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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
#729446#9570. Binary Treeucup-team4883#TL 1ms4224kbC++142.0kb2024-11-09 17:08:372024-11-09 17:08:37

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 4224kb

input:

2
5
0 0
1 5
2 4
0 0
0 0
1
0
2
0 2
0 0
2

output:

? 3 5
? 2 1
! 2
? 1 2
! 2

result:

ok OK (2 test cases)

Test #2:

score: -100
Time Limit Exceeded

input:

5555
8
2 0
8 6
0 0
3 0
0 0
7 0
0 0
5 4
2
0
0
8
0 0
1 4
2 0
0 0
7 8
0 0
3 0
6 0
0
0
2
8
5 8
0 0
1 7
0 0
0 0
4 2
0 0
6 0
2
1

output:

? 6 8
? 4 5
? 4 3
! 4
? 7 2
? 8 7
? 8 6
! 6
? 3 8
? 8 2
? 6 0

result: