QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#705142#7733. Cool, It’s Yesterday Four Times MorezsyAC ✓2ms3840kbC++203.4kb2024-11-02 22:17:312024-11-02 22:18:21

Judging History

你现在查看的是最新测评结果

  • [2024-11-02 22:18:21]
  • 评测
  • 测评结果:AC
  • 用时:2ms
  • 内存:3840kb
  • [2024-11-02 22:17:31]
  • 提交

answer

//#pragma GCC optimize("O2")
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx,popK,sse4,abm")
#include <bits/stdc++.h>
//#define int long long
#define db double
#define out(x) cerr << #x << '=' << (x) << '\n'
#define out2(x, y) cerr << #x << '=' << (x) << ',' << #y << '=' << (y) << '\n'
#define sz(x) (int)x.size()
#define fr first
#define sc second
#define INF 0x3f3f3f3f
#define y1 yyyyyy
#define lowbit(x) ((x) & -(x))
#define PI (db)acos(-1.0)
#define eb emplace_back
#define pb push_back
#define PII pair<i64,i64>
#define wrong std::string::npos
using i64 =long long;
using i128=__int128;

constexpr int N=1e6+5;
constexpr db eps=1e-8;
constexpr std::array<int, 8> dx{0, 1, 0, -1, 1, 1, -1, -1};
constexpr std::array<int, 8> dy{1, 0, -1, 0, 1, -1, 1, -1};
constexpr i64 mod = 998244353;

i64 fpow(i64 x, i64 r)
{
    i64 result = 1;
    while (r)
    {
        if (r & 1)result = result * x % mod;
        r >>= 1;
        x = x * x % mod;
    }
    return result;
}

i64 fpow1(i64 x, i64 r,i64 p)
{
    i64 result = 1;
    while (r)
    {
        if (r & 1)result = result * x % p;
        r >>= 1;
        x = x * x % p;
    }
    return result;
}


i64 fpow2(i64 x, i64 r)
{
    i64 result = 1;
    while (r)
    {
        if (r & 1)result = result * x;
        r >>= 1;
        x = x * x;
    }
    return result;
}
i64 gcd(i64 a,i64 b)
{
    return b?gcd(b,a%b):a;
}


void solve()
{
    int n,m;
    std::cin>>n>>m;
    std::vector<std::string>g(n+1,"");
    for(int i=1;i<=n;i++)
    {
        std::string s;
        std::cin>>s;
        s=" "+s;
        g[i]=s;
    }
    int idx=0;
    std::vector<std::pair<int,int>>pos;
    std::vector<std::vector<int>>vis(n+1,std::vector<int>(m+1,0));
    auto bfs=[&](int x,int y) {
        std::queue<std::pair<int,int>>q;

        vis[x][y]=++idx;
        q.push({x,y});
        while (sz(q))
        {
            auto [xx,yy]=q.front();
            q.pop();
            pos.eb(xx-x,yy-y);
            for(int i=0;i<4;i++)
            {
                int nx=xx+dx[i],ny=yy+dy[i];
                if(nx<1||nx>n||ny>m||ny<1||vis[nx][ny]||g[nx][ny]=='O') continue;
                q.push({nx,ny});
                vis[nx][ny]=idx;
            }
        }
    };
    i64 res=0;
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=m;j++)
        {
            if(vis[i][j]||g[i][j]=='O') continue;
            bool f=1;
            pos.clear();
            bfs(i,j);

            for(int r=1;r<=n&&f;r++)
            {
                for(int c=1;c<=m&&f;c++)
                {
                    if(g[r][c]=='O'||vis[r][c]==idx) continue;
                    bool ok=1;
                    for(auto [x,y]:pos)
                    {
                        int nx=r+x,ny=c+y;
                        if(nx<1||nx>n||ny<1||ny>m||g[nx][ny]=='O')
                        {
                            ok=0;
                            break;
                        }
                    }
                    if(ok) f=0;
                }
            }
            if(f) res+=sz(pos);
        }
    }

    std::cout<<res<<'\n';
}

signed main()
{
    std::ios::sync_with_stdio(0);
    std::cin.tie(nullptr);
    std::cout.tie(nullptr);
    std::cout<<std::fixed<<std::setprecision(10);

    int _=1;
    std::cin>>_;
    while(_--) solve();

    return 0;
}

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: 0ms
memory: 3612kb

input:

4
2 5
.OO..
O..O.
1 3
O.O
1 3
.O.
2 3
OOO
OOO

output:

3
1
0
0

result:

ok 4 lines

Test #2:

score: 0
Accepted
time: 1ms
memory: 3620kb

input:

200
2 4
OOO.
OO..
2 3
OOO
.O.
3 3
O.O
OOO
OO.
4 1
.
.
O
O
1 2
.O
1 1
.
2 5
.OO..
.O.O.
2 1
O
O
1 1
O
1 3
.OO
5 1
O
O
.
O
.
5 2
O.
..
O.
.O
..
5 3
...
...
.OO
..O
OOO
3 5
..O.O
.O.O.
.OO.O
5 2
.O
OO
O.
O.
..
2 1
O
O
3 5
.O.OO
O...O
..OO.
1 5
.....
5 1
O
.
O
.
.
5 3
OOO
OO.
.OO
OO.
O.O
2 1
O
.
5 2
O.
...

output:

3
0
0
2
1
1
3
0
0
1
0
7
9
4
4
0
6
5
2
0
1
6
4
5
2
0
0
5
3
3
1
4
1
0
7
5
2
3
7
3
0
6
2
2
2
0
4
6
6
3
3
2
3
5
2
1
0
3
3
4
4
2
2
0
7
6
4
8
5
3
2
5
2
1
2
1
4
0
0
2
5
1
4
6
6
1
6
2
2
3
4
5
2
1
0
1
9
3
4
11
0
3
2
1
0
0
4
3
1
4
3
8
3
0
3
6
2
5
1
3
3
4
0
2
11
2
2
4
0
4
4
6
2
1
2
3
0
5
0
16
4
3
2
6
0
8
3
3
1...

result:

ok 200 lines

Test #3:

score: 0
Accepted
time: 1ms
memory: 3768kb

input:

50
10 9
OOOO.O...
O...O.OOO
.....O...
..OO..O.O
...O..O.O
..OOO..O.
..OOO...O
.OO.O..OO
.O.O.OO..
.O..O.O.O
10 10
.O.OOO.OO.
...OOOOOOO
...O.O..O.
.O.O..O...
.O.O.OO..O
..OO.O..OO
O....O..OO
OO...OOOOO
OO.OO.O..O
.O.O.OOOOO
10 8
O..OOO.O
O.OOOO..
O..OO.OO
OO..OO..
.OOO..O.
.OO.OO.O
OOO..OO.
..O..OO....

output:

31
40
13
25
40
37
27
29
20
26
25
29
21
29
21
31
32
31
33
34
25
31
18
25
41
28
20
45
20
29
18
21
27
28
35
13
20
17
32
29
28
23
23
23
24
18
28
17
35
24

result:

ok 50 lines

Test #4:

score: 0
Accepted
time: 1ms
memory: 3632kb

input:

5
1 1000
....O..OO..O..O..OO...OOO.OOOO.O...O....OOOOO.....OO..OOOO.O..O....OOOO..OO..OOOO......O.O.O..O..OO.OO.OO.O....O.O.O.O.O.OO..O.O.OO..O..OO..O.OOO...O...O.O.O..O....O.OO...O..O...O.OOO..OO.O..O.OO.O.O..OOOO..O.OO.O.O....O.OO.......OOOO....O.O.O.O..OOO.O.OO.OOO..O...O.O.O.O.OO.O.OOOO...O.OO.....

output:

7
380
294
373
291

result:

ok 5 lines

Test #5:

score: 0
Accepted
time: 1ms
memory: 3540kb

input:

200
1 1
.
2 5
OOOO.
OOOOO
3 2
O.
O.
OO
3 1
O
.
O
3 2
..
OO
OO
1 5
...OO
3 5
OOOOO
OOOOO
OOO.O
4 3
OOO
OOO
OO.
OO.
1 3
O.O
3 1
O
.
.
1 2
O.
3 3
OOO
O..
...
5 4
O.OO
..OO
O.OO
OOOO
OOOO
2 2
O.
OO
3 2
OO
OO
O.
4 4
OOO.
OO..
OO.O
...O
1 4
.OOO
4 3
O..
OOO
OOO
OOO
4 1
O
.
.
O
3 2
O.
OO
OO
5 3
OO.
OOO
OOO...

output:

1
1
2
1
2
3
1
2
1
2
1
5
4
1
1
7
1
2
2
1
1
6
0
1
1
5
1
1
2
1
3
8
1
2
1
3
2
10
4
1
3
1
2
1
1
1
1
1
2
1
1
2
2
4
3
1
2
7
4
1
4
1
1
1
2
1
2
1
7
1
1
1
1
1
3
1
1
2
4
1
4
1
1
1
1
1
1
1
1
1
3
7
1
1
2
5
1
3
7
1
9
2
9
4
4
0
12
6
4
6
2
0
8
6
3
4
16
5
4
5
2
7
1
0
0
1
4
2
9
0
2
3
7
6
13
7
10
11
4
2
13
5
8
8
0
16
...

result:

ok 200 lines

Test #6:

score: 0
Accepted
time: 1ms
memory: 3496kb

input:

50
7 9
OOOOOOO..
OOOOOOO..
OOO....OO
....OO..O
.O...OOOO
.....OOOO
OO...OOOO
8 8
.OO.O...
.O......
OOO.OOOO
OO..OOOO
..O.OO.O
O...OOOO
O..OOOOO
O..OOOOO
9 8
OO....OO
OO..OOOO
O..OOOOO
..O..OOO
.....O..
.....O..
OOOOOOOO
OOOOOOOO
.OOOOOOO
8 10
.O.OOOOOOO
...OO.OOOO
......OOOO
O..O....OO
O..OOO.O.O
O....

output:

22
23
22
35
33
15
21
23
24
16
29
15
29
40
23
30
6
25
37
23
25
33
19
12
34
43
44
21
51
29
35
67
22
53
33
53
32
46
50
48
42
45
31
46
45
30
48
53
54
43

result:

ok 50 lines

Test #7:

score: 0
Accepted
time: 1ms
memory: 3588kb

input:

5
1 1000
OO.OOO....O..OOOO..OOOOOOOOOOOOOOOOOOOOOOOOOOOO..OOOOOOOOOOO....OOOOOOOOOOOO...OO.OOOOOOOOOOOO.OOOOOOO....OOOOOOO......OOOOOOOOOOOOOOOOOOOOOOOO..OOO.O.OO..OO....OOOOOOOOO.OO.OOOOO.OOOOOOO....OOOOOOOO.OOOOO...OOOOOOOOOOOOOOOO.OOOOOOOOOOOOOOOOO.OOOOOOOOOOOOOOOOOOOOOOOOOOOO..OOOOOOOOOOOOOOOO.....

output:

0
355
363
384
280

result:

ok 5 lines

Test #8:

score: 0
Accepted
time: 1ms
memory: 3564kb

input:

5
1 1000
O.O...O................OOOO........OO..........OOOO....OO...O...OO....O...OO...O.............OOOOOO......................OOO......OO..........O...............O........................OO....................O..........O..........OO.......OOOO.O..OO...OOO....O.................................O...

output:

34
458
503
370
493

result:

ok 5 lines

Test #9:

score: 0
Accepted
time: 1ms
memory: 3636kb

input:

5
1 1000
O......OOO..O..OO.OO..................................................................................................................................................................................................................................................................................

output:

966
963
971
965
963

result:

ok 5 lines

Test #10:

score: 0
Accepted
time: 1ms
memory: 3840kb

input:

5
5 200
........................................................................................................................................................................................................
.....OO...OO.OO.O..O..O.OO.OO.OOO.O.OOO...OO.OO...O.O.OO.O.O...OO..OOO..OOOOOOO.OO.O..O.O.O...

output:

508
502
508
499
506

result:

ok 5 lines

Test #11:

score: 0
Accepted
time: 1ms
memory: 3628kb

input:

5
2 500
.....................................................................................................................................................................O.................................................................................................................................

output:

996
994
992
990
988

result:

ok 5 lines

Test #12:

score: 0
Accepted
time: 2ms
memory: 3560kb

input:

5
2 500
.........................................................................................................................................................................................................................................................O.............................................

output:

997
995
993
991
989

result:

ok 5 lines

Test #13:

score: 0
Accepted
time: 1ms
memory: 3588kb

input:

5
333 3
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
.O.
...

output:

667
667
667
667
667

result:

ok 5 lines

Test #14:

score: 0
Accepted
time: 1ms
memory: 3632kb

input:

5
200 5
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O.
.O.O...

output:

401
401
401
401
401

result:

ok 5 lines

Test #15:

score: 0
Accepted
time: 1ms
memory: 3620kb

input:

5
3 333
.......................................................................................................................................................................................................................................................................................................

output:

333
333
333
333
333

result:

ok 5 lines

Test #16:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

5
2 500
O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O....

output:

0
0
0
0
0

result:

ok 5 lines

Test #17:

score: 0
Accepted
time: 1ms
memory: 3652kb

input:

5
6 160
...O..O......O...O..O......O......O.O.O..O......O......O......O......O......O.....OO.O.O..O...O..O..O...O.OO..OO......O....O.O.....OO......O....O.OO..OO.O......
.O....O......O.O....O......O......O...OO.O......O.O.O..O......O......O......O......O......OO...O.O.OO...O......O......O......OO.......

output:

36
570
743
694
682

result:

ok 5 lines

Test #18:

score: 0
Accepted
time: 2ms
memory: 3636kb

input:

5
2 499
.........................................................................................................................................................................................................................................................O.............................................

output:

994
994
990
990
986

result:

ok 5 lines

Extra Test:

score: 0
Extra Test Passed