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
#724111#5545. Contingency PlanHuangHanShengWA 1ms5996kbC++171.9kb2024-11-08 09:38:362024-11-08 09:38:36

详细

Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 5996kb

input:

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

output:

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

result:

wrong answer u and v already exists