結果
問題 | No.1884 Sequence |
ユーザー |
|
提出日時 | 2022-03-25 21:53:27 |
言語 | Java (openjdk 23) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,317 bytes |
コンパイル時間 | 2,475 ms |
コンパイル使用メモリ | 79,736 KB |
実行使用メモリ | 61,808 KB |
最終ジャッジ日時 | 2024-10-14 05:49:33 |
合計ジャッジ時間 | 12,894 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 38 WA * 2 |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.NoSuchElementException; public class Main implements Runnable { public static void main(String[] args) { new Main().run(); } public void run() { solve(); } void solve() { FastScanner sc=new FastScanner(); PrintWriter pw=new PrintWriter(System.out); int zero=0; int N=sc.nextInt(); long[] A=new long[N]; ArrayList<Long> list=new ArrayList<>(); for (int i=0;i<N;++i) { A[i]=sc.nextLong(); if (A[i]==0) ++zero; else { list.add(A[i]); } } if (list.size() <= 2) { System.out.println("Yes"); return; } Collections.sort(list); long d=Long.MAX_VALUE; for (int i=0;i+1<list.size();++i) { long d2=list.get(i+1)-list.get(i); d=Math.min(d, d2); } int need=0; for (int i=0;i+1<list.size();++i) { long d2=list.get(i+1)-list.get(i); if (d==0&&d2==0) continue; if (d2==0&&d!=0) { System.out.println("No"); return; } if ((d==0&&d2!=0)||d2%d!=0) { System.out.println("No"); return; } if (d!=0) { need+=d2/d-1; } } System.out.println(need<=zero?"Yes":"No"); pw.close(); } static void tr(Object...objects) { System.out.println(Arrays.deepToString(objects)); } } 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(); } } public int nextInt() { return (int)nextLong(); } }