結果
問題 | No.2719 Equal Inner Products in Permutation |
ユーザー | 👑 hos.lyric |
提出日時 | 2024-04-05 22:06:00 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 275 ms / 2,000 ms |
コード長 | 2,718 bytes |
コンパイル時間 | 2,627 ms |
コンパイル使用メモリ | 118,204 KB |
実行使用メモリ | 8,192 KB |
最終ジャッジ日時 | 2024-10-01 02:22:46 |
合計ジャッジ時間 | 8,576 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
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 1 ms
5,248 KB |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | AC | 1 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 1 ms
5,248 KB |
testcase_09 | AC | 1 ms
5,248 KB |
testcase_10 | AC | 3 ms
5,248 KB |
testcase_11 | AC | 4 ms
5,248 KB |
testcase_12 | AC | 3 ms
5,248 KB |
testcase_13 | AC | 3 ms
5,248 KB |
testcase_14 | AC | 4 ms
5,248 KB |
testcase_15 | AC | 222 ms
7,680 KB |
testcase_16 | AC | 256 ms
8,064 KB |
testcase_17 | AC | 159 ms
6,528 KB |
testcase_18 | AC | 259 ms
7,936 KB |
testcase_19 | AC | 214 ms
7,552 KB |
testcase_20 | AC | 142 ms
6,144 KB |
testcase_21 | AC | 258 ms
8,064 KB |
testcase_22 | AC | 182 ms
7,168 KB |
testcase_23 | AC | 166 ms
7,008 KB |
testcase_24 | AC | 142 ms
6,016 KB |
testcase_25 | AC | 275 ms
8,192 KB |
testcase_26 | AC | 267 ms
8,064 KB |
testcase_27 | AC | 264 ms
8,064 KB |
testcase_28 | AC | 242 ms
8,192 KB |
testcase_29 | AC | 236 ms
8,192 KB |
testcase_30 | AC | 262 ms
8,192 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; } 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)); } int[] solve(int N) { if (N == 1) return null; int[] as, bs; final switch (N % 4) { case 2: { as = [1, 4]; bs = [5, 2]; } break; case 3: { as = [1, 2, 8]; bs = [7, 5, 4]; } break; case 0: { as = [1, 2, 5, 11]; bs = [10, 7, 8, 4]; } break; case 1: { as = [1, 2, 4, 8, 14]; bs = [13, 10, 11, 7, 5]; } break; } int n = cast(int)(as.length); for (; n < N; n += 4) { as ~= [3 * n + 1, 3 * n + 5, 3 * n + 8, 3 * n + 10]; bs ~= [3 * n + 2, 3 * n + 4, 3 * n + 7, 3 * n + 11]; } int[] ans; ans ~= as; foreach (i; 1 .. N + 1) ans ~= 3 * i; ans ~= bs; return ans; } void main() { debug {{ foreach (n; 1 .. 5 + 1) { int[] xs; foreach (x; 1 .. 3 * n + 1) if (x % 3 != 0) xs ~= x; do { int sum; foreach (i; 0 .. n) sum += (i + 1) * (xs[i] - xs[n + i]); if (sum == 0) { writeln(xs); break; } } while (xs.nextPermutation); } foreach (n; 2 .. 10 + 1) { const ans = solve(n); int sum; foreach (i; 0 .. n) sum += ans[n + i] * (ans[i] - ans[2 * n + i]); assert(sum == 0, format("%s: %s %s", n, sum, ans)); } }} try { for (; ; ) { const N = readInt; const ans = solve(N); if (ans) { foreach (i; 0 .. 3 * N) { if (i) write(" "); write(ans[i]); } writeln; } else { writeln(-1); } } } catch (EOFException e) { } }