結果
問題 | No.517 壊れたアクセサリー |
ユーザー |
👑 |
提出日時 | 2020-03-28 01:13:21 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 1 ms / 2,000 ms |
コード長 | 3,022 bytes |
コンパイル時間 | 904 ms |
コンパイル使用メモリ | 127,596 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-22 05:57:38 |
合計ジャッジ時間 | 1,726 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 15 |
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)); }void main() {try {for (; ; ) {const N = readInt();auto A = new string[N];foreach (i; 0 .. N) {A[i] = readToken();}const M = readInt();auto B = new string[M];foreach (i; 0 .. M) {B[i] = readToken();}char[] csA, csB;foreach (i; 0 .. N) {foreach (c; A[i]) {csA ~= c;}}foreach (i; 0 .. M) {foreach (c; B[i]) {csB ~= c;}}csA = cast(char[])((cast(byte[])(csA)).sort.array);csB = cast(char[])((cast(byte[])(csB)).sort.array);assert(csA == csB);const V = cast(int)(csA.length);auto adj = new bool[][](V, V);foreach (i; 0 .. N) {foreach (j; 0 .. cast(int)(A[i].length) - 1) {const u = csA.lowerBound(A[i][j]);const v = csA.lowerBound(A[i][j + 1]);adj[u][v] = true;}}foreach (i; 0 .. M) {foreach (j; 0 .. cast(int)(B[i].length) - 1) {const u = csA.lowerBound(B[i][j]);const v = csA.lowerBound(B[i][j + 1]);adj[u][v] = true;}}int numEdges;foreach (u; 0 .. V) foreach (v; 0 .. V) {if (adj[u][v]) {++numEdges;}}if (numEdges == V - 1) {string ans;foreach (u; 0 .. V) {if (iota(V).all!(v => !adj[v][u])) {for (int v = u; ; ) {ans ~= csA[v];foreach (w; 0 .. V) {if (adj[v][w]) {v = w;goto found;}}break;found:}break;}}writeln(ans);} else {writeln(-1);}}} catch (EOFException e) {}}