結果
問題 | No.1078 I love Matrix Construction |
ユーザー |
👑 |
提出日時 | 2020-06-12 21:31:41 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 353 ms / 2,000 ms |
コード長 | 3,165 bytes |
コンパイル時間 | 885 ms |
コンパイル使用メモリ | 125,516 KB |
実行使用メモリ | 35,928 KB |
最終ジャッジ日時 | 2024-06-22 07:17:59 |
合計ジャッジ時間 | 6,716 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
other | AC * 22 |
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)); }Tuple!(int, int[]) scc(in int[][][] graph) {const n = cast(int)(graph[0].length);int compN;auto compIds = new int[n];int[] us;void dfs(int s, int u, int a, int b) {if (compIds[u] == a) {compIds[u] = b;foreach (v; graph[s][u]) {dfs(s, v, a, b);}if (s == 0) {us ~= u;}}}foreach (u; 0 .. n) {dfs(0, u, 0, -1);}foreach_reverse (u; us) {if (compIds[u] == -1) {dfs(1, u, -1, compN);++compN;}}return tuple(compN, compIds);}void main() {try {for (; ; ) {const N = readInt();auto S = new int[N];auto T = new int[N];auto U = new int[N];foreach (i; 0 .. N) {S[i] = readInt() - 1;}foreach (i; 0 .. N) {T[i] = readInt() - 1;}foreach (i; 0 .. N) {U[i] = readInt();}auto graph = new int[][][](2, N * N * 2);void ae(int u, int v) {graph[0][u] ~= v;graph[1][v] ~= u;}foreach (i; 0 .. N) {foreach (j; 0 .. N) {const u = S[i] * N + j;const v = j * N + T[i];const s = (U[i] >> 0) & 1;const t = (U[i] >> 1) & 1;debug {writeln(u, " ", v, " ", s, " ", t);}ae(u * 2 + s, v * 2 + (t ^ 1));ae(v * 2 + t, u * 2 + (s ^ 1));}}auto res = scc(graph);bool ok = true;foreach (u; 0 .. N * N) {ok = ok && (res[1][u * 2 + 0] != res[1][u * 2 + 1]);}if (ok) {auto ans = new int[N * N];foreach (u; 0 .. N * N) {ans[u] = (res[1][u * 2 + 0] < res[1][u * 2 + 1]) ? 1 : 0;}foreach (x; 0 .. N) {foreach (y; 0 .. N) {if (y > 0) write(" ");write(ans[x * N + y]);}writeln();}} else {writeln(-1);}}} catch (EOFException e) {}}