CF1772E.Permutation Game

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题目描述

Two players are playing a game. They have a permutation of integers 11 , 22 , ..., nn (a permutation is an array where each element from 11 to nn occurs exactly once). The permutation is not sorted in either ascending or descending order (i. e. the permutation does not have the form [1,2,,n][1, 2, \dots, n] or [n,n1,,1][n, n-1, \dots, 1] ).

Initially, all elements of the permutation are colored red. The players take turns. On their turn, the player can do one of three actions:

  • rearrange the elements of the permutation in such a way that all red elements keep their positions (note that blue elements can be swapped with each other, but it's not obligatory);
  • change the color of one red element to blue;
  • skip the turn.

The first player wins if the permutation is sorted in ascending order (i. e. it becomes [1,2,,n][1, 2, \dots, n] ). The second player wins if the permutation is sorted in descending order (i. e. it becomes [n,n1,,1][n, n-1, \dots, 1] ). If the game lasts for 100500100^{500} turns and nobody wins, it ends in a draw.

Your task is to determine the result of the game if both players play optimally.

输入格式

The first line contains a single integer tt ( 1t1051 \le t \le 10^5 ) — the number of test cases.

The first line of each test case contains a single integer nn ( 3n51053 \le n \le 5 \cdot 10^5 ) — the size of the permutation.

The second line contains nn integers p1,p2,,pnp_1, p_2, \dots, p_n — the permutation itself. The permutation pp is not sorted in either ascending or descending order.

The sum of nn over all test cases does not exceed 51055 \cdot 10^5 .

输出格式

For each test case, print First if the first player wins, Second if the second player wins, and Tie if the result is a draw.

输入输出样例

  • 输入#1

    4
    4
    1 2 4 3
    3
    2 3 1
    5
    3 4 5 2 1
    6
    1 5 6 3 2 4

    输出#1

    First
    Tie
    Second
    Tie

说明/提示

Let's show how the first player wins in the first example.

They should color the elements 33 and 44 blue during their first two turns, and then they can reorder the blue elements in such a way that the permutation becomes [1,2,3,4][1, 2, 3, 4] . The second player can neither interfere with this strategy nor win faster.

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