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Java Solution for LeetCode algorithm problems, continually updating
package g1701_1800.s1705_maximum_number_of_eaten_apples;
// #Medium #Array #Greedy #Heap_Priority_Queue
// #2022_04_24_Time_53_ms_(77.63%)_Space_45.2_MB_(80.26%)
import java.util.PriorityQueue;
public class Solution {
public int eatenApples(int[] apples, int[] days) {
PriorityQueue minHeap = new PriorityQueue<>((a, b) -> a[0] - b[0]);
int eatenApples = 0;
for (int i = 0; i < apples.length || !minHeap.isEmpty(); i++) {
if (i < apples.length) {
minHeap.offer(new int[] {i + days[i], apples[i]});
}
while (!minHeap.isEmpty() && (minHeap.peek()[0] <= i || minHeap.peek()[1] <= 0)) {
minHeap.poll();
}
if (!minHeap.isEmpty()) {
eatenApples++;
minHeap.peek()[1]--;
}
}
return eatenApples;
}
}