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
#729714#9570. Binary Treeucup-team5630#RE 2ms29660kbC++202.2kb2024-11-09 17:40:392024-11-09 17:40:40

详细

Test #1:

score: 100
Accepted
time: 2ms
memory: 29660kb

input:

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

output:

? 1 4
? 5 1
! 2
? 1 2
! 2

result:

ok OK (2 test cases)

Test #2:

score: -100
Runtime Error

input:

5555
8
2 0
8 6
0 0
3 0
0 0
7 0
0 0
5 4
2
0
2
8
0 0
1 4
2 0
0 0
7 8
0 0
3 0
6 0
0
1
0
8
5 8
0 0
1 7
0 0
0 0
4 2
0 0
6 0
2
1
0
5
4 5
3 1
0 0
0 0
0 0
0
0
8
0 0
0 0
5 6
0 0
1 4
2 0
3 8
0 0
0
1
5
3 0
5 1
0 0
0 0
4 0
0
2
5
5 0
0 0
0 0
3 0
2 4
0
1
3
3 0
1 0
0 0
2
2
2 0
0 0
2
3
2 3
0 0
0 0
1
10
2 8
9 7
0 0
...

output:

? 7 3
? 5 3
? 8 5
! 5
? 1 6
? 3 1
? 2 4
! 2
? 7 2
? 4 2
? 6 8
! 6
? 4 3
? 5 4
! 5
? 1 2
? 4 1
! 5
? 3 4
? 1 3
! 3
? 1 3
? 2 1
! 5
? 3 2
! 2
? 1 2
! 2
? 3 2
! 1
? 8 3
? 10 8
? 9 10
! 10
? 1 2
! 1
? 6 4
? 1 6
? 2 6
! 6
? 9 2
? 10 2
? 6 2
! 2
? 1 5
? 4 5
? 6 5
! 3
? 1 2
! 1
? 1 2
? 7 1
! 7
? 7 3
? 1 7
...

result: