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Create jump-game-vi.cpp
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C++/jump-game-vi.cpp

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// Time: O(n)
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// Space: O(k)
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class Solution {
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public:
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int maxResult(vector<int>& nums, int k) {
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int score = 0;
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deque<pair<int, int>> dq;
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for (int i = 0; i < size(nums); ++i) {
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if (!empty(dq) && dq.front().first == i - k - 1) {
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dq.pop_front();
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}
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score = empty(dq) ? nums[i] : dq.front().second + nums[i];
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while (!empty(dq) && dq.back().second <= score) {
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dq.pop_back();
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}
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dq.emplace_back(i, score);
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}
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return score;
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}
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};

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