|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|

|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)|[:tv:](https://youtu.be/IIt_ARZzclY)|Easy|Greedy|

|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|

|1893|[Check if All the Integers in a Range Are Covered](https://leetcode.com/problems/check-if-all-the-integers-in-a-range-are-covered/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1893.java)||Easy|Array, HashTable, Prefix Sum|

|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|

|1880|[Check if Word Equals Summation of Two Words](https://leetcode.com/problems/check-if-word-equals-summation-of-two-words/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1880.java)||Easy|String|

|1877|[Minimize Maximum Pair Sum in Array](https://leetcode.com/problems/minimize-maximum-pair-sum-in-array/)|[Solution](../master/src/main/java/com/fishercoder/solutions/_1877.java)||Medium|Greedy, Sort|

packagecom.fishercoder.solutions;

importjava.util.Arrays;

publicclass_1893 {

publicstaticclassSolution1 {

publicbooleanisCovered(int[][]ranges,intleft,intright) {

Arrays.sort(ranges, (a,b) ->a[0] !=b[0] ?a[0] -b[0] :a[1] -b[1]);

intchecked =left;

for (int[]range :ranges) {

while (checked >=range[0] &&checked <=range[1]) {

checked++;

}

}

returnchecked >= (right +1);

}

}

}

packagecom.fishercoder;

importcom.fishercoder.solutions._1893;

importorg.junit.BeforeClass;

importorg.junit.Test;

importstaticorg.junit.Assert.assertEquals;

publicclass_1893Test {

privatestatic_1893.Solution1solution1;

privatestaticint[][]ranges;

publicstaticvoidsetup() {

solution1 =new_1893.Solution1();

}

publicvoidtest1() {

ranges =newint[][]{

{1,10},

{10,20}

};

assertEquals(false,solution1.isCovered(ranges,21,21));

}

publicvoidtest2() {

ranges =newint[][]{

{50,50}

};

assertEquals(false,solution1.isCovered(ranges,1,50));

}

publicvoidtest3() {

ranges =newint[][]{

{1,10},

{10,20}

};

assertEquals(false,solution1.isCovered(ranges,21,25));

}

publicvoidtest4() {

ranges =newint[][]{

{1,50}

};

assertEquals(true,solution1.isCovered(ranges,1,50));

}

publicvoidtest5() {

ranges =newint[][]{

{1,2}, {3,4}, {5,6}

};

assertEquals(true,solution1.isCovered(ranges,2,5));

}

publicvoidtest6() {

ranges =newint[][]{

{50,50}

};

assertEquals(false,solution1.isCovered(ranges,49,49));

}

}