結果
問題 | No.2411 Reverse Directions |
ユーザー | 👑 hos.lyric |
提出日時 | 2023-08-11 22:22:06 |
言語 | D (dmd 2.106.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,186 bytes |
コンパイル時間 | 2,622 ms |
コンパイル使用メモリ | 121,756 KB |
実行使用メモリ | 23,296 KB |
最終ジャッジ日時 | 2024-11-18 16:52:25 |
合計ジャッジ時間 | 6,710 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
5,248 KB |
testcase_01 | AC | 1 ms
5,248 KB |
testcase_02 | AC | 1 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | WA | - |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | AC | 1 ms
5,248 KB |
testcase_09 | AC | 1 ms
5,248 KB |
testcase_10 | AC | 196 ms
13,312 KB |
testcase_11 | WA | - |
testcase_12 | AC | 159 ms
22,272 KB |
testcase_13 | AC | 40 ms
10,880 KB |
testcase_14 | AC | 59 ms
11,520 KB |
testcase_15 | WA | - |
testcase_16 | AC | 11 ms
5,248 KB |
testcase_17 | AC | 56 ms
8,576 KB |
testcase_18 | WA | - |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 41 ms
10,880 KB |
testcase_21 | AC | 68 ms
13,696 KB |
testcase_22 | AC | 109 ms
11,776 KB |
testcase_23 | AC | 67 ms
18,176 KB |
testcase_24 | AC | 133 ms
21,504 KB |
testcase_25 | AC | 21 ms
7,040 KB |
testcase_26 | AC | 1 ms
5,248 KB |
testcase_27 | AC | 32 ms
10,752 KB |
testcase_28 | WA | - |
testcase_29 | AC | 183 ms
23,296 KB |
testcase_30 | WA | - |
testcase_31 | AC | 100 ms
21,376 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)); } enum DX = [+1, 0, -1, 0]; enum DY = [0, +1, 0, -1]; void main() { try { for (; ; ) { const M = readInt; const N = readInt; const K = readInt; const L = readInt - 1; const R = readInt; auto S = new string[M]; foreach (x; 0 .. M) { S[x] = readToken; } DList!int que; auto dist = new int[][](M, N); auto prv = new int[][](M, N); foreach (x; 0 .. M) { dist[x][] = -1; prv[x][] = -1; } dist[0][0] = 0; que ~= 0; que ~= 0; for (; !que.empty; ) { const x = que.front; que.removeFront; const y = que.front; que.removeFront; foreach (dir; 0 .. 4) { int xx = x + DX[dir]; int yy = y + DY[dir]; if (0 <= xx && xx < M && 0 <= yy && yy < N && S[xx][yy] == '.') { if (!~dist[xx][yy]) { dist[xx][yy] = dist[x][y] + 1; prv[xx][yy] = dir; que ~= xx; que ~= yy; } } } } const d = dist[M - 1][N - 1]; if (~d && d <= K - (R - L) && (R - L) % 2 == 0 && (K - d) % 2 == 0) { auto dirs = new int[d]; { int x = M - 1, y = N - 1; foreach_reverse (i; 0 .. d) { const dir = prv[x][y]; dirs[i] = dir; x -= DX[dir]; y -= DY[dir]; } } auto ans = new int[K]; ans[] = -1; { int i = 0; foreach (j; 0 .. K) { if (i == d || (L <= j && j < R)) { ans[j] = (j == 0) ? dirs[0] : (ans[j - 1] ^ 2); } else { ans[j] = dirs[i++]; } } assert(i == d); } debug { writeln("dirs = ", dirs); writeln("ans = ", ans); } writeln("Yes"); foreach (j; 0 .. K) { write("DRUL"[ans[j]]); } writeln; } else { writeln("No"); } } } catch (EOFException e) { } }