CSES - Datatähti 2021 loppu - Results
Submission details
Task:Järjestäminen
Sender:CursedTomb
Submission time:2021-01-23 17:49:23 +0200
Language:Python3 (PyPy3)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#10.06 s1, 2details
#20.08 s2details
#30.10 s1, 2details
#40.12 s1, 2details

Code

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 details

Test 1

Group: 1, 2

Verdict:

input
153
1
1
2
1 2
...

correct output
YES
YES
NO
NO
NO
...

user output
NO
YES
NO
NO
NO
...
Truncated

Test 2

Group: 2

Verdict:

input
1000
59
35 29 32 50 11 15 9 21 19 45 2...

correct output
YES
NO
YES
NO
YES
...

user output
(empty)

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

Test 3

Group: 1, 2

Verdict:

input
720
6
1 6 4 5 2 3
6
6 3 2 1 5 4
...

correct output
YES
NO
NO
NO
YES
...

user output
NO
NO
NO
NO
NO
...
Truncated

Test 4

Group: 1, 2

Verdict:

input
1000
8
7 4 2 8 6 3 5 1
8
3 8 2 7 5 4 6 1
...

correct output
NO
NO
YES
NO
YES
...

user output
NO
NO
NO
NO
NO
...
Truncated