結果
問題 | No.1285 ゴミ捨て |
ユーザー | 37zigen |
提出日時 | 2020-11-13 23:22:59 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 261 ms / 2,000 ms |
コード長 | 4,751 bytes |
コンパイル時間 | 2,630 ms |
コンパイル使用メモリ | 82,828 KB |
実行使用メモリ | 51,880 KB |
最終ジャッジ日時 | 2024-05-06 14:34:09 |
合計ジャッジ時間 | 7,006 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 52 ms
37,240 KB |
testcase_01 | AC | 52 ms
37,120 KB |
testcase_02 | AC | 54 ms
37,140 KB |
testcase_03 | AC | 52 ms
37,236 KB |
testcase_04 | AC | 53 ms
37,240 KB |
testcase_05 | AC | 54 ms
37,120 KB |
testcase_06 | AC | 53 ms
36,944 KB |
testcase_07 | AC | 248 ms
49,804 KB |
testcase_08 | AC | 69 ms
38,376 KB |
testcase_09 | AC | 177 ms
45,884 KB |
testcase_10 | AC | 226 ms
49,876 KB |
testcase_11 | AC | 216 ms
49,908 KB |
testcase_12 | AC | 192 ms
46,564 KB |
testcase_13 | AC | 199 ms
45,996 KB |
testcase_14 | AC | 234 ms
50,348 KB |
testcase_15 | AC | 203 ms
46,544 KB |
testcase_16 | AC | 118 ms
40,688 KB |
testcase_17 | AC | 124 ms
41,108 KB |
testcase_18 | AC | 129 ms
40,860 KB |
testcase_19 | AC | 165 ms
46,584 KB |
testcase_20 | AC | 130 ms
41,000 KB |
testcase_21 | AC | 139 ms
41,492 KB |
testcase_22 | AC | 257 ms
51,472 KB |
testcase_23 | AC | 261 ms
51,880 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.Arrays; import java.util.HashMap; import java.util.NoSuchElementException; class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return minus ? -n : n; }else{ throw new NumberFormatException(); } b = readByte(); } } int nextInt() { return (int)nextLong(); } } class PersistentStack { PersistentStack next=null; int val; public PersistentStack(int val, PersistentStack next) { this.val=val; this.next=next; } public PersistentStack() { } int peek() { return val; } PersistentStack pop() { if (next!=null) next=next.eval(); return next; } static PersistentStack push(PersistentStack x, int v) { return new PersistentStack(v, x); } static PersistentStack concat(PersistentStack x, PersistentStack y) { if (x==null) return y.eval(); else return new PersistentStack(x.val, new PersistentStack() { @Override PersistentStack eval() { return PersistentStack.concat(x.pop(), y); } }); } static PersistentStack reverse(PersistentStack head) { return new PersistentStack () { @Override PersistentStack eval() { PersistentStack ret=null; for (PersistentStack x=head;x!=null;x=x.pop()) { ret=PersistentStack.push(ret, x.peek()); } return ret; } }; } PersistentStack eval() { return this; } } class PersistentQueue { int front_size=0; int back_size=0; PersistentStack front=null; PersistentStack back=null; public PersistentQueue(PersistentStack front, int front_size, PersistentStack back, int back_size) { this.front_size=front_size; this.back_size=back_size; this.front=front; this.back=back; } public PersistentQueue() { } boolean isEmpty() { return front_size==0; } int peek() { return front.peek(); } PersistentQueue push(int x) { return new PersistentQueue(front, front_size, PersistentStack.push(back, x), back_size+1).normalize(); } PersistentQueue pop() { return new PersistentQueue(front.pop(), front_size-1, back, back_size).normalize(); } PersistentQueue normalize() { if (front_size >= back_size) return this; else { return new PersistentQueue(PersistentStack.concat(front, PersistentStack.reverse(back)), front_size+back_size, null, 0); } } } public class Main { long pow(long a,long n,long p) { return n!=0?pow(a*a%p,n/2,p)*(n%2==1?a:1)%p:1; } public void run() { FastScanner sc=new FastScanner(); int N=sc.nextInt(); int[] A=new int[N]; for (int i=0;i<N;++i) { A[i]=sc.nextInt(); } Arrays.sort(A); HashMap<Integer,Integer> map=new HashMap<>(); for (int i=0;i<N;++i) { map.merge(A[i], 1, Integer::sum); } int ans=0; for (int i=0;i<N;++i) { ans=Math.max(ans, map.get(A[i])+map.getOrDefault(A[i]+1, 0)); } System.out.println(ans); } static void tr(Object...objects) {System.out.println(Arrays.deepToString(objects));} public static void main(String[] args) { new Main().run(); } }