結果
問題 | No.2286 Join Hands |
ユーザー | 👑 hos.lyric |
提出日時 | 2023-04-28 23:06:21 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 55 ms / 2,000 ms |
コード長 | 2,688 bytes |
コンパイル時間 | 818 ms |
コンパイル使用メモリ | 118,648 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 17:48:41 |
合計ジャッジ時間 | 2,540 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
6,816 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 12 ms
6,940 KB |
testcase_09 | AC | 11 ms
6,940 KB |
testcase_10 | AC | 16 ms
6,944 KB |
testcase_11 | AC | 13 ms
6,944 KB |
testcase_12 | AC | 13 ms
6,940 KB |
testcase_13 | AC | 16 ms
6,944 KB |
testcase_14 | AC | 9 ms
6,940 KB |
testcase_15 | AC | 10 ms
6,940 KB |
testcase_16 | AC | 8 ms
6,944 KB |
testcase_17 | AC | 10 ms
6,940 KB |
testcase_18 | AC | 7 ms
6,944 KB |
testcase_19 | AC | 4 ms
6,940 KB |
testcase_20 | AC | 6 ms
6,940 KB |
testcase_21 | AC | 8 ms
6,940 KB |
testcase_22 | AC | 4 ms
6,940 KB |
testcase_23 | AC | 4 ms
6,944 KB |
testcase_24 | AC | 6 ms
6,940 KB |
testcase_25 | AC | 4 ms
6,940 KB |
testcase_26 | AC | 3 ms
6,940 KB |
testcase_27 | AC | 4 ms
6,940 KB |
testcase_28 | AC | 1 ms
6,940 KB |
testcase_29 | AC | 1 ms
6,944 KB |
testcase_30 | AC | 1 ms
6,940 KB |
testcase_31 | AC | 1 ms
6,940 KB |
testcase_32 | AC | 1 ms
6,940 KB |
testcase_33 | AC | 1 ms
6,940 KB |
testcase_34 | AC | 1 ms
6,940 KB |
testcase_35 | AC | 1 ms
6,940 KB |
testcase_36 | AC | 1 ms
6,944 KB |
testcase_37 | AC | 1 ms
6,944 KB |
testcase_38 | AC | 1 ms
6,940 KB |
testcase_39 | AC | 1 ms
6,944 KB |
testcase_40 | AC | 1 ms
6,940 KB |
testcase_41 | AC | 1 ms
6,944 KB |
testcase_42 | AC | 1 ms
6,940 KB |
testcase_43 | AC | 1 ms
6,940 KB |
testcase_44 | AC | 1 ms
6,940 KB |
testcase_45 | AC | 1 ms
6,940 KB |
testcase_46 | AC | 1 ms
6,944 KB |
testcase_47 | AC | 7 ms
6,940 KB |
testcase_48 | AC | 8 ms
6,944 KB |
testcase_49 | AC | 55 ms
6,940 KB |
testcase_50 | AC | 54 ms
6,940 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | AC | 6 ms
6,940 KB |
testcase_53 | AC | 6 ms
6,944 KB |
testcase_54 | AC | 6 ms
6,944 KB |
testcase_55 | AC | 32 ms
6,944 KB |
testcase_56 | AC | 52 ms
6,944 KB |
testcase_57 | AC | 52 ms
6,944 KB |
testcase_58 | AC | 7 ms
6,944 KB |
testcase_59 | AC | 7 ms
6,944 KB |
testcase_60 | AC | 8 ms
6,944 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)); } // !!!Assume bipartite (n vertices overall)!!! class BMatch { int n; int[][] g; int[] to; bool[] vis; this(int n) { this.n = n; g = new int[][n]; to = new int[n]; vis = new bool[n]; } void ae(int u, int v) { g[u] ~= v; g[v] ~= u; } bool augment(int u) { foreach (v; g[u]) if (!vis[v]) { vis[v] = true; if (to[v] == -1 || augment(to[v])) { to[u] = v; to[v] = u; return true; } } return false; } int solve() { int ret; to[] = -1; foreach (u; 0 .. n) if (to[u] == -1) { vis[] = false; if (augment(u)) ++ret; } return ret; } } void main() { try { for (; ; ) { const N = readInt; const M = readInt; auto A = new int[M]; auto B = new int[M]; foreach (i; 0 .. M) { A[i] = readInt - 1; B[i] = readInt - 1; } auto deg = new int[N]; foreach (i; 0 .. M) { ++deg[A[i]]; ++deg[B[i]]; } auto bm = new BMatch(N + N); foreach (i; 0 .. M) { bm.ae(A[i], N + B[i]); bm.ae(B[i], N + A[i]); } int ans = bm.solve; debug { writeln("ans = ", ans); } if (ans == N - 1) { int um = -1, vm = -1; foreach (u; 0 .. N) { if (!~bm.to[u]) um = u; if (!~bm.to[N + u]) vm = u; } if (um == vm && deg[um] == 0) { --ans; } } debug { writeln("ans = ", ans); } writeln(2 * ans - N); } } catch (EOFException e) { } }