题目描述：
Given an integer array nums and an integer k, return the maximum sum of a non-empty subsequence of that array such that for every two consecutive integers in the subsequence, nums[i] and nums[j], where i < j ...
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[LeetCode]Constrained Subsequence Sum
[LeetCode]Minimum Number of Frogs Croaking
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LeetCode.
题目描述：
LeetCode 1419. Minimum Number of Frogs Croaking
Given the string croakOfFrogs, which represents a combination of the string "croak" from different frogs, that is, multiple frogs can croak at the same time, so multiple “croak” are mixed. Return ...
[LeetCode]Optimize Water Distribution in a Village
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LeetCode.
题目描述：
LeetCode 1168. Optimize Water Distribution in a Village
There are n houses in a village. We want to supply water for all the houses by building wells and laying pipes.
For each house i, we can either build a ...
[LeetCode]Print FooBar Alternately
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LeetCode.
题目描述：
LeetCode 1115. Print FooBar Alternately
Suppose you are given the following code:
class FooBar {
public void foo() {
for (int i = 0; i < n; i++) {
print("foo");
}
}
public void bar() {
for ...
[LeetCode]Print in Order
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LeetCode.
题目描述：
Suppose we have a class:
public class Foo {
public void first() { print("first"); }
public void second() { print("second"); }
public void third() { print("third"); }
}
The same instance of Foo will be passed ...