diff --git a/src/test/kotlin/g0001_0100/s0008_string_to_integer_atoi/SolutionTest.kt b/src/test/kotlin/g0001_0100/s0008_string_to_integer_atoi/SolutionTest.kt
index ec2900c2a..cf2153d2d 100644
--- a/src/test/kotlin/g0001_0100/s0008_string_to_integer_atoi/SolutionTest.kt
+++ b/src/test/kotlin/g0001_0100/s0008_string_to_integer_atoi/SolutionTest.kt
@@ -29,4 +29,64 @@ internal class SolutionTest {
     fun myAtoi5() {
         assertThat(Solution().myAtoi("-91283472332"), equalTo(-2147483648))
     }
+
+    @Test
+    fun myAtoi6() {
+        assertThat(Solution().myAtoi("123"), equalTo(123))
+    }
+
+    @Test
+    fun myAtoi7() {
+        assertThat(Solution().myAtoi("+456"), equalTo(456))
+    }
+
+    @Test
+    fun myAtoi8() {
+        assertThat(Solution().myAtoi("0000123"), equalTo(123))
+    }
+
+    @Test
+    fun myAtoi9() {
+        assertThat(Solution().myAtoi("2147483648"), equalTo(Int.MAX_VALUE))
+    }
+
+    @Test
+    fun myAtoi10() {
+        assertThat(Solution().myAtoi("-2147483649"), equalTo(Int.MIN_VALUE))
+    }
+
+    @Test
+    fun myAtoi11() {
+        assertThat(Solution().myAtoi(""), equalTo(0))
+    }
+
+    @Test
+    fun myAtoi12() {
+        assertThat(Solution().myAtoi("     "), equalTo(0))
+    }
+
+    @Test
+    fun myAtoi13() {
+        assertThat(Solution().myAtoi("+-2"), equalTo(0))
+    }
+
+    @Test
+    fun myAtoi14() {
+        assertThat(Solution().myAtoi("0"), equalTo(0))
+    }
+
+    @Test
+    fun myAtoi15() {
+        assertThat(Solution().myAtoi("-0"), equalTo(0))
+    }
+
+    @Test
+    fun myAtoi16() {
+        assertThat(Solution().myAtoi("words 123"), equalTo(0))
+    }
+
+    @Test
+    fun myAtoi17() {
+        assertThat(Solution().myAtoi("  0000000000012345678abc"), equalTo(12345678))
+    }
 }
diff --git a/src/test/kotlin/g1101_1200/s1184_distance_between_bus_stops/SolutionTest.kt b/src/test/kotlin/g1101_1200/s1184_distance_between_bus_stops/SolutionTest.kt
index 7ba7b071d..77ce07a34 100644
--- a/src/test/kotlin/g1101_1200/s1184_distance_between_bus_stops/SolutionTest.kt
+++ b/src/test/kotlin/g1101_1200/s1184_distance_between_bus_stops/SolutionTest.kt
@@ -28,4 +28,52 @@ internal class SolutionTest {
             equalTo(4),
         )
     }
+
+    @Test
+    fun distanceBetweenBusStops4() {
+        assertThat(
+            Solution().distanceBetweenBusStops(intArrayOf(1, 2, 3, 4), 3, 1),
+            equalTo(5),
+        )
+    }
+
+    @Test
+    fun distanceBetweenBusStops5() {
+        assertThat(
+            Solution().distanceBetweenBusStops(intArrayOf(7, 1, 2, 3), 1, 3),
+            equalTo(3),
+        )
+    }
+
+    @Test
+    fun distanceBetweenBusStops6() {
+        assertThat(
+            Solution().distanceBetweenBusStops(intArrayOf(2, 2, 2, 2), 1, 3),
+            equalTo(4),
+        )
+    }
+
+    @Test
+    fun distanceBetweenBusStops7() {
+        assertThat(
+            Solution().distanceBetweenBusStops(intArrayOf(5), 0, 0),
+            equalTo(0),
+        )
+    }
+
+    @Test
+    fun distanceBetweenBusStops8() {
+        assertThat(
+            Solution().distanceBetweenBusStops(intArrayOf(3, 8), 1, 0),
+            equalTo(3),
+        )
+    }
+
+    @Test
+    fun distanceBetweenBusStops9() {
+        assertThat(
+            Solution().distanceBetweenBusStops(intArrayOf(1, 4, 6, 3), 2, 1),
+            equalTo(4),
+        )
+    }
 }
diff --git a/src/test/kotlin/g1801_1900/s1882_process_tasks_using_servers/SolutionTest.kt b/src/test/kotlin/g1801_1900/s1882_process_tasks_using_servers/SolutionTest.kt
index 400927c5a..88db933eb 100644
--- a/src/test/kotlin/g1801_1900/s1882_process_tasks_using_servers/SolutionTest.kt
+++ b/src/test/kotlin/g1801_1900/s1882_process_tasks_using_servers/SolutionTest.kt
@@ -21,4 +21,62 @@ internal class SolutionTest {
             equalTo(intArrayOf(1, 4, 1, 4, 1, 3, 2)),
         )
     }
+
+    @Test
+    fun assignTasks3() {
+        assertThat(
+            Solution().assignTasks(intArrayOf(1), intArrayOf(1, 2, 3)),
+            equalTo(intArrayOf(0, 0, 0)),
+        )
+    }
+
+    @Test
+    fun assignTasks4() {
+        assertThat(
+            Solution().assignTasks(intArrayOf(2, 2, 2), intArrayOf(1, 2, 1, 2)),
+            equalTo(intArrayOf(0, 0, 1, 0)),
+        )
+    }
+
+    @Test
+    fun assignTasks5() {
+        assertThat(
+            Solution().assignTasks(intArrayOf(1, 2), intArrayOf(1, 2, 3, 4)),
+            equalTo(intArrayOf(0, 0, 1, 0)),
+        )
+    }
+
+    @Test
+    fun assignTasks6() {
+        assertThat(
+            Solution().assignTasks(intArrayOf(1, 2, 3), intArrayOf()),
+            equalTo(intArrayOf()),
+        )
+    }
+
+    @Test
+    fun assignTasks7() {
+        assertThat(
+            Solution().assignTasks(intArrayOf(3, 1, 4), intArrayOf(5)),
+            equalTo(intArrayOf(1)),
+        )
+    }
+
+    @Test
+    fun assignTasks8() {
+        assertThat(
+            Solution().assignTasks(intArrayOf(1, 2), intArrayOf(2, 2, 2)),
+            equalTo(intArrayOf(0, 1, 0)),
+        )
+    }
+
+    @Test
+    fun assignTasks9() {
+        val servers = intArrayOf(5, 3, 1, 4, 2)
+        val tasks = intArrayOf(1, 3, 5, 7, 9, 11)
+        assertThat(
+            Solution().assignTasks(servers, tasks),
+            equalTo(intArrayOf(2, 2, 4, 1, 2, 3)),
+        )
+    }
 }
diff --git a/src/test/kotlin/g2501_2600/s2600_k_items_with_the_maximum_sum/SolutionTest.kt b/src/test/kotlin/g2501_2600/s2600_k_items_with_the_maximum_sum/SolutionTest.kt
index 8b67dd3d1..ac54c7756 100644
--- a/src/test/kotlin/g2501_2600/s2600_k_items_with_the_maximum_sum/SolutionTest.kt
+++ b/src/test/kotlin/g2501_2600/s2600_k_items_with_the_maximum_sum/SolutionTest.kt
@@ -14,4 +14,44 @@ internal class SolutionTest {
     fun kItemsWithMaximumSum2() {
         assertThat(Solution().kItemsWithMaximumSum(3, 2, 0, 4), equalTo(3))
     }
+
+    @Test
+    fun kItemsWithMaximumSum3() {
+        assertThat(Solution().kItemsWithMaximumSum(5, 3, 2, 5), equalTo(5))
+    }
+
+    @Test
+    fun kItemsWithMaximumSum4() {
+        assertThat(Solution().kItemsWithMaximumSum(3, 4, 5, 7), equalTo(3))
+    }
+
+    @Test
+    fun kItemsWithMaximumSum5() {
+        assertThat(Solution().kItemsWithMaximumSum(3, 1, 5, 6), equalTo(1))
+    }
+
+    @Test
+    fun kItemsWithMaximumSum6() {
+        assertThat(Solution().kItemsWithMaximumSum(2, 1, 10, 13), equalTo(-8))
+    }
+
+    @Test
+    fun kItemsWithMaximumSum7() {
+        assertThat(Solution().kItemsWithMaximumSum(0, 5, 5, 3), equalTo(0))
+    }
+
+    @Test
+    fun kItemsWithMaximumSum8() {
+        assertThat(Solution().kItemsWithMaximumSum(2, 0, 5, 3), equalTo(1))
+    }
+
+    @Test
+    fun kItemsWithMaximumSum9() {
+        assertThat(Solution().kItemsWithMaximumSum(4, 3, 0, 6), equalTo(4))
+    }
+
+    @Test
+    fun kItemsWithMaximumSum10() {
+        assertThat(Solution().kItemsWithMaximumSum(5, 5, 5, 0), equalTo(0))
+    }
 }
diff --git a/src/test/kotlin/g3501_3600/s3548_equal_sum_grid_partition_ii/SolutionTest.kt b/src/test/kotlin/g3501_3600/s3548_equal_sum_grid_partition_ii/SolutionTest.kt
index f3eac3174..c7b2243e1 100644
--- a/src/test/kotlin/g3501_3600/s3548_equal_sum_grid_partition_ii/SolutionTest.kt
+++ b/src/test/kotlin/g3501_3600/s3548_equal_sum_grid_partition_ii/SolutionTest.kt
@@ -131,4 +131,65 @@ internal class SolutionTest {
             equalTo(true),
         )
     }
+
+    @Test
+    fun canPartitionGrid12() {
+        val solution = Solution()
+        val grid = arrayOf(
+            intArrayOf(2, 1),
+            intArrayOf(1, 1),
+        )
+        assertThat(solution.canPartitionGrid(grid), equalTo(true))
+    }
+
+    @Test
+    fun canPartitionGrid13() {
+        val solution = Solution()
+        val grid = arrayOf(
+            intArrayOf(1),
+            intArrayOf(2),
+            intArrayOf(1),
+        )
+        assertThat(solution.canPartitionGrid(grid), equalTo(true))
+    }
+
+    @Test
+    fun canPartitionGrid14() {
+        val solution = Solution()
+        val grid = arrayOf(
+            intArrayOf(1, 2),
+            intArrayOf(1, 1),
+        )
+        assertThat(solution.canPartitionGrid(grid), equalTo(true))
+    }
+
+    @Test
+    fun canPartitionGrid15() {
+        val solution = Solution()
+        val grid = arrayOf(
+            intArrayOf(1, 1, 2),
+            intArrayOf(1, 1, 1),
+        )
+        assertThat(solution.canPartitionGrid(grid), equalTo(true))
+    }
+
+    @Test
+    fun canPartitionGrid16() {
+        val solution = Solution()
+        val grid = arrayOf(
+            intArrayOf(1, 1),
+            intArrayOf(1, 1),
+        )
+        assertThat(solution.canPartitionGrid(grid), equalTo(true))
+    }
+
+    @Test
+    fun canPartitionGrid17() {
+        val solution = Solution()
+        val grid = arrayOf(
+            intArrayOf(1, 2),
+            intArrayOf(3, 4),
+        )
+        assertThat(solution.canPartitionGrid(grid), equalTo(true))
+    }
 }