Järjestäminen

t=int(input())

for i in range(t):
	n = int(input())
	arr = list(input())
	arr = [int(i) for i in arr if i != " "]

	arr2 = list(arr)
	arr2.sort()
	a = 1
	while(arr is not arr2):
		t = arr.index(a)
		if(t==a):
			a+=1
			continue
		if(t+1>n):
			print("NO")
			break
		if(a==n):
			print("NO")
			break
		tmp1 = arr[a-1]
		tmp2 = arr[a]
		arr[a-1], arr[a]= arr[t], arr[t+1]
		arr[t], arr[t+1] = tmp1, tmp2
		a+=1
		if(a==n):
			if(arr2==arr):
				print("YES")
			else:
				print("NO")
			break

Test 1

Group: 1, 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 24, in <module>
    arr[a-...

Test 2

Group: 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 12, in <module>
    t = ar...

Test 3

Group: 1, 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 24, in <module>
    arr[a-...

Test 4

Group: 1, 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 24, in <module>
    arr[a-...