結果
問題 |
No.653 E869120 and Lucky Numbers
|
ユーザー |
![]() |
提出日時 | 2018-02-23 22:48:27 |
言語 | Java (openjdk 23) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,515 bytes |
コンパイル時間 | 2,223 ms |
コンパイル使用メモリ | 78,604 KB |
実行使用メモリ | 50,716 KB |
最終ジャッジ日時 | 2024-10-09 20:14:08 |
合計ジャッジ時間 | 5,237 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 25 WA * 6 |
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(); int[] nums = new int[ins.length]; for(int i = 0; i < ins.length; i++){ nums[i] = Character.getNumericValue(ins[i]); } for(int i = nums.length - 1; i >= 0; i--){ if(nums[i] == 2){ // 6 -> 6 if(i != 0){nums[i - 1]--; } else{ System.out.println("No"); return; } }else if(nums[i] == 3){ // 6 -> 7, 7 -> 6 if(i != 0){nums[i - 1]--; } else{ System.out.println("No"); return; } }else if(nums[i] == 4){ // 7 -> 7 if(i != 0){nums[i - 1]--; } else{ System.out.println("No"); return; } }else if(nums[i] == 0){ if(i == 0){ break; } else{ System.out.println("No"); return; } }else{ System.out.println("No"); return; } //System.out.println(Arrays.toString(nums)); } System.out.println("Yes"); } } 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(); } } }