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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#171346#7178. Bishopsucup-team980#WA 161ms25408kbC++20576b2023-09-09 16:50:352023-09-09 16:50:36

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3436kb

input:

2 5

output:

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

result:

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

Test #2:

score: 0
Accepted
time: 1ms
memory: 3400kb

input:

5 5

output:

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

result:

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

Test #3:

score: 0
Accepted
time: 161ms
memory: 25408kb

input:

100000 100000

output:

199998
1 1
100000 1
1 2
100000 2
1 99999
100000 99999
1 3
100000 3
1 99998
100000 99998
1 4
100000 4
1 99997
100000 99997
1 5
100000 5
1 99996
100000 99996
1 6
100000 6
1 99995
100000 99995
1 7
100000 7
1 99994
100000 99994
1 8
100000 8
1 99993
100000 99993
1 9
100000 9
1 99992
100000 99992
1 10
100...

result:

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

Test #4:

score: -100
Wrong Answer
time: 157ms
memory: 25404kb

input:

100000 99999

output:

199996
1 1
1 99999
100000 1
100000 99999
3 1
3 99999
99998 1
99998 99999
4 1
4 99999
99997 1
99997 99999
5 1
5 99999
99996 1
99996 99999
6 1
6 99999
99995 1
99995 99999
7 1
7 99999
99994 1
99994 99999
8 1
8 99999
99993 1
99993 99999
9 1
9 99999
99992 1
99992 99999
10 1
10 99999
99991 1
99991 99999
1...

result:

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