結果
問題 | No.1675 Strange Minimum Query |
ユーザー | 👑 hos.lyric |
提出日時 | 2021-09-10 21:41:05 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 1,062 ms / 2,000 ms |
コード長 | 3,962 bytes |
コンパイル時間 | 991 ms |
コンパイル使用メモリ | 123,080 KB |
実行使用メモリ | 23,784 KB |
最終ジャッジ日時 | 2024-06-22 12:23:23 |
合計ジャッジ時間 | 23,481 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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
6,816 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 360 ms
14,316 KB |
testcase_04 | AC | 371 ms
17,472 KB |
testcase_05 | AC | 91 ms
8,032 KB |
testcase_06 | AC | 423 ms
14,256 KB |
testcase_07 | AC | 487 ms
18,644 KB |
testcase_08 | AC | 1 ms
6,940 KB |
testcase_09 | AC | 4 ms
6,940 KB |
testcase_10 | AC | 341 ms
12,964 KB |
testcase_11 | AC | 160 ms
11,968 KB |
testcase_12 | AC | 376 ms
13,636 KB |
testcase_13 | AC | 515 ms
23,784 KB |
testcase_14 | AC | 723 ms
23,440 KB |
testcase_15 | AC | 584 ms
16,584 KB |
testcase_16 | AC | 1 ms
6,940 KB |
testcase_17 | AC | 149 ms
6,940 KB |
testcase_18 | AC | 206 ms
6,940 KB |
testcase_19 | AC | 355 ms
14,312 KB |
testcase_20 | AC | 654 ms
15,760 KB |
testcase_21 | AC | 630 ms
14,188 KB |
testcase_22 | AC | 802 ms
15,680 KB |
testcase_23 | AC | 547 ms
7,284 KB |
testcase_24 | AC | 541 ms
11,256 KB |
testcase_25 | AC | 364 ms
6,940 KB |
testcase_26 | AC | 209 ms
8,104 KB |
testcase_27 | AC | 566 ms
13,404 KB |
testcase_28 | AC | 309 ms
12,756 KB |
testcase_29 | AC | 256 ms
12,612 KB |
testcase_30 | AC | 208 ms
8,152 KB |
testcase_31 | AC | 735 ms
18,388 KB |
testcase_32 | AC | 1,047 ms
16,800 KB |
testcase_33 | AC | 1,062 ms
15,796 KB |
testcase_34 | AC | 1,047 ms
16,808 KB |
testcase_35 | AC | 914 ms
22,868 KB |
testcase_36 | AC | 937 ms
22,244 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)); } // T, S: monoid // opTT: T * T -> T // opST: S * T * int -> T // (s t_a) ... (s t_{b-1}) = opST(s, t_a ... t_{b-1}, b - a) // opSS: S * S -> S // query(a, b, s): t_a <- s t_a, ..., t_{b-1} <- s t_{b-1}; // returns t_a ... t_{b-1} class SegmentTree(T, S, alias opTT, alias opST, alias opSS) { import std.functional : binaryFun; alias opTTFun = binaryFun!opTT; alias opSTFun = opST; alias opSSFun = binaryFun!opSS; const(T) idT; const(S) idS; int n; T[] ts; S[] ss; this(int n_, const(T) idT, const(S) idS) { this.idT = idT; this.idS = idS; for (n = 1; n < n_; n <<= 1) {} ts = new T[n << 1]; ss = new S[n << 1]; ts[] = idT; ss[] = idS; } ref T at(int a) { return ts[n + a]; } void build() { foreach_reverse (a; 1 .. n) ts[a] = opTTFun(ts[a << 1], ts[a << 1 | 1]); } T query(int a, int b, const(S) s) { return query(1, 0, n, a, b, s); } private: T query(int u, int l, int r, int a, int b, const(S) s) { if (a < l) a = l; if (b > r) b = r; if (a >= b) return idT; if (a == l && b == r) { ts[u] = opSTFun(s, ts[u], r - l); ss[u] = opSSFun(s, ss[u]); return ts[u]; } const int uL = u << 1, uR = u << 1 | 1; const int mid = (l + r) >> 1; // speed-up: if (ss[u] != idS) { ts[uL] = opSTFun(ss[u], ts[uL], mid - l); ts[uR] = opSTFun(ss[u], ts[uR], r - mid); ss[uL] = opSSFun(ss[u], ss[uL]); ss[uR] = opSSFun(ss[u], ss[uR]); ss[u] = idS; } const T resL = query(uL, l, mid, a, b, s); const T resR = query(uR, mid, r, a, b, s); ts[u] = opTTFun(ts[uL], ts[uR]); return opTTFun(resL, resR); } } void main() { try { for (; ; ) { const N = readInt(); const Q = readInt(); auto L = new int[Q]; auto R = new int[Q]; auto B = new int[Q]; foreach (q; 0 .. Q) { L[q] = readInt() - 1; R[q] = readInt(); B[q] = readInt(); } auto ans = new int[N]; auto seg0 = new SegmentTree!(int, int, max, (s, t, sz) => max(s, t), max)(N, 1, 1); foreach (q; 0 .. Q) { seg0.query(L[q], R[q], B[q]); } foreach (i; 0 .. N) { ans[i] = seg0.query(i, i + 1, 1); } auto seg1 = new SegmentTree!(int, int, min, (s, t, sz) => min(s, t), min)(N, 10^^9 + 1, 10^^9 + 1); foreach (i; 0 .. N) { seg1.at(i) = ans[i]; } seg1.build; bool ok = true; foreach (q; 0 .. Q) { ok = ok && (seg1.query(L[q], R[q], 10^^9 + 1) == B[q]); } if (ok) { foreach (i; 0 .. N) { if (i > 0) write(" "); write(ans[i]); } writeln; } else { writeln(-1); } } } catch (EOFException e) { } }