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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#510653#5199. Amazing TrickZhaoZiLongWA 18ms4092kbC++201.7kb2024-08-09 10:22:252024-08-09 10:22:25

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3792kb

input:

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

output:

Impossible
Possible
2 3 1 
3 1 2 
Possible
3 4 1 2 
4 3 2 1 
Possible
3 1 2 5 4 
3 5 4 1 2

result:

ok 3/4 are 'Possible' (4 test cases)

Test #2:

score: 0
Accepted
time: 0ms
memory: 3724kb

input:

50
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

output:

Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Imp...

result:

ok 0/50 are 'Possible' (50 test cases)

Test #3:

score: 0
Accepted
time: 0ms
memory: 4092kb

input:

25
2
2 1
2
2 1
2
2 1
2
1 2
2
2 1
2
1 2
2
1 2
2
1 2
2
1 2
2
1 2
2
2 1
2
2 1
2
1 2
2
1 2
2
2 1
2
2 1
2
2 1
2
1 2
2
1 2
2
1 2
2
2 1
2
2 1
2
2 1
2
2 1
2
2 1

output:

Impossible
Impossible
Impossible
Possible
2 1 
2 1 
Impossible
Possible
2 1 
2 1 
Possible
2 1 
2 1 
Possible
2 1 
2 1 
Possible
2 1 
2 1 
Possible
2 1 
2 1 
Impossible
Impossible
Possible
2 1 
2 1 
Possible
2 1 
2 1 
Impossible
Impossible
Impossible
Possible
2 1 
2 1 
Possible
2 1 
2 1 
Possible
2 ...

result:

ok 11/25 are 'Possible' (25 test cases)

Test #4:

score: 0
Accepted
time: 0ms
memory: 3888kb

input:

16
3
3 2 1
3
3 1 2
3
3 1 2
3
2 3 1
3
3 1 2
3
2 1 3
3
2 3 1
3
3 2 1
3
3 1 2
3
2 1 3
3
1 2 3
3
1 3 2
3
3 1 2
3
3 1 2
3
3 2 1
3
2 1 3

output:

Impossible
Possible
3 1 2 
3 1 2 
Possible
3 1 2 
3 1 2 
Possible
2 3 1 
2 3 1 
Possible
3 1 2 
3 1 2 
Impossible
Possible
2 3 1 
2 3 1 
Impossible
Possible
3 1 2 
3 1 2 
Impossible
Possible
3 1 2 
2 3 1 
Impossible
Possible
3 1 2 
3 1 2 
Possible
3 1 2 
3 1 2 
Impossible
Impossible

result:

ok 9/16 are 'Possible' (16 test cases)

Test #5:

score: 0
Accepted
time: 0ms
memory: 4080kb

input:

12
4
2 4 1 3
4
2 4 1 3
4
1 3 2 4
4
2 4 1 3
4
4 1 2 3
4
2 4 3 1
4
1 3 4 2
4
3 4 2 1
4
2 4 3 1
4
1 3 2 4
4
3 4 1 2
4
1 3 4 2

output:

Possible
4 3 2 1 
2 4 1 3 
Possible
2 4 1 3 
4 3 2 1 
Possible
3 1 4 2 
2 1 4 3 
Possible
4 3 2 1 
2 4 1 3 
Possible
3 4 1 2 
4 1 2 3 
Possible
3 4 2 1 
2 4 1 3 
Possible
2 3 4 1 
4 3 1 2 
Possible
2 1 4 3 
3 4 2 1 
Possible
2 3 4 1 
3 4 2 1 
Possible
3 4 1 2 
3 1 4 2 
Possible
2 1 4 3 
4 3 2 1 
Pos...

result:

ok 12/12 are 'Possible' (12 test cases)

Test #6:

score: 0
Accepted
time: 0ms
memory: 3788kb

input:

10
5
5 4 3 2 1
5
1 5 3 2 4
5
3 1 5 2 4
5
1 5 4 3 2
5
1 3 2 5 4
5
1 2 3 5 4
5
3 1 4 2 5
5
3 4 1 2 5
5
5 1 3 4 2
5
5 3 2 1 4

output:

Possible
2 5 1 3 4 
2 5 4 1 3 
Possible
3 1 5 2 4 
2 5 1 3 4 
Possible
5 3 2 1 4 
3 5 4 1 2 
Possible
2 4 1 5 3 
3 4 2 5 1 
Possible
2 4 5 3 1 
5 4 1 3 2 
Possible
3 5 4 1 2 
4 5 1 2 3 
Possible
4 1 2 5 3 
3 1 2 5 4 
Possible
5 3 4 1 2 
2 3 4 5 1 
Possible
5 4 1 3 2 
5 1 4 2 3 
Possible
5 4 1 3 2 
2...

result:

ok 10/10 are 'Possible' (10 test cases)

Test #7:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

8
6
5 4 3 6 2 1
6
2 1 3 4 5 6
6
1 6 4 5 2 3
6
1 2 3 4 5 6
6
3 6 1 2 5 4
6
2 6 3 5 4 1
6
1 2 4 5 3 6
6
5 3 4 2 6 1

output:

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

result:

ok 8/8 are 'Possible' (8 test cases)

Test #8:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

7
7
3 7 6 5 2 1 4
7
6 1 3 2 7 4 5
7
2 4 1 6 7 5 3
7
4 3 5 1 2 6 7
7
3 1 5 7 2 4 6
7
2 3 4 6 7 5 1
7
7 4 2 6 3 1 5

output:

Possible
2 3 7 5 6 1 4 
5 4 6 3 7 2 1 
Possible
6 5 1 2 3 7 4 
4 7 5 1 6 3 2 
Possible
6 7 2 5 1 3 4 
6 5 2 3 1 7 4 
Possible
3 6 4 7 1 5 2 
3 6 7 5 1 2 4 
Possible
7 1 5 2 6 4 3 
4 3 2 5 7 1 6 
Possible
3 7 4 5 1 2 6 
2 5 6 1 7 3 4 
Possible
7 6 4 3 1 2 5 
2 4 7 6 1 3 5

result:

ok 7/7 are 'Possible' (7 test cases)

Test #9:

score: 0
Accepted
time: 0ms
memory: 3820kb

input:

6
8
6 1 5 3 7 8 4 2
8
4 5 8 1 3 6 2 7
8
6 5 8 2 4 1 3 7
8
4 2 5 3 7 1 8 6
8
5 7 2 6 3 8 4 1
8
4 1 5 3 7 2 8 6

output:

Possible
7 1 8 5 6 2 3 4 
6 3 8 1 7 2 4 5 
Possible
5 8 7 2 6 3 4 1 
7 3 1 8 4 5 2 6 
Possible
2 8 1 7 4 3 5 6 
8 5 4 7 1 3 2 6 
Possible
8 5 7 6 4 3 2 1 
4 7 5 8 6 1 2 3 
Possible
2 4 1 3 6 5 8 7 
7 4 6 8 3 2 1 5 
Possible
7 5 8 6 1 4 2 3 
7 4 6 5 8 3 2 1

result:

ok 6/6 are 'Possible' (6 test cases)

Test #10:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

5
9
2 8 5 3 4 6 9 7 1
9
5 8 2 6 4 7 1 9 3
9
4 5 1 6 9 8 7 3 2
9
9 5 7 6 4 2 8 3 1
9
7 3 2 5 8 9 6 4 1

output:

Possible
2 4 8 6 1 9 3 7 5 
6 5 2 9 7 4 3 1 8 
Possible
8 5 2 6 3 9 1 4 7 
9 5 6 2 7 8 4 3 1 
Possible
9 6 1 2 3 8 4 5 7 
5 1 6 3 4 7 9 2 8 
Possible
4 7 1 8 6 3 9 2 5 
7 5 4 9 8 1 6 2 3 
Possible
8 7 1 6 3 9 5 4 2 
6 5 9 1 8 2 3 7 4

result:

ok 5/5 are 'Possible' (5 test cases)

Test #11:

score: 0
Accepted
time: 0ms
memory: 4080kb

input:

5
10
10 5 3 8 9 6 1 7 4 2
10
10 9 4 8 6 1 7 3 5 2
10
4 10 7 3 6 9 5 1 8 2
10
6 1 8 10 7 5 3 4 2 9
10
8 10 9 1 2 4 7 6 3 5

output:

Possible
9 5 6 2 3 10 4 1 7 8 
9 6 5 1 4 3 10 7 2 8 
Possible
8 5 10 9 1 2 4 7 6 3 
9 3 1 10 4 2 8 7 6 5 
Possible
4 6 9 7 2 3 1 10 5 8 
10 8 1 7 4 9 6 3 2 5 
Possible
4 6 5 9 8 3 10 7 2 1 
9 4 8 5 2 10 3 6 7 1 
Possible
2 3 1 7 8 5 6 9 10 4 
10 6 8 7 9 5 4 3 2 1

result:

ok 5/5 are 'Possible' (5 test cases)

Test #12:

score: 0
Accepted
time: 14ms
memory: 3960kb

input:

100000
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

output:

Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Impossible
Imp...

result:

ok 0/100000 are 'Possible' (100000 test cases)

Test #13:

score: 0
Accepted
time: 18ms
memory: 3820kb

input:

50000
2
1 2
2
1 2
2
1 2
2
1 2
2
2 1
2
1 2
2
2 1
2
2 1
2
1 2
2
1 2
2
1 2
2
2 1
2
2 1
2
1 2
2
2 1
2
2 1
2
1 2
2
2 1
2
2 1
2
1 2
2
2 1
2
2 1
2
1 2
2
2 1
2
1 2
2
2 1
2
2 1
2
1 2
2
2 1
2
1 2
2
2 1
2
2 1
2
2 1
2
2 1
2
2 1
2
2 1
2
2 1
2
2 1
2
2 1
2
1 2
2
1 2
2
2 1
2
2 1
2
1 2
2
2 1
2
1 2
2
2 1
2
2 1
2
2 1
...

output:

Possible
2 1 
2 1 
Possible
2 1 
2 1 
Possible
2 1 
2 1 
Possible
2 1 
2 1 
Impossible
Possible
2 1 
2 1 
Impossible
Impossible
Possible
2 1 
2 1 
Possible
2 1 
2 1 
Possible
2 1 
2 1 
Impossible
Impossible
Possible
2 1 
2 1 
Impossible
Impossible
Possible
2 1 
2 1 
Impossible
Impossible
Possible
2 ...

result:

ok 25064/50000 are 'Possible' (50000 test cases)

Test #14:

score: 0
Accepted
time: 12ms
memory: 3820kb

input:

33333
3
3 2 1
3
2 3 1
3
2 3 1
3
3 1 2
3
2 1 3
3
2 3 1
3
2 3 1
3
2 3 1
3
2 1 3
3
1 2 3
3
2 1 3
3
2 3 1
3
3 1 2
3
1 3 2
3
2 1 3
3
1 2 3
3
1 3 2
3
2 1 3
3
1 2 3
3
2 3 1
3
1 3 2
3
2 3 1
3
3 2 1
3
1 3 2
3
3 1 2
3
3 1 2
3
2 1 3
3
3 1 2
3
3 1 2
3
3 1 2
3
1 3 2
3
3 2 1
3
3 2 1
3
3 2 1
3
3 1 2
3
2 3 1
3
1 3 ...

output:

Impossible
Possible
2 3 1 
2 3 1 
Possible
2 3 1 
2 3 1 
Possible
3 1 2 
3 1 2 
Impossible
Possible
2 3 1 
2 3 1 
Possible
2 3 1 
2 3 1 
Possible
2 3 1 
2 3 1 
Impossible
Possible
3 1 2 
2 3 1 
Impossible
Possible
2 3 1 
2 3 1 
Possible
3 1 2 
3 1 2 
Impossible
Impossible
Possible
3 1 2 
2 3 1 
Impo...

result:

ok 16621/33333 are 'Possible' (33333 test cases)

Test #15:

score: -100
Wrong Answer
time: 15ms
memory: 3800kb

input:

25000
4
1 4 2 3
4
1 2 4 3
4
4 3 1 2
4
2 3 4 1
4
2 3 1 4
4
4 1 2 3
4
4 3 2 1
4
4 1 2 3
4
4 2 3 1
4
3 4 1 2
4
3 2 1 4
4
1 2 3 4
4
1 2 4 3
4
4 1 3 2
4
3 2 1 4
4
4 2 1 3
4
2 4 3 1
4
3 1 4 2
4
4 2 1 3
4
1 2 4 3
4
4 1 2 3
4
3 4 1 2
4
1 3 2 4
4
2 1 3 4
4
1 3 4 2
4
1 2 4 3
4
4 1 3 2
4
2 4 3 1
4
1 3 2 4
4
4 ...

output:

Possible
4 1 2 3 
2 4 1 3 
Possible
3 4 1 2 
3 4 2 1 
Possible
4 3 1 2 
2 1 4 3 
Possible
2 3 4 1 
3 4 1 2 
Possible
2 4 1 3 
4 3 1 2 
Possible
4 1 2 3 
3 4 1 2 
Possible
2 4 1 3 
2 4 1 3 
Possible
4 1 2 3 
3 4 1 2 
Possible
2 1 4 3 
3 1 4 2 
Possible
2 3 4 1 
2 3 4 1 
Possible
4 1 2 3 
4 3 2 1 
Pos...

result:

wrong answer solution exists, but was not found [n = 4] (test case 141)
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