QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#730702#5545. Contingency PlanNumbering#WA 2ms10176kbC++173.5kb2024-11-09 21:09:532024-11-09 21:09:54

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 9136kb

input:

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

output:

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

result:

ok AC

Test #2:

score: 0
Accepted
time: 2ms
memory: 9464kb

input:

3
1 2
2 3

output:

-1

result:

ok AC

Test #3:

score: 0
Accepted
time: 2ms
memory: 8844kb

input:

2
2 1

output:

-1

result:

ok AC

Test #4:

score: 0
Accepted
time: 2ms
memory: 10176kb

input:

5
2 1
2 3
2 4
4 5

output:

5 1
5 3
5 2
3 4

result:

ok AC

Test #5:

score: -100
Wrong Answer
time: 1ms
memory: 9272kb

input:

5
1 4
3 4
4 5
2 5

output:

3 1
1 5
3 4
3 2

result:

wrong answer u and v already exists