結果
問題 | No.2436 Min Diff Distance |
ユーザー | sotanishy |
提出日時 | 2023-08-18 23:43:59 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 243 ms / 2,000 ms |
コード長 | 4,109 bytes |
コンパイル時間 | 2,125 ms |
コンパイル使用メモリ | 217,296 KB |
実行使用メモリ | 14,760 KB |
最終ジャッジ日時 | 2024-05-06 06:33:15 |
合計ジャッジ時間 | 6,173 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 2 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 226 ms
14,268 KB |
testcase_04 | AC | 227 ms
13,872 KB |
testcase_05 | AC | 243 ms
14,760 KB |
testcase_06 | AC | 228 ms
13,992 KB |
testcase_07 | AC | 234 ms
14,256 KB |
testcase_08 | AC | 231 ms
14,624 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 129 ms
14,380 KB |
testcase_12 | AC | 126 ms
13,868 KB |
testcase_13 | AC | 153 ms
12,964 KB |
testcase_14 | AC | 24 ms
6,940 KB |
testcase_15 | AC | 225 ms
14,164 KB |
testcase_16 | AC | 102 ms
8,604 KB |
testcase_17 | AC | 195 ms
13,940 KB |
testcase_18 | AC | 175 ms
14,016 KB |
testcase_19 | AC | 199 ms
14,132 KB |
testcase_20 | AC | 136 ms
9,188 KB |
testcase_21 | AC | 56 ms
6,944 KB |
testcase_22 | AC | 26 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, s, t) for (int i = (int)(s); i < (int)(t); ++i) #define revrep(i, t, s) for (int i = (int)(t)-1; i >= (int)(s); --i) #define all(x) begin(x), end(x) template <typename T> bool chmax(T& a, const T& b) { return a < b ? (a = b, 1) : 0; } template <typename T> bool chmin(T& a, const T& b) { return a > b ? (a = b, 1) : 0; } template <typename M> class SegmentTree { using T = typename M::T; public: SegmentTree() = default; explicit SegmentTree(int n) : SegmentTree(std::vector<T>(n, M::id())) {} explicit SegmentTree(const std::vector<T>& v) { size = 1; while (size < (int)v.size()) size <<= 1; node.resize(2 * size, M::id()); std::copy(v.begin(), v.end(), node.begin() + size); for (int i = size - 1; i > 0; --i) node[i] = M::op(node[2 * i], node[2 * i + 1]); } T operator[](int k) const { return node[k + size]; } void update(int k, const T& x) { k += size; node[k] = x; while (k >>= 1) node[k] = M::op(node[2 * k], node[2 * k + 1]); } T fold(int l, int r) const { T vl = M::id(), vr = M::id(); for (l += size, r += size; l < r; l >>= 1, r >>= 1) { if (l & 1) vl = M::op(vl, node[l++]); if (r & 1) vr = M::op(node[--r], vr); } return M::op(vl, vr); } template <typename F> int find_first(int l, F cond) const { T v = M::id(); for (l += size; l > 0; l >>= 1) { if (l & 1) { T nv = M::op(v, node[l]); if (cond(nv)) { while (l < size) { nv = M::op(v, node[2 * l]); if (cond(nv)) l = 2 * l; else v = nv, l = 2 * l + 1; } return l + 1 - size; } v = nv; ++l; } } return -1; } template <typename F> int find_last(int r, F cond) const { T v = M::id(); for (r += size; r > 0; r >>= 1) { if (r & 1) { --r; T nv = M::op(node[r], v); if (cond(nv)) { while (r < size) { nv = M::op(node[2 * r + 1], v); if (cond(nv)) r = 2 * r + 1; else v = nv, r = 2 * r; } return r - size; } v = nv; } } return -1; } private: int size; std::vector<T> node; }; struct MaxMonoid { using T = int; static T id() { return -1e7; } static T op(T a, T b) { return max(a, b); } }; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); int N; cin >> N; vector<tuple<int, int, int>> pts; int left = 1e9, right = -1e9, top = -1e9, bottom = 1e9; rep(i, 0, N) { int x, y; cin >> x >> y; --x, --y; pts.push_back({x, y, i}); chmin(left, x + y); chmax(right, x + y); chmin(bottom, x - y); chmax(top, x - y); } auto rotate = [&](const vector<tuple<int, int, int>>& pts) { vector<tuple<int, int, int>> res; for (auto [x, y, i] : pts) res.push_back({N - 1 - y, x, i}); return res; }; vector<int> nearest(N, 1e7); rep(_, 0, 4) { SegmentTree<MaxMonoid> st(N); sort(all(pts)); for (auto [x, y, i] : pts) { chmin(nearest[i], x + y - st.fold(0, y)); st.update(y, x + y); } pts = rotate(pts); } int ans = 1e7; for (auto [x, y, i] : pts) { int xx = x + y, yy = x - y; int farthest = max({xx - left, right - xx, yy - bottom, top - yy}); chmin(ans, farthest - nearest[i]); } cout << ans << endl; }