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Commit0ee163b

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Add solution and testcase for 1669 (fishercoder1534#157)
* fix: add solution and testcase for 1669* fix: add solution and testcase for 1669
1 parentea2de74 commit0ee163b

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2 files changed

+38
-7
lines changed

2 files changed

+38
-7
lines changed

‎src/main/java/com/fishercoder/solutions/_1669.java‎

Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,7 @@
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publicclass_1669 {
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publicstaticclassSolution1 {
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publicListNodemergeInBetween(ListNodelist1,inta,intb,ListNodelist2) {
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ListNodepre =newListNode(-1);
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ListNodelist1Temp =list1;
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pre.next =list1Temp;
@@ -33,4 +34,24 @@ public ListNode mergeInBetween(ListNode list1, int a, int b, ListNode list2) {
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returnpre.next;
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}
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}
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publicstaticclassSolution2 {
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publicListNodemergeInBetween(ListNodelist1,inta,intb,ListNodelist2) {
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ListNodeendList =list1;
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ListNodestartList =null;
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for (inti =0;i <b;i++,endList =endList.next) {
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if (i ==a -1) {
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startList =endList;
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}
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}
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// Connect the startList.next to list2
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startList.next =list2;
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while (list2.next !=null) {
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list2 =list2.next;
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}
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list2.next =endList.next;
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endList.next =null;
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returnlist1;
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}
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}
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}

‎src/test/java/com/fishercoder/_1669Test.java‎

Lines changed: 17 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -2,16 +2,18 @@
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importcom.fishercoder.common.classes.ListNode;
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importcom.fishercoder.common.utils.LinkedListUtils;
5-
importcom.fishercoder.solutions._1;
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importcom.fishercoder.solutions._1669;
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importorg.junit.BeforeClass;
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importorg.junit.Test;importorg.junit.BeforeClass;
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importorg.junit.Test;
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importstaticorg.junit.Assert.assertArrayEquals;
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importstaticorg.junit.Assert.assertEquals;
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importcom.fishercoder.solutions._1669;
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publicclass_1669Test {
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privatestatic_1669.Solution1solution1;
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privatestatic_1669.Solution1solution2;
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privatestaticListNodel1;
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privatestaticListNodel2;
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privatestaticinta;
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privatestaticintb;
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privatestaticListNodelist1;
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privatestaticListNodelist2;
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privatestaticListNodeexpected;
@@ -20,6 +22,7 @@ public class _1669Test {
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@BeforeClass
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publicstaticvoidsetup() {
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solution1 =new_1669.Solution1();
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solution2 =new_1669.Solution2();
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}
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@Test
@@ -31,5 +34,12 @@ public void test1() {
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LinkedListUtils.printList(actual);
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assertEquals(expected,actual);
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}
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}
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@Test
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publicvoidtest2() {
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l1 =ListNode.createSinglyLinkedList(Arrays.asList(0,1,2,3,4,5));
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l2 =ListNode.createSinglyLinkedList(Arrays.asList(1000000,1000001,1000002));
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a =3;
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b =4;
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assertEquals(ListNode.createSinglyLinkedList(Arrays.asList(0,1,2,1000000,1000001,1000002,5)),solution2.mergeInBetween(l1,a,b,l2));
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}
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}

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