結果
| 問題 |
No.3269 Leq-K Partition
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2025-09-13 06:59:11 |
| 言語 | D (dmd 2.109.1) |
| 結果 |
AC
|
| 実行時間 | 428 ms / 6,000 ms |
| コード長 | 3,275 bytes |
| コンパイル時間 | 854 ms |
| コンパイル使用メモリ | 106,092 KB |
| 実行使用メモリ | 26,472 KB |
| 最終ジャッジ日時 | 2025-09-13 06:59:20 |
| 合計ジャッジ時間 | 7,584 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 27 |
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; }
string COLOR(string s = "") { return "\x1b[" ~ s ~ "m"; }
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)); }
void bAdd(T)(T[] bit, int pos, T val)
in {
assert(0 <= pos && pos < bit.length, "bAdd: 0 <= pos < |bit| must hold");
}
do {
for (int x = pos; x < bit.length; x |= x + 1) {
bit[x] += val;
}
}
// sum of [0, pos)
T bSum(T)(T[] bit, int pos)
in {
assert(0 <= pos && pos <= bit.length, "bSum: 0 <= pos <= |bit| must hold");
}
do {
T ret = 0;
for (int x = pos - 1; x >= 0; x = (x & (x + 1)) - 1) {
ret += bit[x];
}
return ret;
}
// sum of [l, r)
T bSum(T)(T[] bit, int l, int r)
in {
assert(0 <= l && l <= r && r <= bit.length, "bSum: 0 <= pos <= |bit| must hold");
}
do {
return bit.bSum(r) - bit.bSum(l);
}
// min pos s.t. pred(sum of [0, pos))
// assume pred(sum of [0, pos)) is non-decreasing
int bBinarySearch(alias pred, T)(T[] bit) {
import core.bitop : bsr;
import std.functional : unaryFun;
alias predFun = unaryFun!pred;
if (predFun(0)) return 0;
int pos = 0;
T sum = 0;
foreach_reverse (e; 0 .. bsr(bit.length) + 1) {
const x = (pos | 1 << e) - 1;
if (x < bit.length && !predFun(sum + bit[x])) {
pos |= 1 << e;
sum += bit[x];
}
}
return pos + 1;
}
void main() {
try {
for (; ; ) {
const N = readInt;
auto A = new int[N];
foreach (i; 0 .. N) A[i] = readInt - 1;
auto nxt = new int[N];
auto poss = new int[N];
poss[] = N;
foreach_reverse (i; 0 .. N) {
nxt[i] = poss[A[i]];
poss[A[i]] = i;
}
auto bit = new int[N + 1];
foreach (a; 0 .. N) bit.bAdd(poss[a], +1);
auto ans = new int[N + 1];
auto kss = new int[][N];
foreach (k; 1 .. N + 1) kss[0] ~= k;
foreach (i; 0 .. N) {
foreach (k; kss[i]) {
const j = bit.bBinarySearch!(sum => (sum >= k + 1)) - 1;
debug writefln("k = %s: %s -> %s", k, i, j);
assert(i < j);
++ans[k];
if (j < N) kss[j] ~= k;
}
bit.bAdd(i, -1);
bit.bAdd(nxt[i], +1);
}
foreach (k; 1 .. N + 1) {
writeln(ans[k]);
}
}
} catch (EOFException e) {
}
}