結果
問題 | No.762 PDCAパス |
ユーザー | tenten |
提出日時 | 2023-08-01 11:45:18 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 304 ms / 2,000 ms |
コード長 | 3,078 bytes |
コンパイル時間 | 2,386 ms |
コンパイル使用メモリ | 92,160 KB |
実行使用メモリ | 63,432 KB |
最終ジャッジ日時 | 2024-04-19 11:21:35 |
合計ジャッジ時間 | 10,508 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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 | 49 ms
50,392 KB |
testcase_01 | AC | 49 ms
50,472 KB |
testcase_02 | AC | 48 ms
50,152 KB |
testcase_03 | AC | 46 ms
50,260 KB |
testcase_04 | AC | 45 ms
50,392 KB |
testcase_05 | AC | 46 ms
50,424 KB |
testcase_06 | AC | 46 ms
50,380 KB |
testcase_07 | AC | 45 ms
50,472 KB |
testcase_08 | AC | 45 ms
50,388 KB |
testcase_09 | AC | 46 ms
50,424 KB |
testcase_10 | AC | 44 ms
50,400 KB |
testcase_11 | AC | 48 ms
50,416 KB |
testcase_12 | AC | 47 ms
50,104 KB |
testcase_13 | AC | 49 ms
50,668 KB |
testcase_14 | AC | 45 ms
50,160 KB |
testcase_15 | AC | 47 ms
50,392 KB |
testcase_16 | AC | 47 ms
50,512 KB |
testcase_17 | AC | 46 ms
50,516 KB |
testcase_18 | AC | 48 ms
50,524 KB |
testcase_19 | AC | 50 ms
50,688 KB |
testcase_20 | AC | 47 ms
50,336 KB |
testcase_21 | AC | 47 ms
50,536 KB |
testcase_22 | AC | 219 ms
58,772 KB |
testcase_23 | AC | 228 ms
57,180 KB |
testcase_24 | AC | 298 ms
63,432 KB |
testcase_25 | AC | 302 ms
63,376 KB |
testcase_26 | AC | 226 ms
57,444 KB |
testcase_27 | AC | 248 ms
58,548 KB |
testcase_28 | AC | 304 ms
62,152 KB |
testcase_29 | AC | 301 ms
62,128 KB |
testcase_30 | AC | 292 ms
61,952 KB |
testcase_31 | AC | 292 ms
61,672 KB |
testcase_32 | AC | 276 ms
61,932 KB |
testcase_33 | AC | 279 ms
60,052 KB |
testcase_34 | AC | 280 ms
59,940 KB |
testcase_35 | AC | 275 ms
59,680 KB |
testcase_36 | AC | 264 ms
59,368 KB |
testcase_37 | AC | 273 ms
59,516 KB |
testcase_38 | AC | 269 ms
59,464 KB |
testcase_39 | AC | 269 ms
58,984 KB |
testcase_40 | AC | 269 ms
59,576 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { static final int MOD = 1000000007; public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int m = sc.nextInt(); char[] chars = sc.next().toCharArray(); long[] counts = new long[n]; HashMap<Integer, ArrayList<Integer>> paths = new HashMap<>(); for (int i = 0; i < m; i++) { int a = sc.nextInt() - 1; int b = sc.nextInt() - 1; if (chars[a] == 'D') { if (chars[b] == 'P') { counts[a]++; } else if (chars[b] == 'C') { if (!paths.containsKey(a)) { paths.put(a, new ArrayList<>()); } paths.get(a).add(b); } } else if (chars[a] == 'C') { if (chars[b] == 'A') { counts[a]++; } } if (chars[b] == 'D') { if (chars[a] == 'P') { counts[b]++; } else if (chars[a] == 'C') { if (!paths.containsKey(b)) { paths.put(b, new ArrayList<>()); } paths.get(b).add(a); } } else if (chars[b] == 'C') { if (chars[a] == 'A') { counts[b]++; } } } long ans = 0; for (int x : paths.keySet()) { if (counts[x] == 0) { continue; } for (int y : paths.get(x)) { ans += counts[x] * counts[y] % MOD; ans %= MOD; } } System.out.println(ans); } } 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(); } }