23 lines
701 B
Java
23 lines
701 B
Java
public class RangeExtraction {
|
|
|
|
public static void main(String[] args) {
|
|
int[] arr = {0, 1, 2, 4, 6, 7, 8, 11, 12, 14,
|
|
15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
|
|
25, 27, 28, 29, 30, 31, 32, 33, 35, 36,
|
|
37, 38, 39};
|
|
|
|
int len = arr.length;
|
|
int idx = 0, idx2 = 0;
|
|
while (idx < len) {
|
|
while (++idx2 < len && arr[idx2] - arr[idx2 - 1] == 1);
|
|
if (idx2 - idx > 2) {
|
|
System.out.printf("%s-%s,", arr[idx], arr[idx2 - 1]);
|
|
idx = idx2;
|
|
} else {
|
|
for (; idx < idx2; idx++)
|
|
System.out.printf("%s,", arr[idx]);
|
|
}
|
|
}
|
|
}
|
|
}
|