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Commit8b6ec46

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add 867
1 parent3684b68 commit8b6ec46

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‎README.md

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|900|[Sort Array By Parity](https://leetcode.com/problems/sort-array-by-parity/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_900.java)| O(n)| O(1)||Easy|
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|896|[Monotonic Array](https://leetcode.com/problems/monotonic-array/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_896.java)| O(n)| O(1)||Easy|
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|884|[Uncommon Words from Two Sentences](https://leetcode.com/problems/uncommon-words-from-two-sentences/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_884.java)| O(n)| O(k)||Easy|
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|867|[Transpose Matrix](https://leetcode.com/problems/transpose-matrix/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_867.java)| O(r*c)| O(r*c)||Easy|
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|852|[Peak Index in a Mountain Array](https://leetcode.com/problems/peak-index-in-a-mountain-array/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_852.java)| O(n)| O(1)||Easy|
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|844|[Backspace String Compare](https://leetcode.com/problems/backspace-string-compare/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_844.java)| O(n)| O(1)||Easy|
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|832|[Flipping an Image](https://leetcode.com/problems/flipping-an-image/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_832.java)| O(n)| O(1)||Easy|
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packagecom.fishercoder.solutions;
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publicclass_867 {
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publicstaticclassSolution1 {
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publicint[][]transpose(int[][]A) {
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int[][]result =newint[A[0].length][A.length];
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for (inti =0;i <A.length;i++) {
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for (intj =0;j <A[0].length;j++) {
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result[j][i] =A[i][j];
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}
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}
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returnresult;
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}
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}
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}
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packagecom.fishercoder;
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importcom.fishercoder.solutions._867;
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importcom.fishercoder.solutions._9;
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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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publicclass_867Test {
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privatestatic_867.Solution1solution1;
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privatestaticint[][]A;
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privatestaticint[][]result;
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@BeforeClass
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publicstaticvoidsetup() {
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solution1 =new_867.Solution1();
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}
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@Test
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publicvoidtest1() {
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A =newint[][]{
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{1,2,3},
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{4,5,6},
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{7,8,9}
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};
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result =newint[][]{
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{1,4,7},
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{2,5,8},
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{3,6,9}
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};
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assertArrayEquals(result,solution1.transpose(A));
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}
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@Test
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publicvoidtest2() {
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A =newint[][]{
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{1,2,3}
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};
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result =newint[][]{
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{1},
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{2},
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{3}
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};
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assertArrayEquals(result,solution1.transpose(A));
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}
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@Test
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publicvoidtest3() {
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A =newint[][]{
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{1},
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{2},
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{3}
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};
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result =newint[][]{
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{1,2,3}
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};
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assertArrayEquals(result,solution1.transpose(A));
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}
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@Test
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publicvoidtest4() {
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A =newint[][]{
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{1,2,3,4},
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{5,6,7,8},
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{9,10,11,12}
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};
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result =newint[][]{
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{1,5,9},
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{2,6,10},
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{3,7,11},
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{4,8,12}
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};
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assertArrayEquals(result,solution1.transpose(A));
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}
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}

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