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2016 Update

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This commit is contained in:
Tina Müller 2016-12-05 22:15:40 +01:00
parent 948b86eafa
commit dcf5d15da3
7965 changed files with 139854 additions and 31002 deletions
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53
Task/Range-extraction/Java/range-extraction.java
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@ -1,41 +1,22 @@
public class Range{
public static void main(String[] args){
System.out.println(compress2Range("-6, -3, -2, -1, 0, 1, 3, 4, 5, 7," +
" 8, 9, 10, 11, 14, 15, 17, 18, 19, 20"));
System.out.println(compress2Range(
"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"));
}
public class RangeExtraction {
private static String compress2Range(String expanded){
StringBuilder result = new StringBuilder();
String[] nums = expanded.replace(" ", "").split(",");
int firstNum = Integer.parseInt(nums[0]);
int rangeSize = 0;
for(int i = 1; i < nums.length; i++){
int thisNum = Integer.parseInt(nums[i]);
if(thisNum - firstNum - rangeSize == 1){
rangeSize++;
}else{
if(rangeSize != 0){
result.append(firstNum).append((rangeSize == 1) ? ",": "-")
.append(firstNum+rangeSize).append(",");
rangeSize = 0;
}else{
result.append(firstNum).append(",");
}
firstNum = thisNum;
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]);
}
}
if(rangeSize != 0){
result.append(firstNum).append((rangeSize == 1) ? "," : "-").
append(firstNum + rangeSize);
rangeSize = 0;
} else {
result.append(firstNum);
}
return result.toString();
}
}