結果
問題 |
No.3244 Range Multiple of 8 Query
|
ユーザー |
👑 |
提出日時 | 2025-08-22 22:14:58 |
言語 | D (dmd 2.109.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,473 bytes |
コンパイル時間 | 845 ms |
コンパイル使用メモリ | 107,636 KB |
実行使用メモリ | 39,892 KB |
最終ジャッジ日時 | 2025-08-22 22:15:26 |
合計ジャッジ時間 | 16,689 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 19 WA * 21 |
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)); } enum INF = 1001001001; void main() { int[3][] A; for (int x = 0; x < 1000; x += 8) A ~= [x % 10, x / 10 % 10, x / 100]; try { for (; ; ) { const N = readInt; const Q = readInt; const S = readToken; auto prv = new int[3][10][N + 1]; foreach (a; 0 .. 10) foreach (k; 0 .. 3) prv[0][a][k] = -1; foreach (i; 0 .. N) { prv[i + 1] = prv[i]; const a = S[i] - '0'; foreach_reverse (k; 1 .. 3) prv[i + 1][a][k] = prv[i + 1][a][k - 1]; prv[i + 1][a][0] = i; } foreach (q; 0 .. Q) { const L = readInt - 1; const R = readInt; debug writeln(prv[R]); int ans = INF; foreach (a; A) { const i0 = prv[R][a[0]][0]; const i1 = prv[R][a[1]][(a[0] == a[1])]; const i2 = prv[R][a[2]][(a[0] == a[2]) + (a[1] == a[2])]; if (L <= i0 && L <= i1 && L <= i2) { int cost = 0; cost += ((R - 1) - i0); cost += ((R - 2) - (i1 - (i0 < i1))); cost += ((R - 3) - (i2 - (i0 < i2) - (i1 < i2))); debug writeln(a, ": ", cost); chmin(ans, cost); } } writeln((ans < INF) ? ans : -1); } } } catch (EOFException e) { } }