結果
| 問題 |
No.704 ゴミ拾い Medium
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2018-06-16 17:59:19 |
| 言語 | Java (openjdk 23) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,601 bytes |
| コンパイル時間 | 2,406 ms |
| コンパイル使用メモリ | 78,424 KB |
| 実行使用メモリ | 63,300 KB |
| 最終ジャッジ日時 | 2024-06-30 16:19:22 |
| 合計ジャッジ時間 | 11,989 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 * 4 |
| other | AC * 13 WA * 31 |
ソースコード
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.NoSuchElementException;
public class Main {
public static void main(String[] args) {
new Main().run();
}
class SegTree {
int n;
long[] val;
public SegTree(int n_) {
n = 1;
while (n < n_)
n *= 2;
val = new long[2 * n - 1];
Arrays.fill(val, Long.MAX_VALUE / 3);
}
void setVal(int k, long v) {
k += n - 1;
val[k] = v;
while (k > 0) {
k = (k - 1) / 2;
val[k] = Math.min(val[2 * k + 1], val[2 * k + 2]);
}
}
void addVal(int k, long v) {
k += n - 1;
val[k] += v;
while (k > 0) {
k = (k - 1) / 2;
val[k] = Math.min(val[2 * k + 1], val[2 * k + 2]);
}
}
long query(int a, int b, int l, int r, int k) {
if (l <= a && b <= r) {
return val[k];
} else if (r <= a || b <= l) {
return Long.MAX_VALUE / 3;
} else {
return Math.min(query(a, b, l, (l + r) / 2, 2 * k + 1), query(a, b, (l + r) / 2, r, 2 * k + 2));
}
}
long query(int a, int b) {
return query(a, b, 0, n, 0);
}
}
public void run() {
Scanner sc = new Scanner();
int n = sc.nextInt();
int[] a = new int[n];
int[] x = new int[n];
int[] y = new int[n];
for (int i = 0; i < n; ++i)
a[i] = sc.nextInt();
for (int i = 0; i < n; ++i)
x[i] = sc.nextInt();
for (int i = 0; i < n; ++i)
y[i] = sc.nextInt();
long[] d = new long[n];
Arrays.fill(d, Long.MAX_VALUE / 3);
SegTree plus = new SegTree((int) 1e5 + 1);
SegTree minus = new SegTree((int) 1e5 + 1);
for (int i = 0; i < n; ++i) {
plus.setVal(x[i], (i > 0 ? d[i - 1] : 0) - x[i] + y[i]);
minus.setVal(x[i], (i > 0 ? d[i - 1] : 0) + x[i] + y[i]);
d[i] = Math.min(d[i], plus.query(0, a[i]) + a[i]);
d[i] = Math.max(d[i], minus.query(a[i], (int) 1e5) - a[i]);
}
System.out.println(d[n - 1]);
}
void tr(Object... objects) {
System.out.println(Arrays.deepToString(objects));
}
class Scanner {
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 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();
}
}
}