結果
問題 | No.340 雪の足跡 |
ユーザー | uafr_cs |
提出日時 | 2016-02-08 21:33:41 |
言語 | Java21 (openjdk 21) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,020 bytes |
コンパイル時間 | 2,366 ms |
コンパイル使用メモリ | 79,788 KB |
実行使用メモリ | 45,460 KB |
最終ジャッジ日時 | 2024-09-21 21:50:16 |
合計ジャッジ時間 | 6,898 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 | 53 ms
37,312 KB |
testcase_01 | AC | 56 ms
37,572 KB |
testcase_02 | AC | 54 ms
37,368 KB |
testcase_03 | AC | 52 ms
36,932 KB |
testcase_04 | AC | 54 ms
37,268 KB |
testcase_05 | AC | 54 ms
37,284 KB |
testcase_06 | AC | 54 ms
37,220 KB |
testcase_07 | AC | 52 ms
37,168 KB |
testcase_08 | AC | 53 ms
37,064 KB |
testcase_09 | AC | 53 ms
36,932 KB |
testcase_10 | AC | 53 ms
37,408 KB |
testcase_11 | AC | 158 ms
43,160 KB |
testcase_12 | AC | 134 ms
43,348 KB |
testcase_13 | AC | 185 ms
45,460 KB |
testcase_14 | TLE | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
ソースコード
import java.io.BufferedReader; import java.io.Closeable; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.Arrays; import java.util.HashSet; import java.util.LinkedList; import java.util.Scanner; import java.util.Set; import java.util.StringTokenizer; public class Main { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); final int W = sc.nextInt(); final int H = sc.nextInt(); final int N = sc.nextInt(); ArrayList<HashSet<Integer>> adj = new ArrayList<HashSet<Integer>>(); for(int i = 0; i < W * H; i++){ adj.add(new HashSet<Integer>()); } for(int i = 0; i < N; i++){ final int M = sc.nextInt(); int prev = sc.nextInt(); int prev_y = prev / W; int prev_x = prev % W; for(int j = 0; j < M; j++){ final int cur = sc.nextInt(); final int cur_y = cur / W; final int cur_x = cur % W; if(prev_y == cur_y){ final int y = cur_y; final int min_x = Math.min(prev_x, cur_x); final int max_x = Math.max(prev_x, cur_x); for(int p_x = min_x, c_x = min_x + 1; c_x <= max_x; p_x = c_x, c_x++){ adj.get(y * W + p_x).add(y * W + c_x); adj.get(y * W + c_x).add(y * W + p_x); } }else{ final int x = cur_x; final int min_y = Math.min(prev_y, cur_y); final int max_y = Math.max(prev_y, cur_y); for(int p_y = min_y, c_y = min_y + 1; c_y <= max_y; p_y = c_y, c_y++){ adj.get(c_y * W + x).add(p_y * W + x); adj.get(p_y * W + x).add(c_y * W + x); } } prev = cur; prev_x = cur_x; prev_y = cur_y; } } LinkedList<Integer> queue = new LinkedList<Integer>(); int[] costs = new int[H * W]; Arrays.fill(costs, Integer.MAX_VALUE); queue.add(0); costs[0] = 0; while(!queue.isEmpty()){ final int pos = queue.poll(); if(pos == (W * H - 1)){ System.out.println(costs[pos]); return; } for(final int next : adj.get(pos)){ final int next_cost = costs[pos] + 1; if(costs[next] > next_cost){ costs[next] = next_cost; queue.add(next); } } } System.out.println("Odekakedekinai.."); } public static class Scanner implements Closeable { private BufferedReader br; private StringTokenizer tok; public Scanner(InputStream is) throws IOException { br = new BufferedReader(new InputStreamReader(is)); } private void getLine() throws IOException { while (!hasNext()) { tok = new StringTokenizer(br.readLine()); } } private boolean hasNext() { return tok != null && tok.hasMoreTokens(); } public String next() throws IOException { getLine(); return tok.nextToken(); } public int nextInt() throws IOException { return Integer.parseInt(next()); } public long nextLong() throws IOException { return Long.parseLong(next()); } public void close() throws IOException { br.close(); } } }