結果
問題 | No.2301 Namorientation |
ユーザー | 👑 hos.lyric |
提出日時 | 2023-05-12 22:03:24 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 295 ms / 3,000 ms |
コード長 | 2,851 bytes |
コンパイル時間 | 1,078 ms |
コンパイル使用メモリ | 121,892 KB |
実行使用メモリ | 23,872 KB |
最終ジャッジ日時 | 2024-06-22 17:56:02 |
合計ジャッジ時間 | 13,970 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 1 ms
6,944 KB |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 167 ms
14,644 KB |
testcase_13 | AC | 159 ms
14,320 KB |
testcase_14 | AC | 288 ms
23,588 KB |
testcase_15 | AC | 186 ms
15,064 KB |
testcase_16 | AC | 235 ms
17,456 KB |
testcase_17 | AC | 166 ms
14,796 KB |
testcase_18 | AC | 233 ms
16,500 KB |
testcase_19 | AC | 137 ms
14,216 KB |
testcase_20 | AC | 240 ms
17,240 KB |
testcase_21 | AC | 173 ms
15,152 KB |
testcase_22 | AC | 219 ms
20,768 KB |
testcase_23 | AC | 196 ms
22,448 KB |
testcase_24 | AC | 171 ms
16,096 KB |
testcase_25 | AC | 166 ms
17,388 KB |
testcase_26 | AC | 223 ms
22,448 KB |
testcase_27 | AC | 289 ms
23,088 KB |
testcase_28 | AC | 295 ms
23,872 KB |
testcase_29 | AC | 270 ms
20,528 KB |
testcase_30 | AC | 292 ms
20,744 KB |
testcase_31 | AC | 284 ms
20,480 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; } 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 N; int[] A, B; int[][] G; void main() { try { for (; ; ) { N = readInt; A = new int[N]; B = new int[N]; foreach (i; 0 .. N) { A[i] = readInt - 1; B[i] = readInt - 1; } G = new int[][N]; foreach (i; 0 .. N) { G[A[i]] ~= i; G[B[i]] ~= i; } auto deg = new int[N]; DList!int que; foreach (u; 0 .. N) { deg[u] = cast(int)(G[u].length); if (deg[u] == 1) { que ~= u; } } auto ans = new int[N]; ans[] = -1; auto del = new bool[N]; for (; !que.empty; ) { const u = que.front; que.removeFront; del[u] = true; foreach (i; G[u]) if (!~ans[i]) { int v = -1; if (u == A[i]) { ans[i] = 0; v = B[i]; } else { ans[i] = 1; v = A[i]; } if (--deg[v] == 1) { que ~= v; } } } debug { writeln("ans = ", ans); writeln("del = ", del); } foreach (s; 0 .. N) if (!del[s]) { for (int u = s; ; ) { del[u] = true; int v = -1; foreach (i; G[u]) if (!~ans[i]) { if (u == A[i]) { ans[i] = 0; v = B[i]; } else { ans[i] = 1; v = A[i]; } break; } assert(~v); if (v == s) break; u = v; } } foreach (i; 0 .. N) { writeln(["->", "<-"][ans[i]]); } debug { writeln("========"); } } } catch (EOFException e) { } }