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65 | 65 | | 3032|[Count Numbers With Unique Digits II](https://leetcode.com/problems/count-numbers-with-unique-digits-ii/)|[Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3032.java)|| Easy| |
66 | 66 | | 3024|[Type of Triangle](https://leetcode.com/problems/type-of-triangle/)|[Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3024.java)|| Easy| |
67 | 67 | | 3028|[Ant on the Boundary](https://leetcode.com/problems/ant-on-the-boundary/)|[Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3028.java)|| Easy| |
| 68 | +| 3019|[Number of Changing Keys](https://leetcode.com/problems/number-of-changing-keys/)|[Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3019.java)|| Easy| |
68 | 69 | | 3010|[Divide an Array Into Subarrays With Minimum Cost I](https://leetcode.com/problems/divide-an-array-into-subarrays-with-minimum-cost-i/)|[Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3010.java)|| Easy| |
69 | 70 | | 3014|[Minimum Number of Pushes to Type Word I](https://leetcode.com/problems/minimum-number-of-pushes-to-type-word-i/)|[Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3014.java)|| Easy| |
70 | 71 | | 3006|[Find Beautiful Indices in the Given Array I](https://leetcode.com/problems/find-beautiful-indices-in-the-given-array-i/)|[Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3006.java)|| Medium| |
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