結果
問題 | No.168 ものさし |
ユーザー | te-sh |
提出日時 | 2020-01-25 20:46:37 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 111 ms / 2,000 ms |
コード長 | 4,729 bytes |
コンパイル時間 | 1,598 ms |
コンパイル使用メモリ | 158,832 KB |
実行使用メモリ | 14,660 KB |
最終ジャッジ日時 | 2024-06-22 04:31:31 |
合計ジャッジ時間 | 3,335 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
(要ログイン)
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 | 24 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 1 ms
6,948 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 4 ms
6,940 KB |
testcase_11 | AC | 22 ms
6,944 KB |
testcase_12 | AC | 78 ms
13,564 KB |
testcase_13 | AC | 111 ms
14,176 KB |
testcase_14 | AC | 109 ms
14,660 KB |
testcase_15 | AC | 1 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 3 ms
6,940 KB |
testcase_18 | AC | 6 ms
6,940 KB |
testcase_19 | AC | 105 ms
14,228 KB |
testcase_20 | AC | 110 ms
14,324 KB |
testcase_21 | AC | 110 ms
14,620 KB |
testcase_22 | AC | 110 ms
14,216 KB |
ソースコード
// URL: https://yukicoder.me/problems/no/168 import std.algorithm, std.array, std.container, std.math, std.range, std.typecons, std.string; version(unittest) {} else void main() { int N; io.getV(N); alias Point = Point2!long; Point[] p; io.getS!("x", "y")(N, p); struct D { int s, t; long d; } D[] d; foreach (i; 0..N) foreach (j; i+1..N) d ~= D(i, j, (p[i]-p[j]).hypot2); d.sort!"a.d<b.d"; auto uf = new UnionFind(N); foreach (di; d) { uf.unite(di.s, di.t); if (uf.isSame(0, N-1)) { auto bs = iota(10, cast(long)int.max, 10) .map!(l => tuple(l, di.d <= l^^2)) .assumeSorted!"a[1]<b[1]"; io.put(bs.upperBound(tuple(0, false)).front[0]); return; } } } struct Point2(T) { alias P = Point2!T, Op = string; T x, y; pure P opBinary(Op o)(P r) if (o=="+"||o=="-") { return mixin("P(x"~o~"r.x, y"~o~"r.y)"); } P opOpAssign(Op o)(P r) if (o=="+"||o=="-") { mixin("x"~o~"=r.x; y"~o~"=r.y;"); return this; } pure P opBinary(Op o)(T a) if (o=="*"||o=="/") { return mixin("P(x"~o~"a, y"~o~"a)"); } P opOpAssign(Op o)(T a) if (o=="*"||o=="/") { mixin("x"~o~"=a; y"~o~"=a;"); return this; } pure T opBinary(Op o: "*")(P r) { return x*r.x+y*r.y; } pure T hypot2() { return x^^2+y^^2; } } pure T distManhattan(T)(Point2!T p1, Point2!T p2) { return (p1.x-p2.x).abs + (p1.y-p2.y).abs; } pure T cross(T)(Point2!T p1, Point2!T p2) { return p1.x*p2.y - p1.y*p2.x; } struct Point3(T) { alias P = Point3!T, Op = string; T x, y, z; pure P opBinary(Op o)(P r) if (o=="+"||o=="-") { return mixin("P(x"~o~"r.x, y"~o~"r.y, z"~o~"r.z)"); } P opOpAssign(Op o)(P r) if (o=="+"||o=="-") { mixin("x"~o~"=r.x; y"~o~"=r.y; z"~o~"=r.z;"); return this; } pure P opBinary(Op o)(T a) if (o=="*"||o=="/") { return mixin("P(x"~o~"a, y"~o~"a, z"~o~"a)"); } P opOpAssign(Op o)(T a) if (o=="*"||o=="/") { mixin("x"~o~"=a; y"~o~"=a; z"~o~"=a;"); return this; } pure T opBinary(Op o: "*")(P r) { return x*r.x+y*r.y+z*r.z; } pure T hypot2() { return x^^2+y^^2+z^^2; } } pure Point3!T cross(T)(Point3!T p1, Point3!T p2) { return Point3!T(p1.y*p2.z - p1.z*p2.y, p1.z*p2.x - p1.x*p2.z, p1.x*p2.y - p1.y*p2.x); } class UnionFind { int n; this(int n) { this.n = this.s = n; p = new int[](n); p[] = s; cf = n; cn = new size_t[](n); cn[] = 1; } bool unite(int u, int v) { auto pu = subst(u), pv = subst(v); if (pu != pv) { p[pv] = pu; --cf; cn[pu] += cn[pv]; return true; } else { return false; } } bool isSame(int u, int v) { return subst(u) == subst(v); } size_t countForests() { return cf; } size_t countNodes(int u) { return cn[subst(u)]; } auto groups() { auto g = new int[][](n); foreach (i; 0..n) g[subst(i)] ~= i; return g.filter!(l => !l.empty); } private { int[] p; int s; size_t cf; size_t[] cn; int subst(int i) { return p[i] == s ? i : (p[i] = subst(p[i])); } } } auto io = IO!()(); import std.stdio; struct IO(string floatFormat = "%.10f", string delimiter = " ", alias IN = stdin, alias OUT = stdout) { import std.conv, std.format, std.meta, std.traits; alias assignable = hasAssignableElements; auto getV(T...)(ref T v) { foreach (ref w; v) get(w); } auto getA(T)(size_t n, ref T v) if (assignable!T) { v = new T(n); foreach (ref w; v) get(w); } auto getC(T...)(size_t n, ref T v) if (allSatisfy!(assignable, T)) { foreach (ref w; v) w = new typeof(w)(n); foreach (i; 0..n) foreach (ref w; v) get(w[i]); } auto getM(T)(size_t r, size_t c, ref T v) if (assignable!T && assignable!(ElementType!T)) { v = new T(r); foreach (ref w; v) getA(c, w); } template getS(E...) { auto getS(T)(size_t n, ref T v) { v = new T(n); foreach (ref w; v) foreach (e; E) mixin("get(w."~e~");"); } } auto put(bool flush = false, T...)(T v) { foreach (i, w; v) { putA(w); if (i < v.length-1) OUT.write(delimiter); } OUT.writeln; static if (flush) OUT.flush(); } auto putB(S, T)(bool c, S t, T f) { if (c) put(t); else put(f); } auto putRaw(T...)(T v) { OUT.write(v); OUT.writeln; } private { dchar[] buf; auto sp = (new dchar[](0)).splitter; void nextLine() { IN.readln(buf); sp = buf.splitter; } auto get(T)(ref T v) { if (sp.empty) nextLine(); v = sp.front.to!T; sp.popFront(); } auto putR(T)(T v) { auto w = v; while (!w.empty) { putA(w.front); w.popFront(); if (!w.empty) OUT.write(delimiter); } } auto putA(T)(T v) { static if (isInputRange!T && !isSomeString!T) putR(v); else if (isFloatingPoint!T) OUT.write(format(floatFormat, v)); else OUT.write(v); } } }