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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#244755#7178. Bishopsstd_abs#AC ✓19ms5204kbC++171.0kb2023-11-09 15:23:052023-11-09 15:23:07

Judging History

你现在查看的是最新测评结果

  • [2023-11-09 15:23:07]
  • 评测
  • 测评结果:AC
  • 用时:19ms
  • 内存:5204kb
  • [2023-11-09 15:23:05]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define pb push_back
#define all(a) a.begin(), a.end()
#define sz(a) ((int)a.size())
const int mod = 998244353, N = 100005;

int n,m;
bool rev;

int main() {
    ios::sync_with_stdio(false), cin.tie(0);
    cin >> n >> m;
    if(n>m) swap(n,m),rev^=1;
    vector<pii> res;
    if(n==m){
        for(int i=1; i<=n; ++i) res.pb({i,1});
        for(int i=2; i<=n-1; ++i) res.pb({i,m});
    }
    else if(n%2){
        for(int i=1; i<=n; ++i) res.pb({i,1}),res.pb({i,m});
        int k=(n+1)/2;
        for(int j=k+1; j<=m-k; ++j) res.pb({k,j});
    }
    else{
        for(int i=1; i<=n; ++i) res.pb({i,1});
        int k=(m-1)%n/2;
        for(int i=n/2-k+1; i<=n/2+k; ++i) res.pb({i,1+n/2+k});
        for(int i=1; i<=n; ++i) for(int j=1+n+k*2; j<=m; j+=n) res.pb({i,j});
    }
    if(rev){
        for(auto &[x,y]: res) swap(x,y);
    }
    cout << sz(res) << "\n";
    for(auto [i,j]: res) cout << i << ' ' << j << "\n";
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3360kb

input:

2 5

output:

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

result:

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

Test #2:

score: 0
Accepted
time: 0ms
memory: 3412kb

input:

5 5

output:

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

result:

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

Test #3:

score: 0
Accepted
time: 19ms
memory: 5112kb

input:

100000 100000

output:

199998
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
61...

result:

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

Test #4:

score: 0
Accepted
time: 19ms
memory: 5120kb

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: 7ms
memory: 5140kb

input:

100000 50000

output:

149998
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: 50000, bishops: 149998

Test #6:

score: 0
Accepted
time: 9ms
memory: 4164kb

input:

1 100000

output:

100000
1 1
1 100000
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 5...

result:

ok n: 1, m: 100000, bishops: 100000

Test #7:

score: 0
Accepted
time: 13ms
memory: 5116kb

input:

34535 99889

output:

134423
1 1
1 99889
2 1
2 99889
3 1
3 99889
4 1
4 99889
5 1
5 99889
6 1
6 99889
7 1
7 99889
8 1
8 99889
9 1
9 99889
10 1
10 99889
11 1
11 99889
12 1
12 99889
13 1
13 99889
14 1
14 99889
15 1
15 99889
16 1
16 99889
17 1
17 99889
18 1
18 99889
19 1
19 99889
20 1
20 99889
21 1
21 99889
22 1
22 99889
23 ...

result:

ok n: 34535, m: 99889, bishops: 134423

Test #8:

score: 0
Accepted
time: 7ms
memory: 4072kb

input:

12231 97889

output:

110119
1 1
1 97889
2 1
2 97889
3 1
3 97889
4 1
4 97889
5 1
5 97889
6 1
6 97889
7 1
7 97889
8 1
8 97889
9 1
9 97889
10 1
10 97889
11 1
11 97889
12 1
12 97889
13 1
13 97889
14 1
14 97889
15 1
15 97889
16 1
16 97889
17 1
17 97889
18 1
18 97889
19 1
19 97889
20 1
20 97889
21 1
21 97889
22 1
22 97889
23 ...

result:

ok n: 12231, m: 97889, bishops: 110119

Test #9:

score: 0
Accepted
time: 11ms
memory: 4156kb

input:

10000 100000

output:

109998
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
61...

result:

ok n: 10000, m: 100000, bishops: 109998

Test #10:

score: 0
Accepted
time: 9ms
memory: 4068kb

input:

13 99999

output:

100011
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
7 8
7 9
7 10
7 11
7 12
7 13
7 14
7 15
7 16
7 17
7 18
7 19
7 20
7 21
7 22
7 23
7 24
7 25
7 26
7 27
7 28
7 29
7 30
7 31
7 32
7 33
7...

result:

ok n: 13, m: 99999, bishops: 100011

Test #11:

score: 0
Accepted
time: 6ms
memory: 4040kb

input:

21 99999

output:

100019
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
11 12
11 13
11 14...

result:

ok n: 21, m: 99999, bishops: 100019

Test #12:

score: 0
Accepted
time: 15ms
memory: 5116kb

input:

49999 100000

output:

149998
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: 49999, m: 100000, bishops: 149998

Test #13:

score: 0
Accepted
time: 13ms
memory: 5164kb

input:

33333 99999

output:

133331
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:

ok n: 33333, m: 99999, bishops: 133331

Test #14:

score: 0
Accepted
time: 4ms
memory: 4064kb

input:

23342 98876

output:

122216
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
61...

result:

ok n: 23342, m: 98876, bishops: 122216

Test #15:

score: 0
Accepted
time: 7ms
memory: 5116kb

input:

56713 91234

output:

147946
1 1
1 91234
2 1
2 91234
3 1
3 91234
4 1
4 91234
5 1
5 91234
6 1
6 91234
7 1
7 91234
8 1
8 91234
9 1
9 91234
10 1
10 91234
11 1
11 91234
12 1
12 91234
13 1
13 91234
14 1
14 91234
15 1
15 91234
16 1
16 91234
17 1
17 91234
18 1
18 91234
19 1
19 91234
20 1
20 91234
21 1
21 91234
22 1
22 91234
23 ...

result:

ok n: 56713, m: 91234, bishops: 147946

Test #16:

score: 0
Accepted
time: 19ms
memory: 5056kb

input:

99995 99995

output:

199988
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
61...

result:

ok n: 99995, m: 99995, bishops: 199988

Test #17:

score: 0
Accepted
time: 3ms
memory: 4088kb

input:

12345 54321

output:

66665
1 1
1 54321
2 1
2 54321
3 1
3 54321
4 1
4 54321
5 1
5 54321
6 1
6 54321
7 1
7 54321
8 1
8 54321
9 1
9 54321
10 1
10 54321
11 1
11 54321
12 1
12 54321
13 1
13 54321
14 1
14 54321
15 1
15 54321
16 1
16 54321
17 1
17 54321
18 1
18 54321
19 1
19 54321
20 1
20 54321
21 1
21 54321
22 1
22 54321
23 1...

result:

ok n: 12345, m: 54321, bishops: 66665

Test #18:

score: 0
Accepted
time: 17ms
memory: 5204kb

input:

90000 92000

output:

181998
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
61...

result:

ok n: 90000, m: 92000, bishops: 181998

Test #19:

score: 0
Accepted
time: 5ms
memory: 4144kb

input:

10000 70000

output:

79998
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
61 ...

result:

ok n: 10000, m: 70000, bishops: 79998

Test #20:

score: 0
Accepted
time: 12ms
memory: 4100kb

input:

10000 70001

output:

80000
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
61 ...

result:

ok n: 10000, m: 70001, bishops: 80000

Test #21:

score: 0
Accepted
time: 6ms
memory: 4048kb

input:

10000 80000

output:

89998
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
61 ...

result:

ok n: 10000, m: 80000, bishops: 89998

Test #22:

score: 0
Accepted
time: 9ms
memory: 4068kb

input:

10000 80001

output:

90000
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
61 ...

result:

ok n: 10000, m: 80001, bishops: 90000

Test #23:

score: 0
Accepted
time: 9ms
memory: 4064kb

input:

10000 80002

output:

90000
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
61 ...

result:

ok n: 10000, m: 80002, bishops: 90000

Test #24:

score: 0
Accepted
time: 9ms
memory: 4096kb

input:

10000 79999

output:

89998
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
61 ...

result:

ok n: 10000, m: 79999, bishops: 89998

Test #25:

score: 0
Accepted
time: 6ms
memory: 4100kb

input:

10000 79998

output:

89996
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
61 ...

result:

ok n: 10000, m: 79998, bishops: 89996

Test #26:

score: 0
Accepted
time: 5ms
memory: 4068kb

input:

11111 100000

output:

111110
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: 11111, m: 100000, bishops: 111110

Test #27:

score: 0
Accepted
time: 0ms
memory: 3416kb

input:

1 1

output:

1
1 1

result:

ok n: 1, m: 1, bishops: 1

Extra Test:

score: 0
Extra Test Passed