結果
問題 | No.6 使いものにならないハッシュ |
ユーザー | te-sh |
提出日時 | 2020-01-21 10:42:30 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 4 ms / 5,000 ms |
コード長 | 4,558 bytes |
コンパイル時間 | 2,061 ms |
コンパイル使用メモリ | 161,696 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-22 04:22:17 |
合計ジャッジ時間 | 2,352 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
6,940 KB |
testcase_02 | AC | 4 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,948 KB |
testcase_06 | AC | 3 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,944 KB |
testcase_08 | AC | 3 ms
6,944 KB |
testcase_09 | AC | 3 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 3 ms
6,944 KB |
testcase_15 | AC | 3 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 3 ms
6,940 KB |
testcase_18 | AC | 4 ms
6,940 KB |
testcase_19 | AC | 3 ms
6,944 KB |
testcase_20 | AC | 3 ms
6,940 KB |
testcase_21 | AC | 1 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 3 ms
6,940 KB |
testcase_24 | AC | 3 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 3 ms
6,940 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 3 ms
6,940 KB |
testcase_30 | AC | 3 ms
6,940 KB |
testcase_31 | AC | 3 ms
6,944 KB |
ソースコード
// URL: https://yukicoder.me/problems/no/6 import std.algorithm, std.array, std.container, std.math, std.range, std.typecons, std.string; version(unittest) {} else void main() { int K; io.getV(K); int N; io.getV(N); auto primes = Prime(N); auto p = primes.array.find!"a >= b"(K).array, h = p.map!hash.array; auto i = 0, j = 0, b = new bool[](10); b[h[i]] = true; auto ml = 0, mi = i; for (; j < h.length; ++j) { if (b[h[j]]) { while (h[i] != h[j]) b[h[i++]] = false; if (i < j) b[h[i++]] = false; } b[h[j]] = true; if (j-i >= ml) { mi = i; ml = j-i; } } io.put(p[mi]); } auto hash(int x) { while (x >= 10) { auto y = 0; for (; x > 0; x /= 10) y += x%10; x = y; } return x; } pure T isqrt(T)(T n) { static if (is(T == int)) auto max = 46341; else static if (is(T == long)) auto max = 3037000500L; auto bs = iota(T(0), max).map!(x => tuple(x, x^^2)).assumeSorted!"a[1]<=b[1]"; return bs.lowerBound(tuple(0, n)).back[0]; } pure T icbrt(T)(T n) { static if (is(T == int)) auto max = 1291; else static if (is(T == long)) auto max = 2097152L; auto bs = iota(T(0), max).map!(x => tuple(x, x^^3)).assumeSorted!"a[1]<=b[1]"; return bs.lowerBound(tuple(0, n)).back[0]; } pure T powr(alias pred = "a*b", T, U)(T a, U n, T one) { import std.functional; alias predFun = binaryFun!pred; if (n == 0) return one; auto r = one; for (; n > 0; n >>= 1) { if (n&1) r = predFun(r, a); a = predFun(a, a); } return r; } pure T powr(alias pred = "a*b", T, U)(T a, U n) { return powr!(pred, T, U)(a, n, T(1)); } pure T extGcd(T)(T a, T b, out T x, out T y) { auto g = a; x = 1; y = 0; if (b) { g = extGcd(b, a%b, y, x); y -= a/b*x; } return g; } struct Prime { import std.bitmanip; struct Factor { int prime, exp; } int n; int[] primes; @property array() { return primes; } alias array this; this(int n) { this.n = n; auto sieve = BitArray(); sieve.length((n+1)/2); sieve = ~sieve; foreach (p; 1..(n.isqrt-1)/2+1) if (sieve[p]) for (auto q = p*3+1; q < (n+1)/2; q += p*2+1) sieve[q] = false; primes = sieve.bitsSet.map!(p => cast(int)p*2+1).array; primes[0] = 2; } pure Factor[] div(int x) in { assert(x > 0 && x.isqrt <= n); } do { Factor[] factors; auto t = isqrt(x); foreach (p; primes) { if (p > t) break; auto c = 0; for (; x%p == 0; x /= p) ++c; if (c > 0) factors ~= Factor(p, c); if (x == 1) break; } if (x > 1) factors ~= [Factor(x, 1)]; return factors; } pure int[] divisors(int x) in { assert(x > 0 && x.isqrt <= n); } do { auto factors = div(x); auto r = divisorsProc(factors, 0, 1); r.sort(); return r; } private: pure int[] divisorsProc(Factor[] factors, int i, int c) { if (i == factors.length) return [c]; int[] r; foreach (j; 0..factors[i].exp+1) r ~= divisorsProc(factors, i+1, c*factors[i].prime^^j); return r; } } auto io = IO!()(); import std.stdio; struct IO(alias IN = stdin, alias OUT = stdout, string delimiter = " ", string floatFormat = "%.10f") { import std.conv, std.format, std.meta, std.traits; alias assignable = hasAssignableElements; dchar[] buf; auto sp = (new dchar[](0)).splitter; void nextLine() { IN.readln(buf); sp = buf.splitter; } auto get(T)(ref T v) { if (sp.empty) nextLine(); v = sp.front.to!T; sp.popFront(); } auto getV(T...)(ref T v) { foreach (ref w; v) get(w); } auto getA(T)(size_t n, ref T v) if (assignable!T) { v = new T(n); foreach (ref w; v) get(w); } auto getC(T...)(size_t n, ref T v) if (allSatisfy!(assignable, T)) { foreach (ref w; v) w = new typeof(w)(n); foreach (i; 0..n) foreach (ref w; v) get(w[i]); } auto getM(T)(size_t r, size_t c, ref T v) if (assignable!T && assignable!(ElementType!T)) { v = new T(r); foreach (ref w; v) getA(c, w); } auto putR(T)(T v) { auto w = v; while (!w.empty) { putA(w.front); w.popFront(); if (!w.empty) OUT.write(delimiter); } } auto putA(T)(T v) { static if (isInputRange!T && !isSomeString!T) putR(v); else if (isFloatingPoint!T) OUT.write(format(floatFormat, v)); else OUT.write(v); } auto put(bool flush = false, T...)(T v) { foreach (i, w; v) { putA(w); if (i < v.length-1) OUT.write(delimiter); } OUT.writeln; static if (flush) OUT.flush(); } auto putB(S, T)(bool c, S t, T f) { if (c) put(t); else put(f); } auto putRaw(T...)(T v) { OUT.write(v); OUT.writeln; } }