import java.util.Scanner;

public class Main {
	static StringBuilder sb;
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int N = scan.nextInt();
		int[]A = new int[N];
		for(int i = 0; i < N; i++) {
			A[i] = scan.nextInt();
		}

		sb = new StringBuilder();
		bubbleSort(A, N);
		System.out.print(sb.toString());

		int Dummy = scan.nextInt();
		scan.close();
		if(Dummy == -1) {
			System.exit(0);
		}


	}
	static void bubbleSort(int[]A, int n) {
		boolean flag = true;
		while(flag) {
			flag = false;
			for(int i = n - 1; i >= 1; i--) {
				if(A[i] < A[i - 1]) {
					int t = A[i];
					A[i] = A[i - 1];
					A[i - 1] = t;
					flag = true;
					sb.append(i).append(" ").append(i-1);
					sb.append("\n");
				}
			}
		}
	}
}