http://poj.org/problem?id=3125 import java.io.BufferedInputStream; import java.util.Arrays; import java.util.LinkedList; import java.util.Scanner; /** * @author NC * poj3125 */ public class Main { public static void main(String[] args) { Scanner scan = new Scanner(new BufferedInputStream(System.in)); int cas = scan.nextInt(); for (int i = 1; i <= cas; i++) { int n = scan.nextInt(); int position = scan.nextInt(); LinkedList<Job> queue = new LinkedList(); int[] priority = new int[n]; for (int j = 0; j < n; j++) { priority[j] = scan.nextInt(); queue.addLast(new Job(j + 1, priority[j])); } Arrays.sort(priority);//非递减的 int time = 0; int count = priority.length - 1; Job current = null; do { current = queue.getFirst(); if (current.priority < priority[count]) { current = queue.removeFirst(); queue.addLast(current); } else if (current.priority == priority[count]) { time++; count--; queue.removeFirst(); if (current.number == position + 1) { break; } } else { System.out.println("error"); } } while (true); System.out.println(time); } } } class Job { int priority; int number; Job(int n, int p) { this.priority = p; this.number = n; } }
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