結果
問題 | No.867 避難経路 |
ユーザー |
👑 |
提出日時 | 2019-08-16 21:58:23 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 5,481 ms / 6,000 ms |
コード長 | 3,981 bytes |
コンパイル時間 | 1,221 ms |
コンパイル使用メモリ | 141,120 KB |
実行使用メモリ | 150,016 KB |
最終ジャッジ日時 | 2024-06-22 02:15:59 |
合計ジャッジ時間 | 145,621 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 41 |
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.complex, std.container, std.math, 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 INF = 10L^^18;enum L = 260;enum M = 510;int H, W;int GX, GY;long[][] A;int Q;int[] X, Y;long[] K;void main() {try {for (; ; ) {H = readInt();W = readInt();GX = readInt() - 1;GY = readInt() - 1;A = new long[][](H, W);foreach (x; 0 .. H) foreach (y; 0 .. W) {A[x][y] = readLong();}Q = readInt();X = new int[Q];Y = new int[Q];K = new long[Q];foreach (q; 0 .. Q) {X[q] = readInt() - 1;Y[q] = readInt() - 1;K[q] = readLong();}// smallauto dist = new long[][][](L, H, W);foreach (k; 0 .. L) {const k2 = 1L * k * k;alias Node = Tuple!(long, "c", int, "x", int, "y");BinaryHeap!(Array!Node, "a > b") q;foreach (x; 0 .. H) foreach (y; 0 .. W) {dist[k][x][y] = INF;}dist[k][GX][GY] = k2 + A[GX][GY];q.insert(Node(dist[k][GX][GY], GX, GY));for (; !q.empty; ) {const c = q.front.c;const x = q.front.x;const y = q.front.y;q.removeFront;if (dist[k][x][y] == c) {void update(int xx, int yy) {const cc = c + k2 + A[xx][yy];if (chmin(dist[k][xx][yy], cc)) {q.insert(Node(cc, xx, yy));}}if (x + 1 < H) update(x + 1, y);if (y + 1 < W) update(x, y + 1);if (x - 1 >= 0) update(x - 1, y);if (y - 1 >= 0) update(x, y - 1);}}}// largeauto dp = new long[][](H, W);foreach (x; 0 .. H) foreach (y; 0 .. W) {dp[x][y] = INF;}dp[GX][GY] = A[GX][GY];foreach (x; GX .. H) foreach (y; GY .. W) {if (x > GX) chmin(dp[x][y], dp[x - 1][y] + A[x][y]);if (y > GY) chmin(dp[x][y], dp[x][y - 1] + A[x][y]);}foreach (x; GX .. H) foreach_reverse (y; 0 .. GY + 1) {if (x > GX) chmin(dp[x][y], dp[x - 1][y] + A[x][y]);if (y < GY) chmin(dp[x][y], dp[x][y + 1] + A[x][y]);}foreach_reverse (x; 0 .. GX + 1) foreach (y; GY .. W) {if (x < GX) chmin(dp[x][y], dp[x + 1][y] + A[x][y]);if (y > GY) chmin(dp[x][y], dp[x][y - 1] + A[x][y]);}foreach_reverse (x; 0 .. GX + 1) foreach_reverse (y; 0 .. GY + 1) {if (x < GX) chmin(dp[x][y], dp[x + 1][y] + A[x][y]);if (y < GY) chmin(dp[x][y], dp[x][y + 1] + A[x][y]);}foreach (q; 0 .. Q) {long ans;if (K[q] < L) {ans = dist[cast(int)(K[q])][X[q]][Y[q]];} else {ans = 1L * K[q] * K[q] * (1 + abs(X[q] - GX) + abs(Y[q] - GY)) + dp[X[q]][Y[q]];}writeln(ans);}}} catch (EOFException e) {}}