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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
#794833#9570. Binary Treeucup-team6089#TL 1ms6104kbC++144.8kb2024-11-30 16:19:452024-11-30 16:19:45

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 6104kb

input:

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

output:

? 5 3
? 3 4
! 3
? 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
0
2
0
8
0 0
1 4
2 0
0 0
7 8
0 0
3 0
6 0
0

output:

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

result: