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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#485910#7178. BishopsHuangHanShengRE 67ms9092kbC++201.6kb2024-07-21 12:17:522024-07-21 12:17:52

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3672kb

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: 3732kb

input:

5 5

output:

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

result:

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

Test #3:

score: 0
Accepted
time: 39ms
memory: 7796kb

input:

100000 100000

output:

199998
1 1
1 100000
2 1
2 100000
3 1
3 100000
4 1
4 100000
5 1
5 100000
6 1
6 100000
7 1
7 100000
8 1
8 100000
9 1
9 100000
10 1
10 100000
11 1
11 100000
12 1
12 100000
13 1
13 100000
14 1
14 100000
15 1
15 100000
16 1
16 100000
17 1
17 100000
18 1
18 100000
19 1
19 100000
20 1
20 100000
21 1
21 100...

result:

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

Test #4:

score: 0
Accepted
time: 67ms
memory: 9092kb

input:

100000 99999

output:

199998
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 ...

result:

ok n: 100000, m: 99999, bishops: 199998

Test #5:

score: -100
Runtime Error

input:

100000 50000

output:


result: