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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#106191#6394. Turn on the LightSylvia#TL 19ms7992kbPython3331b2023-05-16 20:29:432023-05-16 20:29:46

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-05-16 20:29:46]
  • 评测
  • 测评结果:TL
  • 用时:19ms
  • 内存:7992kb
  • [2023-05-16 20:29:43]
  • 提交

answer

import sys

n = int(input())

for x in range(1, n+1):
    print("? {}".format(x))
    sys.stdout.flush()
    reply = int(input())
    if reply == x:
        # 接着跑吧
        pass
    elif reply == x-1:
        # 就在x这里
        print("! {}".format(x))
        break
    # 不太可能有其他答案了

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 15ms
memory: 7852kb

input:

3
1
2
2

output:

? 1
? 2
? 3
! 3

result:

ok Correct position at 3

Test #2:

score: 0
Accepted
time: 10ms
memory: 7992kb

input:

10
1
2
3
4
5
6
7
8
8

output:

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

result:

ok Correct position at 9

Test #3:

score: 0
Accepted
time: 14ms
memory: 7828kb

input:

9
1
2
3
4
5
6
7
7

output:

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

result:

ok Correct position at 8

Test #4:

score: 0
Accepted
time: 9ms
memory: 7852kb

input:

8
1
2
3
4
5
6
6

output:

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

result:

ok Correct position at 7

Test #5:

score: 0
Accepted
time: 19ms
memory: 7968kb

input:

7
1
2
3
4
5
5

output:

? 1
? 2
? 3
? 4
? 5
? 6
! 6

result:

ok Correct position at 6

Test #6:

score: 0
Accepted
time: 19ms
memory: 7972kb

input:

6
1
2
3
4
5
5

output:

? 1
? 2
? 3
? 4
? 5
? 6
! 6

result:

ok Correct position at 6

Test #7:

score: 0
Accepted
time: 12ms
memory: 7924kb

input:

5
1
2
3
3

output:

? 1
? 2
? 3
? 4
! 4

result:

ok Correct position at 4

Test #8:

score: 0
Accepted
time: 12ms
memory: 7968kb

input:

4
1
2
3
3

output:

? 1
? 2
? 3
? 4
! 4

result:

ok Correct position at 4

Test #9:

score: 0
Accepted
time: 13ms
memory: 7784kb

input:

3
1
1

output:

? 1
? 2
! 2

result:

ok Correct position at 2

Test #10:

score: 0
Accepted
time: 9ms
memory: 7972kb

input:

2
1
1

output:

? 1
? 2
! 2

result:

ok Correct position at 2

Test #11:

score: 0
Accepted
time: 13ms
memory: 7896kb

input:

1
0

output:

? 1
! 1

result:

ok Correct position at 1

Test #12:

score: -100
Time Limit Exceeded

input:

1000000
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
...

output:

? 1
? 2
? 3
? 4
? 5
? 6
? 7
? 8
? 9
? 10
? 11
? 12
? 13
? 14
? 15
? 16
? 17
? 18
? 19
? 20
? 21
? 22
? 23
? 24
? 25
? 26
? 27
? 28
? 29
? 30
? 31
? 32
? 33
? 34
? 35
? 36
? 37
? 38
? 39
? 40
? 41
? 42
? 43
? 44
? 45
? 46
? 47
? 48
? 49
? 50
? 51
? 52
? 53
? 54
? 55
? 56
? 57
? 58
? 59
? 60
? 61
? 62...

result: