LeetCode 3432. Count Partitions with Even Sum Difference
weekly contest-434。
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LeetCode 3429. Paint House IV
weekly contest 433。 有點小心機的 dp 題。
LeetCode 3428. Maximum and Minimum Sums of at Most Size K Subsequences
weekly contest 433。 這題也不太簡單，至少比 Q3 還難，建議換個順序。
LeetCode 3427. Sum of Variable Length Subarrays
weekly contest 433。