結果
| 問題 |
No.653 E869120 and Lucky Numbers
|
| コンテスト | |
| ユーザー |
uafr_cs
|
| 提出日時 | 2018-02-23 23:15:54 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 1,111 ms / 2,000 ms |
| コード長 | 2,736 bytes |
| コンパイル時間 | 2,290 ms |
| コンパイル使用メモリ | 78,628 KB |
| 実行使用メモリ | 51,368 KB |
| 最終ジャッジ日時 | 2024-09-13 18:16:24 |
| 合計ジャッジ時間 | 7,132 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 31 |
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.io.PrintWriter;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.StringTokenizer;
public class Main {
public static final long INF = Long.MAX_VALUE / 2 -1;
public static void main(String[] args) throws IOException {
try (Scanner sc = new Scanner(System.in)) {
char[] ins = sc.next().toCharArray();
final int N = ins.length;
int[] nums = new int[N];
for(int i = 0; i < N; i++){
nums[i] = Character.getNumericValue(ins[i]);
}
// same_length
SAME:
while(true){
if(nums[N - 1] != 2 && nums[N - 1] != 3 && nums[N - 1] != 4){ break SAME; }
if(nums[0] != 1){ break SAME; }
for(int i = 1; i < N - 1; i++){
if(nums[i] != 3 && nums[i] != 4 && nums[i] != 5){ break SAME; }
}
System.out.println("Yes"); return;
}
LOOP:
for(int zero_start = N - 2; zero_start >= 0; zero_start--){
if(nums[N - 1] != 2 && nums[N - 1] != 3 && nums[N - 1] != 4){ continue LOOP; }
for(int i = N - 2; i > zero_start; i--){
if(nums[i] != 3 && nums[i] != 4 && nums[i] != 5){ continue LOOP; }
}
if(nums[zero_start] != 7 && nums[zero_start] != 8){ continue LOOP; }
for(int i = zero_start - 1; i >= 0; i--){
if(nums[i] != 6 && nums[i] != 7){ continue LOOP; }
}
System.out.println("Yes"); return;
}
System.out.println("No");
}
}
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 double nextDouble() throws IOException {
return Double.parseDouble(next());
}
public int[] nextIntArray(int n) throws IOException {
final int[] ret = new int[n];
for (int i = 0; i < n; i++) {
ret[i] = this.nextInt();
}
return ret;
}
public long[] nextLongArray(int n) throws IOException {
final long[] ret = new long[n];
for (int i = 0; i < n; i++) {
ret[i] = this.nextLong();
}
return ret;
}
public void close() throws IOException {
br.close();
}
}
}
uafr_cs