結果
問題 | No.2612 Close the Distance |
ユーザー | hitonanode |
提出日時 | 2024-01-19 23:03:48 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 820 ms / 3,000 ms |
コード長 | 3,888 bytes |
コンパイル時間 | 2,030 ms |
コンパイル使用メモリ | 191,612 KB |
実行使用メモリ | 17,744 KB |
最終ジャッジ日時 | 2024-09-28 05:16:44 |
合計ジャッジ時間 | 17,151 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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
6,816 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 578 ms
13,136 KB |
testcase_07 | AC | 582 ms
13,028 KB |
testcase_08 | AC | 573 ms
13,012 KB |
testcase_09 | AC | 577 ms
13,012 KB |
testcase_10 | AC | 588 ms
13,016 KB |
testcase_11 | AC | 571 ms
13,016 KB |
testcase_12 | AC | 577 ms
13,044 KB |
testcase_13 | AC | 538 ms
13,136 KB |
testcase_14 | AC | 577 ms
13,144 KB |
testcase_15 | AC | 575 ms
13,012 KB |
testcase_16 | AC | 806 ms
17,744 KB |
testcase_17 | AC | 795 ms
15,836 KB |
testcase_18 | AC | 808 ms
16,728 KB |
testcase_19 | AC | 820 ms
16,092 KB |
testcase_20 | AC | 810 ms
15,828 KB |
testcase_21 | AC | 806 ms
16,472 KB |
testcase_22 | AC | 778 ms
15,960 KB |
testcase_23 | AC | 802 ms
16,472 KB |
testcase_24 | AC | 811 ms
16,984 KB |
testcase_25 | AC | 811 ms
15,960 KB |
testcase_26 | AC | 2 ms
6,940 KB |
ソースコード
#include <algorithm> #include <array> #include <bitset> #include <cassert> #include <chrono> #include <cmath> #include <complex> #include <deque> #include <forward_list> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iostream> #include <limits> #include <list> #include <map> #include <memory> #include <numeric> #include <optional> #include <queue> #include <random> #include <set> #include <sstream> #include <stack> #include <string> #include <tuple> #include <type_traits> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using lint = long long; using plint = pair<lint, lint>; struct fast_ios { fast_ios(){ cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); }; } fast_ios_; #define ALL(x) (x).begin(), (x).end() #define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++) #define REP(i, n) FOR(i,0,n) template <typename T> bool chmax(T &m, const T q) { return m < q ? (m = q, true) : false; } template <typename T> bool chmin(T &m, const T q) { return m > q ? (m = q, true) : false; } int main() { int N; cin >> N; vector<lint> X(N), Y(N), U(N), V(N); REP(i, N) { cin >> X.at(i) >> Y.at(i); U.at(i) = X.at(i) + Y.at(i); V.at(i) = X.at(i) - Y.at(i); } lint ng = -1, ok = 2e9; constexpr lint inf = 1LL << 60; while (ok - ng > 1) { const lint mid = (ok + ng) / 2; auto gen_rec = [&](int S, lint ulo, lint uhi, lint vlo, lint vhi) -> tuple<lint, lint, lint, lint> { lint ul, ur, vl, vr; if (S & 1) { ul = ulo, ur = ulo + mid; } else { ul = uhi - mid, ur = uhi; } if (S & 2) { vl = vlo, vr = vlo + mid; } else { vl = vhi - mid, vr = vhi; } return {ul, ur, vl, vr}; }; bool found = false; const lint ulo = *min_element(ALL(U)), uhi = *max_element(ALL(U)); const lint vlo = *min_element(ALL(V)), vhi = *max_element(ALL(V)); REP(tp1, 4) { const auto [ul1, ur1, vl1, vr1] = gen_rec(tp1, ulo, uhi, vlo, vhi); vector<plint> rem_uvs; REP(i, N) { const lint u = U.at(i), v = V.at(i); if (ul1 <= u and u <= ur1 and vl1 <= v and v <= vr1) continue; rem_uvs.emplace_back(u, v); } if (rem_uvs.empty()) { found = true; break; } const lint ulo = min_element(ALL(rem_uvs), [](const plint &a, const plint &b) { return a.first < b.first; })->first; const lint uhi = max_element(ALL(rem_uvs), [](const plint &a, const plint &b) { return a.first < b.first; })->first; const lint vlo = min_element(ALL(rem_uvs), [](const plint &a, const plint &b) { return a.second < b.second; })->second; const lint vhi = max_element(ALL(rem_uvs), [](const plint &a, const plint &b) { return a.second < b.second; })->second; REP(tp2, 4) { const auto [ul2, ur2, vl2, vr2] = gen_rec(tp2, ulo, uhi, vlo, vhi); lint badulo = inf, baduhi = -inf, badvlo = inf, badvhi = -inf; for (auto [u, v] : rem_uvs) { if (ul1 <= u and u <= ur1 and vl1 <= v and v <= vr1) continue; if (ul2 <= u and u <= ur2 and vl2 <= v and v <= vr2) continue; chmin(badulo, u), chmax(baduhi, u); chmin(badvlo, v), chmax(badvhi, v); } if (baduhi - badulo <= mid and badvhi - badvlo <= mid) found = true; } } if (found) { ok = mid; } else { ng = mid; } } cout << ok << '\n'; }