1776. car fleet ii #499
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1776. car fleet ii #499
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…] cars) { int length = cars.length; double[] times = new double[length]; Deque<Integer> stack = new LinkedList<Integer>(); for (int i = length - 1; i >= 0; i--) { while (!stack.isEmpty()) { if (cars[stack.peek()][1] >= cars[i][1]) stack.pop(); else { if (times[stack.peek()] < 0) break; double time = times[stack.peek()] * (cars[i][1] - cars[stack.peek()][1]); if (time > cars[stack.peek()][0] - cars[i][0]) break; else stack.pop(); } } if (stack.isEmpty()) times[i] = -1; else times[i] = (double) (cars[stack.peek()][0] - cars[i][0]) directory
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