CSES - Datatähti 2017 alku - Results
Submission details
Task:Järjestys
Sender:JesseNiininen
Submission time:2016-10-15 17:29:04 +0300
Language:Java
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED19
#2ACCEPTED37
#3ACCEPTED44
Test results
testverdicttimegroup
#1ACCEPTED0.14 s1details
#2ACCEPTED0.17 s2details
#3ACCEPTED1.31 s3details

Code

import java.util.*;
public class Jarjestys7 {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int n = Integer.parseInt(scanner.nextLine());
String[] stringArray = scanner.nextLine().split(" ");
int[] array = new int[stringArray.length];
for (int i = 0; i < stringArray.length; i++) {
array[i] = Integer.parseInt(stringArray[i]);
}
List<Integer> reversals = insertionSort(array);
System.out.println(reversals.size());
StringBuilder result = new StringBuilder();
for (int i = 0; i < reversals.size(); i++) {
result.append(reversals.get(i));
if (i != reversals.size() - 1) {
result.append(" ");
}
}
System.out.println(result.toString());
}
private static List<Integer> insertionSort(int[] array) {
List<Integer> reversals = new ArrayList<>();
for (int i = 1; i < array.length; i++) {
int index = getIndex(array, i - 1, array[i]);
if (index == i) {
continue;
}
int temp = array[i];
System.arraycopy(array, index, array, index + 1, i - index);
array[index] = temp;
if (index - 1 > 0) {
reversals.add(index);
}
if (i - 1 > 0) {
reversals.add(i);
}
reversals.add(i + 1);
if (index > 0) {
reversals.add(index + 1);
}
}
return reversals;
}
private static int getIndex(int[] array, int high, int num) {
int low = 0;
if (num < array[0]) {
return 0;
}
if (num > array[high]) {
return high + 1;
}
while (true) {
int middle = (low + high) / 2;
if (array[middle] < num) {
if (array[middle + 1] >= num) {
return middle + 1;
}
low = middle + 1;
} else {
if (array[middle - 1] <= num) {
return middle;
}
high = middle - 1;
}
}
}
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
10
9 3 4 7 6 5 10 2 8 1

correct output
32
10 10 9 10 9 8 7 9 4 2 1 4 5 2...

user output
24
2 2 3 2 2 3 4 3 2 4 5 3 2 5 6 ...

Test 2

Group: 2

Verdict: ACCEPTED

input
1000
650 716 982 41 133 1000 876 92...

correct output
3984
207 207 206 207 128 127 126 12...

user output
3973
3 4 4 5 2 4 6 7 5 7 8 2 7 8 9 ...

Test 3

Group: 3

Verdict: ACCEPTED

input
100000
94703 47808 62366 31885 7091 8...

correct output
399956
98676 98676 98675 98676 62994 ...

user output
399912
2 2 3 2 3 4 4 5 4 5 6 5 4 6 7 ...