結果
問題 | No.1911 Alternately Coloring |
ユーザー | 👑 hos.lyric |
提出日時 | 2022-10-23 16:03:44 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 494 ms / 4,000 ms |
コード長 | 3,719 bytes |
コンパイル時間 | 1,110 ms |
コンパイル使用メモリ | 139,760 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 16:27:12 |
合計ジャッジ時間 | 9,915 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 420 ms
6,944 KB |
testcase_07 | AC | 295 ms
6,944 KB |
testcase_08 | AC | 306 ms
6,944 KB |
testcase_09 | AC | 385 ms
6,944 KB |
testcase_10 | AC | 311 ms
6,940 KB |
testcase_11 | AC | 431 ms
6,940 KB |
testcase_12 | AC | 437 ms
6,944 KB |
testcase_13 | AC | 405 ms
6,944 KB |
testcase_14 | AC | 290 ms
6,944 KB |
testcase_15 | AC | 374 ms
6,944 KB |
testcase_16 | AC | 370 ms
6,940 KB |
testcase_17 | AC | 379 ms
6,944 KB |
testcase_18 | AC | 310 ms
6,944 KB |
testcase_19 | AC | 350 ms
6,944 KB |
testcase_20 | AC | 393 ms
6,940 KB |
testcase_21 | AC | 302 ms
6,944 KB |
testcase_22 | AC | 390 ms
6,940 KB |
testcase_23 | AC | 494 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,944 KB |
testcase_27 | AC | 370 ms
6,944 KB |
testcase_28 | AC | 165 ms
6,940 KB |
testcase_29 | AC | 375 ms
6,944 KB |
testcase_30 | AC | 2 ms
6,940 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)); } int root(int[] uf, int u) { return (uf[u] < 0) ? u : (uf[u] = uf.root(uf[u])); } bool connect(int[] uf, int u, int v) { u = uf.root(u); v = uf.root(v); if (u == v) return false; if (uf[u] > uf[v]) swap(u, v); uf[u] += uf[v]; uf[v] = u; return true; } enum INF = 10L^^18; 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 C = new long[][](2, N); foreach (h; 0 .. 2) foreach (u; 0 .. N) { C[h][u] = readLong; } // bipartite? { auto uf = new int[N << 1]; uf[] = -1; foreach (i; 0 .. M) { uf.connect(A[i] << 1, B[i] << 1 | 1); uf.connect(A[i] << 1 | 1, B[i] << 1); } if (uf.root(0) != uf.root(1)) { long ans; foreach (h; 0 .. 2) { long score; foreach (u; 0 .. N) { score += C[(uf.root(h) == uf.root(u << 1)) ? 1 : 0][u]; } chmax(ans, score); } writeln(ans); continue; } } auto graph = new int[][N]; foreach (i; 0 .. M) { graph[A[i]] ~= B[i]; graph[B[i]] ~= A[i]; } long best; auto loss = new long[][](2, N); foreach (u; 0 .. N) { const mx = max(C[0][u], C[1][u]); best += mx; foreach (h; 0 .. 2) { loss[h][u] = mx - C[h][u]; } } long cost = INF; foreach (src; 0 .. N) { alias Entry = Tuple!(long, "c", int, "h", int, "u"); BinaryHeap!(Array!Entry, "a.c > b.c") que; auto dist = new long[][](2, N); foreach (h; 0 .. 2) { dist[h][] = INF; } que.insert(Entry(dist[0][src] = 0, 0, src)); for (; !que.empty; ) { const c = que.front.c; const h = que.front.h; const u = que.front.u; que.removeFront; if (dist[h][u] == c) { const hh = h ^ 1; foreach (v; graph[u]) { if (hh == 1 && src == v) { chmin(cost, c); } else { const cc = c + loss[h][v]; if (chmin(dist[hh][v], cc)) { que.insert(Entry(cc, hh, v)); } } } } } } writeln(best - cost); } } catch (EOFException e) { } }