結果
問題 | No.568 じゃんじゃん 落とす 委員会 |
ユーザー |
|
提出日時 | 2017-09-09 00:16:26 |
言語 | D (dmd 2.109.1) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,369 bytes |
コンパイル時間 | 891 ms |
コンパイル使用メモリ | 129,956 KB |
実行使用メモリ | 13,364 KB |
最終ジャッジ日時 | 2024-06-12 21:50:49 |
合計ジャッジ時間 | 24,616 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
other | AC * 13 TLE * 13 |
ソースコード
import std.stdio, std.array, std.string, std.conv, std.algorithm;import std.typecons, std.range, std.random, std.math, std.container;import std.numeric, std.bigint, core.bitop;alias Tuple!(int, "a", int, "b") Score;const int MAX = 10^^5 + 10;void main() {auto t = readln.split.map!(to!int);auto N = t[0];auto M = t[1];Score[] s0;Score[] s1;Score[] s2;int cnt2 = 0;int cnt3 = 0;foreach (i; 0..N) {t = readln.split.map!(to!int);if (t[0] == 0)s0 ~= Score(t[1], t[2]);else if (t[0] == 1)s1 ~= Score(t[1], t[2]);else if (t[0] == 2)s2 ~= Score(t[1], t[2]), cnt2 += 1;elsecnt2 += 1, cnt3 += 1;}int ans = 1 << 29;s0.sort!"a[0] < b[0]";s1.sort!"a[0] < b[0]";s2.sort!"a[0] < b[0]";auto st0 = new SegmentTree(MAX);auto st1a = new SegmentTree(MAX);auto st1b = new SegmentTree(MAX);auto st2 = new SegmentTree(MAX);int p0 = s0.length.to!int - 1;int p1 = s1.length.to!int - 1;int p2 = s2.length.to!int - 1;foreach (s; s1)st1b.add(s.b, 1);foreach (s; s2)st2.add(s.b, 1);for (int a = MAX - 1; a >= 0; --a) {for (; p0 >= 0 && s0[p0].a == a; p0--)st0.add(s0[p0].b, 1);for (; p1 >= 0 && s1[p1].a == a; p1--) {st1a.add(s1[p1].b, 1);st1b.add(s1[p1].b, -1);cnt2 += 1;}for (; p2 >= 0 && s2[p2].a == a; p2--) {st2.add(s2[p2].b, -1);cnt3 += 1;}int target = M - cnt2;if (target <= 0) {ans = min(ans, cnt3);continue;}int hi = MAX-1;int lo = -1;while (hi - lo > 1) {int mid = (hi + lo) / 2;int tmp2 = 0;tmp2 += st0.sum(mid, MAX);tmp2 += st1b.sum(mid, MAX);if (tmp2 < target)hi = mid;elselo = mid;}if (lo == -1)continue;int tmp3 = 0;tmp3 += st1a.sum(lo, MAX);tmp3 += st2.sum(lo, MAX);ans = min(ans, cnt3 + tmp3);//if (a <= 100)// writeln([a, lo, cnt2, cnt3, tmp3, ans, st0.sum(lo,MAX)+st1b.sum(lo,MAX), p0, p1, p2]);}ans.writeln;}class SegmentTree {int[] table;int size;this(int n) {assert(bsr(n) < 29);size = 1 << (bsr(n) + 2);table = new int[](size);}void add(int pos, int num) {return add(pos, num, 0, 0, size/2-1);}void add(int pos, int num, int i, int left, int right) {table[i] += num;if (left == right)return;auto mid = (left + right) / 2;if (pos <= mid)add(pos, num, i*2+1, left, mid);elseadd(pos, num, i*2+2, mid+1, right);}int sum(int pl, int pr) {return sum(pl, pr, 0, 0, size/2-1);}int sum(int pl, int pr, int i, int left, int right) {if (pl > right || pr < left)return 0;else if (pl <= left && right <= pr)return table[i];elsereturnsum(pl, pr, i*2+1, left, (left+right)/2) +sum(pl, pr, i*2+2, (left+right)/2+1, right);}}