結果
問題 | No.833 かっこいい電車 |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-05-24 21:52:15 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 128 ms / 2,000 ms |
コード長 | 2,836 bytes |
コンパイル時間 | 1,784 ms |
コンパイル使用メモリ | 162,640 KB |
実行使用メモリ | 11,572 KB |
最終ジャッジ日時 | 2024-06-22 01:23:15 |
合計ジャッジ時間 | 5,666 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 92 ms
6,928 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 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
6,944 KB |
testcase_10 | AC | 96 ms
7,232 KB |
testcase_11 | AC | 128 ms
8,792 KB |
testcase_12 | AC | 41 ms
7,000 KB |
testcase_13 | AC | 28 ms
6,944 KB |
testcase_14 | AC | 104 ms
9,504 KB |
testcase_15 | AC | 51 ms
6,940 KB |
testcase_16 | AC | 43 ms
9,404 KB |
testcase_17 | AC | 36 ms
6,940 KB |
testcase_18 | AC | 114 ms
7,452 KB |
testcase_19 | AC | 41 ms
8,404 KB |
testcase_20 | AC | 11 ms
6,940 KB |
testcase_21 | AC | 95 ms
7,084 KB |
testcase_22 | AC | 71 ms
9,436 KB |
testcase_23 | AC | 47 ms
8,628 KB |
testcase_24 | AC | 69 ms
10,140 KB |
testcase_25 | AC | 108 ms
7,168 KB |
testcase_26 | AC | 49 ms
7,684 KB |
testcase_27 | AC | 79 ms
6,984 KB |
testcase_28 | AC | 57 ms
6,940 KB |
testcase_29 | AC | 67 ms
6,940 KB |
testcase_30 | AC | 99 ms
11,572 KB |
testcase_31 | AC | 91 ms
9,432 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.complex, std.container, std.math, 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 sum = 0; for (int x = pos - 1; x >= 0; x = (x & (x + 1)) - 1) { sum += bit[x]; } return sum; } int N, Q; long[] A; int[] T, X; void main() { try { for (; ; ) { N = readInt(); Q = readInt(); A = new long[N]; foreach (i; 0 .. N) { A[i] = readLong(); } T = new int[Q]; X = new int[Q]; foreach (q; 0 .. Q) { T[q] = readInt(); X[q] = readInt() - 1; } auto cut = new RedBlackTree!int; foreach (i; 0 .. N + 1) { cut.insert(i); } auto bit = new long[N]; foreach (i; 0 .. N) { bit.bAdd(i, A[i]); } foreach (q; 0 .. Q) { switch (T[q]) { case 1: { cut.removeKey(X[q] + 1); } break; case 2: { cut.insert(X[q] + 1); } break; case 3: { bit.bAdd(X[q], +1); } break; case 4: { const l = cut.lowerBound(X[q] + 1).back; const r = cut.upperBound(X[q]).front; debug { writeln("cut = ", cut); writeln(" ", X[q], " ", l, " ", r); } const ans = bit.bSum(r) - bit.bSum(l); writeln(ans); } break; default: assert(false); } } } } catch (EOFException e) { } }