結果
問題 | No.74 貯金箱の退屈 |
ユーザー | fujisu |
提出日時 | 2015-05-13 21:51:16 |
言語 | Java21 (openjdk 21) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,091 bytes |
コンパイル時間 | 1,826 ms |
コンパイル使用メモリ | 78,268 KB |
実行使用メモリ | 37,244 KB |
最終ジャッジ日時 | 2024-07-06 03:31:34 |
合計ジャッジ時間 | 4,290 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 40 ms
36,760 KB |
testcase_01 | AC | 40 ms
36,788 KB |
testcase_02 | AC | 41 ms
36,684 KB |
testcase_03 | RE | - |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | RE | - |
testcase_07 | RE | - |
testcase_08 | RE | - |
testcase_09 | RE | - |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | RE | - |
testcase_32 | RE | - |
ソースコード
import java.io.IOException; import java.util.InputMismatchException; public class Main { int n; int[] par, cnt, flg; void union(int x, int y) { int rx = find(x); int ry = find(y); par[rx] = ry; cnt[ry] += cnt[rx]; flg[ry] += flg[rx]; } int find(int x) { if (par[x] == x) return x; return par[x] = find(par[x]); } boolean same(int x, int y) { return find(x) == find(y); } void run() { MyScanner sc = new MyScanner(); int n = sc.nextInt(); int[] d = sc.nextIntArray(n); int[] w = sc.nextIntArray(n); par = new int[n]; cnt = new int[n]; flg = new int[n]; for (int i = 0; i < n; i++) { if (w[i] == 0) { cnt[i] = 1; } par[i] = i; } for (int i = 0; i < n; i++) { int x = (i - d[i] + n) % n; int y = (i + d[i]) % n; if (x == y) { flg[x] = 1; } } for (int i = 0; i < n; i++) { int x = (i - d[i] + n) % n; int y = (i + d[i]) % n; if (!same(x, y)) { union(x, y); } } for (int i = 0; i < n; i++) { if (flg[find(i)] == 0 && cnt[find(i)] % 2 != 0) { System.out.println("No"); return; } } System.out.println("Yes"); } public static void main(String[] args) { new Main().run(); } public void mapDebug(int[][] a) { System.out.println("--------map display---------"); for (int i = 0; i < a.length; i++) { for (int j = 0; j < a[i].length; j++) { System.out.printf("%3d ", a[i][j]); } System.out.println(); } System.out.println("----------------------------" + '\n'); } class MyScanner { int read() { try { return System.in.read(); } catch (IOException e) { throw new InputMismatchException(); } } boolean isSpaceChar(int c) { return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1; } boolean isEndline(int c) { return c == '\n' || c == '\r' || c == -1; } int nextInt() { return Integer.parseInt(next()); } int[] nextIntArray(int n) { int[] array = new int[n]; for (int i = 0; i < n; i++) array[i] = nextInt(); return array; } long nextLong() { return Long.parseLong(next()); } long[] nextLongArray(int n) { long[] array = new long[n]; for (int i = 0; i < n; i++) array[i] = nextLong(); return array; } double nextDouble() { return Double.parseDouble(next()); } double[] nextDoubleArray(int n) { double[] array = new double[n]; for (int i = 0; i < n; i++) array[i] = nextDouble(); return array; } String next() { int c = read(); while (isSpaceChar(c)) c = read(); StringBuilder res = new StringBuilder(); do { res.appendCodePoint(c); c = read(); } while (!isSpaceChar(c)); return res.toString(); } String[] nextStringArray(int n) { String[] array = new String[n]; for (int i = 0; i < n; i++) array[i] = next(); return array; } String nextLine() { int c = read(); while (isEndline(c)) c = read(); StringBuilder res = new StringBuilder(); do { res.appendCodePoint(c); c = read(); } while (!isEndline(c)); return res.toString(); } } }