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Commite99f831

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‎README.md

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@@ -8,6 +8,7 @@ _If you like this project, please leave me a star._ ★
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| # | Title | Solutions | Video | Difficulty | Tag
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|-----|----------------|---------------|--------|-------------|-------------
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|1904|[The Number of Full Rounds You Have Played](https://leetcode.com/problems/the-number-of-full-rounds-you-have-played/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1904.java)||Medium|String, Greedy|
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|1903|[Largest Odd Number in String](https://leetcode.com/problems/largest-odd-number-in-string/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1903.java)||Easy|Greedy|
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|1897|[Redistribute Characters to Make All Strings Equal](https://leetcode.com/problems/redistribute-characters-to-make-all-strings-equal/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1897.java)||Easy|String, Greedy|
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|1886|[Determine Whether Matrix Can Be Obtained By Rotation](https://leetcode.com/problems/determine-whether-matrix-can-be-obtained-by-rotation/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1886.java)||Easy|Array|
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packagecom.fishercoder.solutions;
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publicclass_1904 {
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publicstaticclassSolution1 {
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publicintnumberOfRounds(StringstartTime,StringfinishTime) {
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introunds =0;
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intstartHour =Integer.parseInt(startTime.split(":")[0]);
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intendHour =Integer.parseInt(finishTime.split(":")[0]);
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intstartMin =Integer.parseInt(startTime.split(":")[1]);
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intendMin =Integer.parseInt(finishTime.split(":")[1]);
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if (endHour <startHour) {
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endHour +=24;
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}elseif (endHour ==startHour &&endMin <startMin) {
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endHour +=24;
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}
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if (startHour ==endHour) {
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if (startMin ==0 &&endMin >=15) {
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rounds++;
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}
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if (startMin <=15 &&endMin >=30) {
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rounds++;
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}
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if (startMin <=30 &&endMin >=45) {
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rounds++;
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}
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returnrounds;
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}else {
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//compute all full rounds in the start hour
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if (startMin ==0) {
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rounds +=4;
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}elseif (startMin <=15) {
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rounds +=3;
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}elseif (startMin <=30) {
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rounds +=2;
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}elseif (startMin <=45) {
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rounds++;
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}
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//compute all full rounds in the finish hour
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if (endMin >=45) {
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rounds +=3;
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}elseif (endMin >=30) {
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rounds +=2;
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}elseif (endMin >=15) {
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rounds++;
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}
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//compute all full rounds in the all full hours between finishHour and startHour
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rounds += (endHour -startHour -1) *4;
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returnrounds;
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}
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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._1904;
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importorg.junit.BeforeClass;
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importorg.junit.Test;
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importstaticorg.junit.Assert.assertEquals;
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publicclass_1904Test {
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privatestatic_1904.Solution1solution1;
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@BeforeClass
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publicstaticvoidsetup() {
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solution1 =new_1904.Solution1();
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}
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@Test
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publicvoidtest1() {
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assertEquals(1,solution1.numberOfRounds("12:01","12:44"));
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}
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@Test
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publicvoidtest2() {
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assertEquals(95,solution1.numberOfRounds("00:01","00:00"));
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}
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@Test
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publicvoidtest3() {
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assertEquals(40,solution1.numberOfRounds("20:00","06:00"));
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}
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@Test
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publicvoidtest4() {
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assertEquals(55,solution1.numberOfRounds("04:54","18:51"));
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}
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@Test
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publicvoidtest5() {
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assertEquals(0,solution1.numberOfRounds("23:46","00:01"));
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}
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@Test
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publicvoidtest6() {
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assertEquals(39,solution1.numberOfRounds("18:51","04:54"));
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}
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@Test
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publicvoidtest9() {
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assertEquals(39,solution1.numberOfRounds("18:51","04:50"));
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}
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@Test
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publicvoidtest7() {
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assertEquals(2,solution1.numberOfRounds("00:01","00:57"));
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}
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@Test
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publicvoidtest8() {
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assertEquals(6,solution1.numberOfRounds("00:01","01:57"));
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}
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}

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