Update README with LeetCode Daily Challenge

jeremymanning · github-actions[bot] · commit f5d08ac2541d · 2025-07-06T00:40:23.000Z
diff --git a/README.md b/README.md
@@ -381,6 +381,7 @@ _**Note:** Our group is currently taking a break from grinding leetcode. The tab
 | July 3, 2025 | [3304](https://leetcode.com/problems/find-the-k-th-character-in-string-game-i/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/3304) | 🟢 Easy |
 | July 4, 2025 | [3307](https://leetcode.com/problems/find-the-k-th-character-in-string-game-ii/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/3307) | 🔴 Hard |
 | July 5, 2025 | [1394](https://leetcode.com/problems/find-lucky-integer-in-an-array/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/1394) | 🟢 Easy |
+| July 6, 2025 | [1865](https://leetcode.com/problems/finding-pairs-with-a-certain-sum/description/?envType=daily-question) | [Click here](https://github.com/ContextLab/leetcode-solutions/tree/main/problems/1865) | 🟡 Medium |
 
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