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| #include <vector> using std::vector;
class Solution { public: bool kLengthApart(vector<int> &nums, int k) { int last = -1, i, n = nums.size(); for (i = 0; i < n; i++) { if (nums[i] == 1) { last = i; break; } }
if (last == -1) { return true; } for (i = last + 1; i < n; i++) { if (nums[i] == 1) { if (i - last - 1 < k) { return false; } else { last = i; } } } return true; } };
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