結果
| 問題 |
No.74 貯金箱の退屈
|
| コンテスト | |
| ユーザー |
fujisu
|
| 提出日時 | 2015-05-13 21:51:16 |
| 言語 | Java (openjdk 23) |
| 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 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | RE * 30 |
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();
}
}
}
fujisu