結果
| 問題 |
No.1467 Selling Cars
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-04-03 23:18:10 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 1,347 ms / 4,000 ms |
| コード長 | 4,782 bytes |
| コンパイル時間 | 1,675 ms |
| コンパイル使用メモリ | 136,480 KB |
| 実行使用メモリ | 6,944 KB |
| 最終ジャッジ日時 | 2024-06-22 11:10:18 |
| 合計ジャッジ時間 | 27,682 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 31 |
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; }
real readReal() { return readToken.to!real; }
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 = 10L^^18;
enum BIG = 10L^^14;
void main() {
try {
for (; ; ) {
const M = readInt();
const N = readInt();
auto A = new long[M];
foreach (i; 0 .. M) {
A[i] = readLong();
}
auto B = new long[N];
foreach (j; 0 .. N) {
B[j] = readLong();
}
auto xs = (A ~ B).sort.uniq.array;
const xsLen = cast(int)(xs.length);
debug {
writeln("A = ", A);
writeln("B = ", B);
writeln("xsLen = ", xsLen);
}
auto as = new int[M];
foreach (i; 0 .. M) {
as[i] = xs.lowerBound(A[i]);
}
auto bs = new int[N];
foreach (j; 0 .. N) {
bs[j] = xs.lowerBound(B[j]);
}
foreach (k; 1 .. M + 1) {
debug {
writefln("-------- k = %s --------", k);
}
auto ss = new long[xsLen], ts = new long[xsLen];
foreach (i; 0 .. M) {
ss[as[i]] += 1;
}
foreach (j; 0 .. N) {
ts[bs[j]] += k;
}
alias Entry = Tuple!(long, "slope", long, "len");
DList!Entry queL, queR;
long ofsL, ofsR;
long lenR;
long val;
queL.insertBack(Entry(-BIG, INF));
foreach (e; 0 .. xsLen) {
if (ss[e] > 0) {
debug {
writefln("shift +%s", ss[e]);
}
for (long need = ss[e]; need > 0; ) {
const tmp = min(need, queL.back.len);
queR.insertFront(Entry(queL.back.slope + ofsL - ofsR, tmp));
need -= tmp;
if ((queL.back.len -= tmp) == 0) {
queL.removeBack;
}
lenR += tmp;
}
}
if (ts[e] > 0) {
debug {
writefln("stretch min -%s", ts[e]);
}
queR.insertBack(Entry(0 - ofsR, ts[e]));
for (long need = ts[e]; need > 0; ) {
const tmp = min(need, queR.front.len);
queL.insertBack(Entry(queR.front.slope + ofsR - ofsL, tmp));
need -= tmp;
if ((queR.front.len -= tmp) == 0) {
queR.removeFront;
}
}
}
debug {
write(" L:");
foreach (ref entry; queL) writef(" (%s, %s)", entry.slope + ofsL, entry.len);
writeln;
write(" R:");
foreach (ref entry; queR) writef(" (%s, %s)", entry.slope + ofsR, entry.len);
writeln;
writefln(" lenR = %s, val = %s", lenR, val);
}
if (e + 1 < xsLen) {
const x = xs[e + 1] - xs[e];
debug {
writefln("add %s |t|", x);
}
ofsL -= x;
ofsR += x;
val += x * lenR;
for (; !queR.empty && queR.back.slope + ofsR > 0; ) {
lenR -= queR.back.len;
val -= (queR.back.slope + ofsR) * queR.back.len;
queR.removeBack;
}
}
debug {
write(" L:");
foreach (ref entry; queL) writef(" (%s, %s)", entry.slope + ofsL, entry.len);
writeln;
write(" R:");
foreach (ref entry; queR) writef(" (%s, %s)", entry.slope + ofsR, entry.len);
writeln;
writefln(" lenR = %s, val = %s", lenR, val);
}
}
long ans = val;
foreach_reverse (ref entry; queR) {
ans -= (entry.slope + ofsR) * entry.len;
}
writeln(ans);
}
}
} catch (EOFException e) {
}
}