結果
| 問題 |
No.748 yuki国のお財布事情
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-01-30 10:05:08 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 124 ms / 2,000 ms |
| コード長 | 3,666 bytes |
| コンパイル時間 | 1,594 ms |
| コンパイル使用メモリ | 153,224 KB |
| 実行使用メモリ | 9,600 KB |
| 最終ジャッジ日時 | 2024-06-22 04:47:13 |
| 合計ジャッジ時間 | 4,325 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 26 |
コンパイルメッセージ
Main.d(119): Deprecation: function `Main.IO!(makeGlobal, makeGlobal).IO.put!("{}", long).put.putMain!(c, long).putMain` function requires a dual-context, which is deprecated
Main.d-mixin-107(107): instantiated from here: `putMain!(c, long)`
Main.d(31): instantiated from here: `put!("{}", long)`
ソースコード
// URL: https://yukicoder.me/problems/no/748
import std.algorithm, std.array, std.container, std.math, std.range, std.typecons, std.string;
version(unittest) {} else
void main()
{
int N, M, K; io.getV(N, M, K);
struct R { int a, b, c, i; }
R[] r; io.getS!("a", "b", "c")(M, r);
foreach (i, ref ri; r) { --ri.a; --ri.b; ri.i = cast(int)i; }
int[] e; io.getC(K, e); --e[];
auto v = new bool[](M), uf = unionFind(N);
foreach (ei; e) {
uf.unite(r[ei].a, r[ei].b);
v[ei] = true;
}
auto r2 = r.dup.sort!"a.c<b.c";
foreach (ri; r2)
if (!v[ri.i] && !uf.isSame(ri.a, ri.b)) {
uf.unite(ri.a, ri.b);
v[ri.i] = true;
}
auto s = 0L;
foreach (i; 0..M) if (!v[i]) s += r[i].c;
io.put(s);
}
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])); }
}
}
UnionFind unionFind(int n) { return new UnionFind(n); }
auto io = IO!()();
import std.stdio;
struct IO(alias IN = stdin, alias OUT = stdout)
{
import std.conv, std.format, std.meta, std.traits, core.stdc.stdlib;
auto getV(T...)(ref T v) { foreach (ref w; v) get(w); }
auto getA(T)(size_t n, ref T v) if (hasAssignableElements!T)
{ v = new T(n); foreach (ref w; v) get(w); }
auto getC(T...)(size_t n, ref T v)
if (allSatisfy!(hasAssignableElements, 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 (hasAssignableElements!T && hasAssignableElements!(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(alias conf = "{}", T...)(T v)
{ mixin("const PutConf c = "~conf~"; putMain!c(v);"); }
auto putB(alias conf = "{}", 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 putMain(PutConf c, T...)(T v)
{
foreach (i, w; v) {
putOne!c(w);
if (i < v.length-1) OUT.write(c.delimiter);
}
static if (c.newline) OUT.writeln;
static if (c.flush) OUT.flush();
static if (c.exit) exit(0);
}
auto putOne(PutConf c, T)(T v)
{
static if (isInputRange!T && !isSomeString!T) putRange!c(v);
else if (isFloatingPoint!T) OUT.write(format(c.floatFormat, v));
else OUT.write(v);
}
auto putRange(PutConf c, T)(T v)
{
auto w = v;
while (!w.empty) {
putOne!c(w.front); w.popFront();
if (!w.empty) OUT.write(c.delimiter);
}
}
}
}
const struct PutConf
{
bool newline = true, flush, exit;
string floatFormat = "%.10f", delimiter = " ";
}