a >> b;
--a; --b;
int q;
cin >> q;
rep(hoge, q) {
int s, t;
cin >> s >> t;
s--; t--;
if (s > t) swap(s, t);
int res = t - s;
{
int ds = INF;
int l = ubpos(a, s) - 1;
if (l >= 0) chmin(ds, s - a[l]);
int r = lbpos(a, s);
if (r < ka) chmin(ds, a[r] - s);
int dt = INF;
l = ubpos(a, t) - 1;
if (l >= 0) chmin(dt, t - a[l]);
r = lbpos(a, t);
if (r < ka) chmin(dt, a[r] - t);
chmin(res, ds + dt);
}
{
int ds = INF;
int l = ubpos(b, s) - 1;
if (l >= 0) chmin(ds, s - b[l]);
int r = lbpos(b, s);
if (r < kb) chmin(ds, b[r] - s);
int dt = INF;
l = ubpos(b, t) - 1;
if (l >= 0) chmin(dt, t - b[l]);
r = lbpos(b, t);
if (r < kb) chmin(dt, b[r] - t);
chmin(res, ds + dt);
}
cout << res << "\n";
}
}
//
/*
* to :
* cost :
*/
struct WEdge {
// verify : https://judge.yosupo.jp/problem/shortest_path
int to; //
ll cost; //
WEdge() : to(-1), cost(-INFL) {}
WEdge(int to, ll cost) : to(to), cost(cost) {}
//
operator int() const { return to; }
#ifdef _MSC_VER
friend ostream& operator<<(ostream& os, const WEdge& e) {
os << "(" << e.to << "," << e.cost << ")";
return os;
}
#endif
};
//
/*
* WGraph g
* g[v] : v
*
* verify : https://judge.yosupo.jp/problem/shortest_path
*/
using WGraph = vector<vector<WEdge>>;
//01-BFSO(n + m)
/*
* 0, 1 g
* st INF
*/
vi binary_BFS(const WGraph& g, int st) {
// verify : https://atcoder.jp/contests/arc005/tasks/arc005_3
int n = sz(g);
vi dist(n, INF); //
dist[st] = 0;
deque<int> q; //
q.push_back(st);
while (!q.empty()) {
// s 1
auto s = q.front(); q.pop_front();
repe(e, g[s]) {
// e t
int d = dist[s] + (int)e.cost;
//
if (d < dist[e.to]) {
dist[e.to] = d;
// t
// t 0
if (e.cost == 0) q.push_front(e.to);
else q.push_back(e.to);
}
}
}
return dist;
}
int main() {
// input_from_file("input.txt");
// output_to_file("output.txt");
int n, ka, kb;
cin >> n >> ka >> kb;
vi a(ka), b(kb);
cin >> a >> b;
--a; --b;
WGraph g(n + 2);
rep(i, n - 1) {
g[i].push_back({ i + 1, 1 });
g[i + 1].push_back({ i, 1 });
}
repe(i, a) {
g[n].push_back({ i, 0 });
g[i].push_back({ n, 0 });
}
repe(i, b) {
g[n + 1].push_back({ i, 0 });
g[i].push_back({ n + 1, 0 });
}
auto da = binary_BFS(g, n);
auto db = binary_BFS(g, n + 1);
int q;
cin >> q;
rep(hoge, q) {
int s, t;
cin >> s >> t;
s--; t--;
int res = t - s;
chmin(res, da[s] + da[t]);
chmin(res, db[s] + db[t]);
cout << res << "\n";
}
}
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