結果
| 問題 |
No.743 Segments on a Polygon
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2020-01-30 09:41:10 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 80 ms / 2,000 ms |
| コード長 | 3,307 bytes |
| コンパイル時間 | 1,540 ms |
| コンパイル使用メモリ | 150,628 KB |
| 実行使用メモリ | 6,944 KB |
| 最終ジャッジ日時 | 2024-06-22 04:46:46 |
| 合計ジャッジ時間 | 3,565 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 10 |
コンパイルメッセージ
Main.d(93): 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-81(81): instantiated from here: `putMain!(c, long)`
Main.d(23): instantiated from here: `put!("{}", long)`
ソースコード
// URL: https://yukicoder.me/problems/no/743
import std.algorithm, std.array, std.container, std.math, std.range, std.typecons, std.string;
version(unittest) {} else
void main()
{
int N, M; io.getV(N, M);
struct E { int a, b; }
E[] e; io.getS!("a", "b")(N, e);
foreach (ref ei; e)
if (ei.a > ei.b) swap(ei.a, ei.b);
e.sort!"a.a < b.a";
auto ft = fenwickTree!int(M), r = 0L;
foreach (ei; e) {
r += ft[ei.a..ei.b];
++ft[ei.b];
}
io.put(r);
}
class FenwickTree(T)
{
const size_t n;
this(size_t n) { this.n = n; this.buf = new T[](n+1); }
void opIndexOpAssign(string op)(T val, size_t i) if (op=="+"||op=="-")
{ ++i; for (; i <= n; i += i&-i) mixin("buf[i]"~op~"=val;"); }
void opIndexUnary(string op)(size_t i) if (op=="++"||op=="--")
{ ++i; for (; i <= n; i += i&-i) mixin(op~"buf[i];"); }
pure T opIndex(size_t i) { return opSlice(i, i+1); }
pure T opSlice(size_t r, size_t l) { return get(l) - get(r); }
pure size_t opDollar() { return n; }
private
{
T[] buf;
pure T get(size_t i)
{
auto s = T(0);
for (; i > 0; i -= i & -i) s += buf[i];
return s;
}
}
}
FenwickTree!T fenwickTree(T)(size_t n) { return new FenwickTree!T(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 = " ";
}