結果
問題 | No.2354 Poor Sight in Winter |
ユーザー | 👑 hos.lyric |
提出日時 | 2023-06-16 21:46:51 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 47 ms / 2,000 ms |
コード長 | 2,541 bytes |
コンパイル時間 | 2,002 ms |
コンパイル使用メモリ | 117,120 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-24 13:40:16 |
合計ジャッジ時間 | 3,165 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 | 1 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 3 ms
6,944 KB |
testcase_12 | AC | 22 ms
6,944 KB |
testcase_13 | AC | 28 ms
6,944 KB |
testcase_14 | AC | 45 ms
6,940 KB |
testcase_15 | AC | 9 ms
6,944 KB |
testcase_16 | AC | 47 ms
6,944 KB |
testcase_17 | AC | 37 ms
6,944 KB |
testcase_18 | AC | 8 ms
6,944 KB |
testcase_19 | AC | 16 ms
6,940 KB |
testcase_20 | AC | 3 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 9 ms
6,944 KB |
testcase_23 | AC | 4 ms
6,940 KB |
testcase_24 | AC | 18 ms
6,940 KB |
testcase_25 | AC | 4 ms
6,940 KB |
testcase_26 | AC | 4 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,940 KB |
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons; import core.bitop; class EOFException : Throwable { this() { super("EOF"); } } string[] tokens; string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; } int readInt() { return readToken.to!int; } long readLong() { return readToken.to!long; } bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } } bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } } int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; } int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); } int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); } enum INF = 10^^9; void main() { try { for (; ; ) { const N = readInt + 2; const K = readInt; auto X = new int[N]; auto Y = new int[N]; foreach (u; 0 .. N) { X[u] = readInt; Y[u] = readInt; } auto C = new int[][](N, N); foreach (u; 0 .. N) foreach (v; 0 .. N) { C[u][v] = abs(X[u] - X[v]) + abs(Y[u] - Y[v]); } int solve(int p) { auto dist = new int[N]; dist[] = INF; auto vis = new bool[N]; dist[0] = 0; for (; ; ) { int um = -1; foreach (u; 0 .. N) if (!vis[u]) { if (!~um || dist[um] > dist[u]) { um = u; } } assert(~um); if (um == 1) { debug { writefln("solve %s = %s", p, dist[1]); } return dist[1]; } vis[um] = true; foreach (v; 0 .. N) if (!vis[v]) { int c; if (p) { c = (C[um][v] - 1) / p; } else { if (C[um][v] > 0) continue; } chmin(dist[v], dist[um] + c); } } } int lo = -1, hi = C[0][1]; for (; lo + 1 < hi; ) { const mid = (lo + hi) / 2; ((solve(mid) <= K) ? hi : lo) = mid; } writeln(hi); } } catch (EOFException e) { } }