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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#183488#7178. BishopsZhaoZiLongWA 18ms5212kbC++171.7kb2023-09-19 16:10:462023-09-19 16:10:47

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3460kb

input:

2 5

output:

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

result:

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

Test #2:

score: 0
Accepted
time: 0ms
memory: 3424kb

input:

5 5

output:

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

result:

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

Test #3:

score: 0
Accepted
time: 17ms
memory: 3444kb

input:

100000 100000

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: 100000, bishops: 199998

Test #4:

score: 0
Accepted
time: 18ms
memory: 5096kb

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: 0
Accepted
time: 11ms
memory: 5212kb

input:

100000 50000

output:

149998
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: 50000, bishops: 149998

Test #6:

score: -100
Wrong Answer
time: 9ms
memory: 4168kb

input:

1 100000

output:

100000
1 1
1 100000
0 2
0 3
0 4
0 5
0 6
0 7
0 8
0 9
0 10
0 11
0 12
0 13
0 14
0 15
0 16
0 17
0 18
0 19
0 20
0 21
0 22
0 23
0 24
0 25
0 26
0 27
0 28
0 29
0 30
0 31
0 32
0 33
0 34
0 35
0 36
0 37
0 38
0 39
0 40
0 41
0 42
0 43
0 44
0 45
0 46
0 47
0 48
0 49
0 50
0 51
0 52
0 53
0 54
0 55
0 56
0 57
0 58
0 5...

result:

wrong answer Integer parameter [name=x] equals to 0, violates the range [1, 1]