結果
問題 | No.340 雪の足跡 |
ユーザー |
👑 |
提出日時 | 2019-01-30 02:14:01 |
言語 | D (dmd 2.109.1) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 3,227 bytes |
コンパイル時間 | 1,242 ms |
コンパイル使用メモリ | 121,116 KB |
実行使用メモリ | 48,540 KB |
最終ジャッジ日時 | 2024-06-13 03:51:31 |
合計ジャッジ時間 | 13,892 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 5 |
other | AC * 31 TLE * 1 |
ソースコード
import std.conv, std.functional, std.stdio, std.string;import std.algorithm, std.array, std.bigint, std.container, std.math, std.numeric, std.range, 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 H, W, N;int[] M;int[][] B;void main() {try {for (; ; ) {W = readInt();H = readInt();N = readInt();M = new int[N];B = new int[][N];foreach (i; 0 .. N) {M[i] = readInt();B[i] = new int[M[i] + 1];foreach (j; 0 .. M[i] + 1) {B[i][j] = readInt();}}auto road = new int[][](H * 2, W * 2);foreach (i; 0 .. N) {foreach (j; 0 .. M[i]) {int xa = B[i][j] / W;int ya = B[i][j] % W;int xb = B[i][j + 1] / W;int yb = B[i][j + 1] % W;if (xa > xb) {swap(xa, xb);}if (ya > yb) {swap(ya, yb);}++road[xa * 2][ya * 2];--road[xa * 2][yb * 2 + 1];--road[xb * 2 + 1][ya * 2];++road[xb * 2 + 1][yb * 2 + 1];}}foreach (x; 1 .. H * 2) foreach (y; 0 .. W * 2) {road[x][y] += road[x - 1][y];}foreach (x; 0 .. H * 2) foreach (y; 1 .. W * 2) {road[x][y] += road[x][y - 1];}debug {foreach_reverse (x; 0 .. H * 2) {writeln(road[x]);}}int[] q;auto dist = new int[][](H, W);foreach (x; 0 .. H) foreach (y; 0 .. W) {dist[x][y] = -1;}dist[0][0] = 0;q ~= 0;q ~= 0;for (; !q.empty; ) {const x = q.front; q.popFront;const y = q.front; q.popFront;foreach (dir; 0 .. 4) {const xx = x + [+1, 0, -1, 0][dir];const yy = y + [0, +1, 0, -1][dir];if (0 <= xx && xx < H && 0 <= yy && yy < W) {if (road[x + xx][y + yy] > 0) {if (dist[xx][yy] == -1) {dist[xx][yy] = dist[x][y] + 1;q ~= xx;q ~= yy;}}}}}if (dist[H - 1][W - 1] == -1) {writeln("Odekakedekinai..");} else {writeln(dist[H - 1][W - 1]);}}} catch (EOFException e) {}}