20250619 finished.

src/problems/2294-partition-array-such-that-maximum-difference-is-k.cpp

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+/**
+* [2294] Partition Array Such That Maximum Difference Is K
+ */
+#include <bits/stdc++.h>
+#include <gtest/gtest.h>
+using namespace std;
+
+
+// submission codes start here
+
+class Solution
+{
+public:
+    int partitionArray(vector<int> &nums, int k)
+    {
+        ranges::sort(nums);
+
+        // At least to split into one segment.
+        int result   = 1;
+        int pos      = 1;
+        int minValue = nums[0];
+
+        while (pos < nums.size())
+        {
+            if (nums[pos] > minValue + k)
+            {
+                result   += 1;
+                minValue  = nums[pos];
+            }
+            else
+            {
+                pos += 1;
+            }
+        }
+
+        return result;
+    }
+};
+
+// submission codes end
+
+TEST(P2294, Test1)
+{
+    vector nums1 = {3, 6, 1, 2, 5};
+    ASSERT_EQ(2, Solution().partitionArray(nums1, 2));
+    vector nums2 = {1, 2, 3};
+    ASSERT_EQ(2, Solution().partitionArray(nums2, 1));
+    vector nums3 = {2, 2, 4, 5};
+    ASSERT_EQ(3, Solution().partitionArray(nums3, 0));
+}