結果
問題 | No.876 Range Compress Query |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-09-06 21:40:40 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 138 ms / 2,000 ms |
コード長 | 3,188 bytes |
コンパイル時間 | 866 ms |
コンパイル使用メモリ | 122,188 KB |
実行使用メモリ | 17,448 KB |
最終ジャッジ日時 | 2024-06-22 02:27:35 |
合計ジャッジ時間 | 3,481 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | 2 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 3 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 134 ms
17,072 KB |
testcase_12 | AC | 111 ms
7,364 KB |
testcase_13 | AC | 113 ms
15,736 KB |
testcase_14 | AC | 134 ms
17,448 KB |
testcase_15 | AC | 97 ms
15,508 KB |
testcase_16 | AC | 131 ms
16,408 KB |
testcase_17 | AC | 131 ms
16,264 KB |
testcase_18 | AC | 138 ms
16,252 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, L, R; long[] X; void main() { try { for (; ; ) { N = readInt(); Q = readInt(); A = new long[N]; foreach (i; 0 .. N) { A[i] = readLong(); } T = new int[Q]; L = new int[Q]; R = new int[Q]; X = new long[Q]; foreach (q; 0 .. Q) { T[q] = readInt(); L[q] = readInt() - 1; R[q] = readInt() - 1; if (T[q] == 1) { X[q] = readLong(); } } auto bit0 = new long[N + 1]; auto bit1 = new long[N + 1]; foreach (i; 0 .. N) { bit0.bAdd(i, +A[i]); bit0.bAdd(i + 1, -A[i]); } foreach (i; 0 .. N - 1) { if (A[i] != A[i + 1]) { bit1.bAdd(i, +1); } } foreach (q; 0 .. Q) { if (T[q] == 1) { void update(int i, int s) { const a0 = bit0.bSum(i + 1); const a1 = bit0.bSum(i + 2); if (a0 != a1) { bit1.bAdd(i, s); } } if (0 <= L[q] - 1) update(L[q] - 1, -1); if (R[q] + 1 < N) update(R[q], -1); bit0.bAdd(L[q], +X[q]); bit0.bAdd(R[q] + 1, -X[q]); if (0 <= L[q] - 1) update(L[q] - 1, +1); if (R[q] + 1 < N) update(R[q], +1); } else { const res = bit1.bSum(R[q]) - bit1.bSum(L[q]); writeln(res + 1); } debug { writeln(iota(N).map!(i => bit0.bSum(i + 1)), " ", iota(N).map!(i => bit1.bSum(i + 1) - bit1.bSum(i))); } } } } catch (EOFException e) { } }