結果
問題 | No.2291 Union Find Estimate |
ユーザー | tenten |
提出日時 | 2023-05-08 10:03:38 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 256 ms / 2,000 ms |
コード長 | 4,223 bytes |
コンパイル時間 | 2,761 ms |
コンパイル使用メモリ | 91,700 KB |
実行使用メモリ | 58,992 KB |
最終ジャッジ日時 | 2024-05-03 23:07:56 |
合計ジャッジ時間 | 6,496 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | 51 ms
50,544 KB |
testcase_01 | AC | 52 ms
50,388 KB |
testcase_02 | AC | 256 ms
58,992 KB |
testcase_03 | AC | 150 ms
54,376 KB |
testcase_04 | AC | 132 ms
52,428 KB |
testcase_05 | AC | 144 ms
52,660 KB |
testcase_06 | AC | 112 ms
52,384 KB |
testcase_07 | AC | 104 ms
51,868 KB |
testcase_08 | AC | 117 ms
52,324 KB |
testcase_09 | AC | 122 ms
52,560 KB |
testcase_10 | AC | 140 ms
55,196 KB |
testcase_11 | AC | 155 ms
55,644 KB |
testcase_12 | AC | 165 ms
55,616 KB |
testcase_13 | AC | 114 ms
52,444 KB |
testcase_14 | AC | 154 ms
53,180 KB |
testcase_15 | AC | 147 ms
54,356 KB |
testcase_16 | AC | 141 ms
52,436 KB |
testcase_17 | AC | 118 ms
52,580 KB |
testcase_18 | AC | 106 ms
52,544 KB |
testcase_19 | AC | 143 ms
54,944 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { static final int MOD = 998244353; public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int q = sc.nextInt(); UnionFindTree uft = new UnionFindTree(n); StringBuilder sb = new StringBuilder(); while(q-- > 0) { HashMap<Character, Integer> sames = new HashMap<>(); char[] inputs = sc.next().toCharArray(); for (int i = 0; i < n; i++) { if (inputs[i] >= '0' && inputs[i] <= '9') { uft.setNum(i, inputs[i] - '0'); } else if (inputs[i] == '?') { continue; } else { if (sames.containsKey(inputs[i])) { uft.unite(sames.get(inputs[i]), i); } else { sames.put(inputs[i], i); } } } sb.append(uft.sum).append("\n"); } System.out.print(sb); } static class UnionFindTree { int[] parents; int[] nums; long sum; static long BASE = pow(10, MOD - 2); public UnionFindTree(int size) { parents = new int[size]; nums = new int[size]; for (int i = 0; i < size; i++) { parents[i] = i; nums[i] = -1; } sum = pow(10, size); } public int find(int x) { if (x == parents[x]) { return x; } else { return parents[x] = find(parents[x]); } } public boolean same(int x, int y) { return find(x) == find(y); } public void unite(int x, int y) { int xx = find(x); int yy = find(y); if (xx == yy) { return; } if (nums[xx] == -1) { parents[xx] = yy; sum *= BASE; sum %= MOD; } else if (nums[yy] == -1) { parents[yy] = xx; sum *= BASE; sum %= MOD; } else { parents[yy] = xx; if (nums[xx] != nums[yy]) { sum = 0; } } } public void setNum(int x, int v) { int idx = find(x); if (nums[idx] == -1) { nums[idx] = v; sum *= BASE; sum %= MOD; } else if (nums[idx] != v) { sum = 0; } } } static long pow(long x, int p) { if (p == 0) { return 1; } else if (p % 2 == 0) { return pow(x * x % MOD, p / 2); } else { return pow(x, p - 1) * x % MOD; } } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }