結果
問題 | No.1282 Display Elements |
ユーザー | 👑 hos.lyric |
提出日時 | 2020-11-06 21:45:27 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 116 ms / 2,000 ms |
コード長 | 2,259 bytes |
コンパイル時間 | 977 ms |
コンパイル使用メモリ | 127,700 KB |
実行使用メモリ | 13,664 KB |
最終ジャッジ日時 | 2024-06-22 09:47:39 |
合計ジャッジ時間 | 3,302 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 98 ms
11,924 KB |
testcase_16 | AC | 39 ms
6,944 KB |
testcase_17 | AC | 82 ms
12,008 KB |
testcase_18 | AC | 50 ms
6,944 KB |
testcase_19 | AC | 44 ms
10,324 KB |
testcase_20 | AC | 41 ms
9,936 KB |
testcase_21 | AC | 116 ms
13,664 KB |
testcase_22 | AC | 57 ms
9,832 KB |
testcase_23 | AC | 110 ms
12,096 KB |
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)); } 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; } void main() { try { for (; ; ) { const N = readInt(); auto A = new int[N]; foreach (i; 0 .. N) { A[i] = readInt(); } auto B = new int[N]; foreach (i; 0 .. N) { B[i] = readInt(); } A.sort; auto xs = (A ~ B).sort.uniq.array; const xsLen = cast(int)(xs.length); auto bit = new long[xsLen]; long ans; foreach (i; 0 .. N) { const posB = xs.lowerBound(B[i]); bit.bAdd(posB, 1); const posA = xs.lowerBound(A[i]); ans += bit.bSum(posA); } writeln(ans); } } catch (EOFException e) { } }