結果
| 問題 |
No.602 隠されていたゲーム2
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-12-02 18:25:05 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,189 bytes |
| コンパイル時間 | 2,676 ms |
| コンパイル使用メモリ | 79,348 KB |
| 実行使用メモリ | 41,372 KB |
| 最終ジャッジ日時 | 2024-11-28 03:39:46 |
| 合計ジャッジ時間 | 5,155 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 14 WA * 7 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.stream.*;
import static java.lang.Math.*;
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; }
ptr = 0;
try {
buflen = in.read(buffer);
} catch(IOException ex) {
ex.printStackTrace();
}
if(buflen <= 0) { return false; }
return true;
}
private int readByte() { if(hasNextByte()) { return buffer[ptr++]; } 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() {
if(!hasNext()) { throw new NoSuchElementException(); }
int 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 class Main {
private long[] d;
private int n;
private long x, y;
// [lo, hi)
boolean exist(long x, int lo, int hi) {
int pos = Arrays.binarySearch(d, lo, hi, x);
return pos >= 0 && d[pos] == x;
}
int f(long x, long y) {
if(x == 0 && y == 0) { return 0; }
long dist = abs(x) + abs(y);
if(exist(dist, 0, n)) { return 1; }
for(int i=0; i<n; ++i) {
long left = dist - d[i];
long aleft = abs(left);
if(exist(aleft, 0, i)) { return 2; }
if(exist(aleft, i+1, n)) { return 2; }
}
return -1;
}
private void solve() {
FastScanner sc = new FastScanner();
n = sc.nextInt();
d = new long[n];
for(int i=0; i<n; ++i) {
d[i] = sc.nextLong();
}
Arrays.sort(d);
long x = sc.nextLong(),
y = sc.nextLong();
int res = f(x, y);
System.out.println(res);
}
public static void main(String[] args) {
new Main().solve();
}
}