結果
| 問題 |
No.1884 Sequence
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2022-03-25 21:49:39 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,248 bytes |
| コンパイル時間 | 2,481 ms |
| コンパイル使用メモリ | 79,840 KB |
| 実行使用メモリ | 61,936 KB |
| 最終ジャッジ日時 | 2024-10-14 05:45:46 |
| 合計ジャッジ時間 | 12,959 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 ((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();
}
}