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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#174164#7178. Bishopsucup-team314#WA 13ms5272kbC++231.4kb2023-09-10 04:54:312023-09-10 04:54:31

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3848kb

input:

2 5

output:

6
1 1
1 3
1 5
2 1
2 3
2 5

result:

ok n: 2, m: 5, bishops: 6

Test #2:

score: 0
Accepted
time: 1ms
memory: 3624kb

input:

5 5

output:

8
1 1
1 3
5 3
1 5
5 2
1 2
5 4
1 4

result:

ok n: 5, m: 5, bishops: 8

Test #3:

score: 0
Accepted
time: 9ms
memory: 5192kb

input:

100000 100000

output:

199998
1 1
100000 2
1 3
100000 4
1 5
100000 6
1 7
100000 8
1 9
100000 10
1 11
100000 12
1 13
100000 14
1 15
100000 16
1 17
100000 18
1 19
100000 20
1 21
100000 22
1 23
100000 24
1 25
100000 26
1 27
100000 28
1 29
100000 30
1 31
100000 32
1 33
100000 34
1 35
100000 36
1 37
100000 38
1 39
100000 40
1 ...

result:

ok n: 100000, m: 100000, bishops: 199998

Test #4:

score: -100
Wrong Answer
time: 13ms
memory: 5272kb

input:

100000 99999

output:

199996
1 1
3 1
3 99999
5 1
5 99999
7 1
7 99999
9 1
9 99999
11 1
11 99999
13 1
13 99999
15 1
15 99999
17 1
17 99999
19 1
19 99999
21 1
21 99999
23 1
23 99999
25 1
25 99999
27 1
27 99999
29 1
29 99999
31 1
31 99999
33 1
33 99999
35 1
35 99999
37 1
37 99999
39 1
39 99999
41 1
41 99999
43 1
43 99999
45 ...

result:

wrong answer Participant's answer is not optimal (199996 < 199998)