結果
問題 | No.1323 うしらずSwap |
ユーザー | 👑 hos.lyric |
提出日時 | 2020-12-20 00:08:24 |
言語 | D (dmd 2.106.1) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,976 bytes |
コンパイル時間 | 1,108 ms |
コンパイル使用メモリ | 130,192 KB |
実行使用メモリ | 116,056 KB |
最終ジャッジ日時 | 2024-06-22 10:25:48 |
合計ジャッジ時間 | 66,264 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
6,944 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | WA | - |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | AC | 1 ms
6,940 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | AC | 1 ms
6,944 KB |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 1,405 ms
48,852 KB |
testcase_17 | AC | 1,610 ms
48,936 KB |
testcase_18 | AC | 1,398 ms
48,316 KB |
testcase_19 | AC | 1,619 ms
48,480 KB |
testcase_20 | AC | 1,399 ms
49,460 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 1,492 ms
65,272 KB |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | AC | 2,175 ms
65,500 KB |
testcase_34 | AC | 2,425 ms
109,868 KB |
testcase_35 | AC | 2,576 ms
116,056 KB |
testcase_36 | AC | 2,590 ms
109,684 KB |
testcase_37 | AC | 2,622 ms
65,532 KB |
testcase_38 | AC | 2,837 ms
65,980 KB |
testcase_39 | AC | 2,823 ms
66,176 KB |
testcase_40 | AC | 2,896 ms
86,000 KB |
testcase_41 | AC | 2,845 ms
65,360 KB |
testcase_42 | AC | 2,805 ms
70,208 KB |
testcase_43 | AC | 621 ms
65,560 KB |
testcase_44 | AC | 816 ms
65,188 KB |
testcase_45 | AC | 1,010 ms
66,448 KB |
testcase_46 | AC | 809 ms
49,888 KB |
testcase_47 | AC | 760 ms
66,624 KB |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | AC | 7 ms
6,940 KB |
testcase_60 | AC | 5 ms
6,944 KB |
testcase_61 | WA | - |
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)); } enum DX = [+1, 0, -1, 0]; enum DY = [0, +1, 0, -1]; void main() { try { for (; ; ) { const H = readInt(); const W = readInt(); const SX = readInt() - 1; const SY = readInt() - 1; const TX = readInt() - 1; const TY = readInt() - 1; auto A = new string[H]; foreach (x; 0 .. H) { A[x] = readToken(); } alias Pt = Tuple!(int, "x", int, "y"); DList!Pt que; auto dist = new int[][](H, W); auto prev = new Pt[][](H, W); foreach (x; 0 .. H) foreach (y; 0 .. W) { dist[x][y] = -1; } dist[SX][SY] = 0; que ~= Pt(SX, SY); for (; !que.empty; ) { const x = que.front.x; const y = que.front.y; que.removeFront; foreach (dir; 0 .. 4) { const xx = x + DX[dir]; const yy = y + DY[dir]; if (A[xx][yy] == '.') { if (dist[xx][yy] == -1) { dist[xx][yy] = dist[x][y] + 1; prev[xx][yy] = Pt(x, y); que ~= Pt(xx, yy); } } } } auto distT = new int[][](H, W); foreach (x; 0 .. H) foreach (y; 0 .. W) { distT[x][y] = -1; } distT[TX][TY] = 0; que ~= Pt(TX, TY); for (; !que.empty; ) { const x = que.front.x; const y = que.front.y; que.removeFront; foreach (dir; 0 .. 4) { const xx = x + DX[dir]; const yy = y + DY[dir]; if (A[xx][yy] == '.') { if (distT[xx][yy] == -1) { distT[xx][yy] = distT[x][y] + 1; que ~= Pt(xx, yy); } } } } int ans; if (dist[TX][TY] != -1) { auto on = new bool[][](H, W); for (int x = TX, y = TY; ; ) { on[x][y] = true; if (x == SX && y == SY) { break; } const p = prev[x][y]; x = p.x; y = p.y; } bool ok; foreach (x; 1 .. H - 1) foreach (y; 1 .. W - 1) { if (on[x][y]) { foreach (dir; 0 .. 4) { const xx = x + DX[dir]; const yy = y + DY[dir]; if (A[xx][yy] == '.' && !on[xx][yy]) { ok = true; } } } } if (ok) { bool good; foreach (x; 1 .. H - 1) foreach (y; 1 .. W - 1) { if (A[x][y] == '.' && !on[x][y]) { if (dist[TX][TY] == dist[x][y] + distT[x][y]) { good = true; } } } ans = 2 * dist[TX][TY] + (good ? 0 : 2); } else { ans = -1; } } else { ans = -1; } writeln(ans); } } catch (EOFException e) { } }