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Commit4626e39

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add a method to convert char array
1 parentb45ab1d commit4626e39

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2 files changed

+42
-0
lines changed

2 files changed

+42
-0
lines changed

‎src/main/java/com/fishercoder/common/utils/CommonUtils.java

Lines changed: 34 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -264,6 +264,40 @@ public static void print2DCharArray(char[][] arrayArrays) {
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System.out.println();
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}
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publicstaticchar[][]convertLeetCodeRegular2DCharArrayInputIntoJavaArray(Stringinput) {
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/**LeetCode 2-d char array usually comes in like this:
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* [["#"," ","#"],[" "," ","#"],["#","c"," "]] which is wrapped in double quotes instead of single quotes which makes it not usable in Java code.
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* This method helps with the conversion.*/
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input =input.substring(1,input.length() -1);
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String[]arrays =input.split("],\\[");
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// CommonUtils.printArray_generic_type(arrays);
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intm =arrays.length;
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intn =arrays[1].split(",").length;
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char[][]ans =newchar[m][n];
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for (inti =0;i <m;i++) {
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if (i ==0) {
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Stringstr =arrays[i].substring(1);
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String[]strs =str.split(",");
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for (intj =0;j <strs.length;j++) {
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ans[i][j] =strs[j].charAt(1);
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}
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}elseif (i ==m -1) {
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Stringstr =arrays[i].substring(0,arrays[i].length() -1);
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String[]strs =str.split(",");
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for (intj =0;j <strs.length;j++) {
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ans[i][j] =strs[j].charAt(1);
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}
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}else {
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String[]strs =arrays[i].split(",");
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for (intj =0;j <strs.length;j++) {
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ans[i][j] =strs[j].charAt(1);
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}
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}
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}
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CommonUtils.print2DCharArray(ans);
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returnans;
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}
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publicstaticint[][]convertLeetCodeRegularRectangleArrayInputIntoJavaArray(Stringinput) {
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/**
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* LeetCode 2-d array input usually comes like this: it's a REGULAR rectangle

‎src/test/java/com/fishercoder/_2018Test.java

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,6 @@
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packagecom.fishercoder;
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3+
importcom.fishercoder.common.utils.CommonUtils;
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importcom.fishercoder.solutions._2018;
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importorg.junit.BeforeClass;
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importorg.junit.Test;
@@ -77,4 +78,11 @@ public void test7() {
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},"ca"));
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}
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@Test
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publicvoidtest8() {
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assertEquals(true,solution1.placeWordInCrossword(
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CommonUtils.convertLeetCodeRegular2DCharArrayInputIntoJavaArray("[[\"#\",\"\",\"#\"],[\"\",\"\",\"#\"],[\"#\",\"c\",\"\"]]"),
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"abc"));
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}
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}

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