t = int(input())
for tc in range(0, t):
n = int(input())
str = input()
ucnt = 0
for ch in str:
if ch == 'U':
ucnt = ucnt + 1
print( "YES" if (ucnt & 1) else "NO")1593C - Save More Mice | 1217. Minimum Cost to Move Chips to The Same Position |
347. Top K Frequent Elements | 1503. Last Moment Before All Ants Fall Out of a Plank |
430. Flatten a Multilevel Doubly Linked List | 1290. Convert Binary Number in a Linked List to Integer |
1525. Number of Good Ways to Split a String | 72. Edit Distance |
563. Binary Tree Tilt | 1306. Jump Game III |
236. Lowest Common Ancestor of a Binary Tree | 790. Domino and Tromino Tiling |
878. Nth Magical Number | 2099. Find Subsequence of Length K With the Largest Sum |
1608A - Find Array | 416. Partition Equal Subset Sum |
1446. Consecutive Characters | 1618A - Polycarp and Sums of Subsequences |
1618B - Missing Bigram | 938. Range Sum of BST |
147. Insertion Sort List | 310. Minimum Height Trees |
2110. Number of Smooth Descent Periods of a Stock | 2109. Adding Spaces to a String |
2108. Find First Palindromic String in the Array | 394. Decode String |
902. Numbers At Most N Given Digit Set | 221. Maximal Square |
1200. Minimum Absolute Difference | 1619B - Squares and Cubes |