結果
| 問題 |
No.366 ロボットソート
|
| コンテスト | |
| ユーザー |
MoominPaz
|
| 提出日時 | 2016-05-15 16:56:31 |
| 言語 | Java (openjdk 23) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 4,015 bytes |
| コンパイル時間 | 2,074 ms |
| コンパイル使用メモリ | 77,748 KB |
| 実行使用メモリ | 52,264 KB |
| 最終ジャッジ日時 | 2024-10-06 03:26:01 |
| 合計ジャッジ時間 | 3,800 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 9 WA * 7 RE * 7 |
ソースコード
import java.io.IOException;
import java.io.InputStream;
import java.util.NoSuchElementException;
public class Main {
FastScanner fs = new FastScanner();
public static void main(String[] args) {
new Main().solve();
}
void solve() {
int N = fs.nextInt();
int Width = fs.nextInt();
int[] a = new int[N];
int Count = 0;
for(int i = 0; i < N; i++) {
a[i] = fs.nextInt();
}
if(a.length == 1) {
System.out.println(0);
return;
}
int i = 0;
int loopCount = 0;
if((i + Width) < N) {
while (true) {
if (a[i] > a[i + Width]) {
int Temp = a[i + Width];
a[i + Width] = a[i];
a[i] = Temp;
Count++;
loopCount++;
}
i++;
if (loopCount == 0) {
break;
}
if (i == (a.length - Width)) {
i = 0;
loopCount = 0;
}
}
}
for(int j = 0; j < N; j++) {
if(a[j] > a[j + 1]) {
System.out.println(-1);
return;
}
}
System.out.println(Count);
}
}
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() {
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();
}
}
}
MoominPaz