結果
問題 | No.1868 Teleporting Cyanmond |
ユーザー | watarimaycry2 |
提出日時 | 2022-03-19 17:42:34 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 247 ms / 2,000 ms |
コード長 | 4,202 bytes |
コンパイル時間 | 3,334 ms |
コンパイル使用メモリ | 81,192 KB |
実行使用メモリ | 52,316 KB |
最終ジャッジ日時 | 2024-04-15 07:16:46 |
合計ジャッジ時間 | 8,825 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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 | 53 ms
50,156 KB |
testcase_01 | AC | 54 ms
37,424 KB |
testcase_02 | AC | 54 ms
37,360 KB |
testcase_03 | AC | 211 ms
49,780 KB |
testcase_04 | AC | 199 ms
49,932 KB |
testcase_05 | AC | 88 ms
38,328 KB |
testcase_06 | AC | 118 ms
40,944 KB |
testcase_07 | AC | 165 ms
45,700 KB |
testcase_08 | AC | 139 ms
42,352 KB |
testcase_09 | AC | 155 ms
45,768 KB |
testcase_10 | AC | 199 ms
49,268 KB |
testcase_11 | AC | 61 ms
37,328 KB |
testcase_12 | AC | 113 ms
42,252 KB |
testcase_13 | AC | 166 ms
45,740 KB |
testcase_14 | AC | 233 ms
52,064 KB |
testcase_15 | AC | 195 ms
45,740 KB |
testcase_16 | AC | 108 ms
39,976 KB |
testcase_17 | AC | 129 ms
41,448 KB |
testcase_18 | AC | 247 ms
52,012 KB |
testcase_19 | AC | 247 ms
52,092 KB |
testcase_20 | AC | 242 ms
52,172 KB |
testcase_21 | AC | 214 ms
52,148 KB |
testcase_22 | AC | 239 ms
52,076 KB |
testcase_23 | AC | 226 ms
52,152 KB |
testcase_24 | AC | 245 ms
52,036 KB |
testcase_25 | AC | 240 ms
52,316 KB |
testcase_26 | AC | 235 ms
52,228 KB |
testcase_27 | AC | 238 ms
52,308 KB |
ソースコード
import java.util.*; import java.io.*; import java.math.*; public class Main{ //見なくていいよ ここから------------------------------------------ static class InputIterator{ ArrayList<String> inputLine = new ArrayList<>(1024); int index = 0; int max; String read; InputIterator(){ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); try{ while((read = br.readLine()) != null){ inputLine.addAll(Arrays.asList(read.split(" "))); } }catch(IOException e){} max = inputLine.size(); } boolean hasNext(){return (index < max);} String next(){ if(hasNext()){ return inputLine.get(index++); }else{ throw new IndexOutOfBoundsException("There is no more input"); } } } static HashMap<Integer, String> CONVSTR = new HashMap<>(); static InputIterator ii = new InputIterator();//This class cannot be used in reactive problem. static PrintWriter out = new PrintWriter(System.out); static void flush(){out.flush();} static void myout(Object t){out.println(t);} static void myerr(Object t){System.err.print("debug:");System.err.println(t);} static String next(){return ii.next();} static boolean hasNext(){return ii.hasNext();} static int nextInt(){return Integer.parseInt(next());} static long nextLong(){return Long.parseLong(next());} static double nextDouble(){return Double.parseDouble(next());} static ArrayList<String> nextCharArray(){return myconv(next(), 0);} static ArrayList<String> nextStrArray(int size){ ArrayList<String> ret = new ArrayList<>(size); for(int i = 0; i < size; i++){ ret.add(next()); } return ret; } static ArrayList<Integer> nextIntArray(int size){ ArrayList<Integer> ret = new ArrayList<>(size); for(int i = 0; i < size; i++){ ret.add(Integer.parseInt(next())); } return ret; } static ArrayList<Long> nextLongArray(int size){ ArrayList<Long> ret = new ArrayList<>(size); for(int i = 0; i < size; i++){ ret.add(Long.parseLong(next())); } return ret; } @SuppressWarnings("unchecked") static String myconv(Object list, int no){//only join StringBuilder sb = new StringBuilder(""); String joinString = CONVSTR.get(no); if(list instanceof String[]){ return String.join(joinString, (String[])list); }else if(list instanceof long[]){ long[] tmp = (long[])list; if(tmp.length == 0){ return ""; } sb.append(String.valueOf(tmp[0])); for(int i = 1; i < tmp.length; i++){ sb.append(joinString).append(String.valueOf(tmp[i])); } return sb.toString(); }else if(list instanceof int[]){ int[] tmp = (int[])list; if(tmp.length == 0){ return ""; } sb.append(String.valueOf(tmp[0])); for(int i = 1; i < tmp.length; i++){ sb.append(joinString).append(String.valueOf(tmp[i])); } return sb.toString(); }else if(list instanceof ArrayList){ ArrayList tmp = (ArrayList)list; if(tmp.size() == 0){ return ""; } sb.append(tmp.get(0)); for(int i = 1; i < tmp.size(); i++){ sb.append(joinString).append(tmp.get(i)); } return sb.toString(); }else{ throw new ClassCastException("Don't join"); } } static ArrayList<String> myconv(String str, int no){//only split String splitString = CONVSTR.get(no); return new ArrayList<String>(Arrays.asList(str.split(splitString))); } static ArrayList<String> myconv(String str, String no){ return new ArrayList<String>(Arrays.asList(str.split(no))); } public static void main(String[] args){ CONVSTR.put(8, " "); CONVSTR.put(9, "\n"); CONVSTR.put(0, ""); solve();flush(); } //見なくていいよ ここまで------------------------------------------ //このコードをコンパイルするときは、「-encoding UTF-8」を指定すること static void solve(){//ここがメイン関数 int N = nextInt(); ArrayList<Integer> list = nextIntArray(N - 1); int[] output = new int[N]; Arrays.fill(output, -1); output[0] = 0; for(int i = 0; i < N - 1; i++){ int R = list.get(i) - 1; for(int j = R; output[j] == -1; j--){ output[j] = output[i] + 1; } } myout(output[N - 1]); } //メソッド追加エリア ここから //メソッド追加エリア ここまで }