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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#173710#7178. Bishopsucup-team874#WA 25ms13736kbC++204.7kb2023-09-10 01:20:452023-09-10 01:20:46

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3740kb

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: 1ms
memory: 3676kb

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: 25ms
memory: 13708kb

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: 0
Accepted
time: 24ms
memory: 13736kb

input:

100000 99999

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: 99999, bishops: 199998

Test #5:

score: -100
Wrong Answer
time: 14ms
memory: 8636kb

input:

100000 50000

output:

100002
1 1
1 50000
2 1
2 50000
3 1
3 50000
4 1
4 50000
5 1
5 50000
6 1
6 50000
7 1
7 50000
8 1
8 50000
9 1
9 50000
10 1
10 50000
11 1
11 50000
12 1
12 50000
13 1
13 50000
14 1
14 50000
15 1
15 50000
16 1
16 50000
17 1
17 50000
18 1
18 50000
19 1
19 50000
20 1
20 50000
21 1
21 50000
22 1
22 50000
23 ...

result:

wrong answer Participant's answer is not optimal (100002 < 149998)