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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#199572#7178. Bishopsucup-team1281#WA 19ms6104kbC++20780b2023-10-04 13:05:382023-10-04 13:05:40

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3556kb

input:

2 5

output:

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

result:

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

Test #2:

score: 0
Accepted
time: 0ms
memory: 3556kb

input:

5 5

output:

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

result:

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

Test #3:

score: 0
Accepted
time: 19ms
memory: 5260kb

input:

100000 100000

output:

199998
1 1
100000 1
1 2
100000 2
1 3
100000 3
1 4
100000 4
1 5
100000 5
1 6
100000 6
1 7
100000 7
1 8
100000 8
1 9
100000 9
1 10
100000 10
1 11
100000 11
1 12
100000 12
1 13
100000 13
1 14
100000 14
1 15
100000 15
1 16
100000 16
1 17
100000 17
1 18
100000 18
1 19
100000 19
1 20
100000 20
1 21
100000...

result:

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

Test #4:

score: -100
Wrong Answer
time: 19ms
memory: 6104kb

input:

100000 99999

output:

199996
1 1
1 99999
2 1
2 99999
3 1
3 99999
4 1
4 99999
5 1
5 99999
6 1
6 99999
7 1
7 99999
8 1
8 99999
9 1
9 99999
10 1
10 99999
11 1
11 99999
12 1
12 99999
13 1
13 99999
14 1
14 99999
15 1
15 99999
16 1
16 99999
17 1
17 99999
18 1
18 99999
19 1
19 99999
20 1
20 99999
21 1
21 99999
22 1
22 99999
23 ...

result:

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