QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#697975#7733. Cool, It’s Yesterday Four Times Moreucup-team3474AC ✓364ms74808kbC++203.6kb2024-11-01 16:40:462024-11-01 16:40:46

Judging History

你现在查看的是最新测评结果

  • [2024-11-01 16:40:46]
  • 评测
  • 测评结果:AC
  • 用时:364ms
  • 内存:74808kb
  • [2024-11-01 16:40:46]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=1e7+10;
typedef pair<int,int> PII;
typedef long long ll;
typedef unsigned long long ull;
ll n,m,k;
char s[1010][1010];
int tf[1010][1010];
int mp[N];
int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1};

int state(int x,int y,int xx,int yy){
    int ans=x;
    ans=ans*(m+2)+y;
    ans=ans*(n+2)+xx;
    ans=ans*(m+2)+yy;
    // cout<<ans<<endl;
    return ans;
}

// int dfs(int x,int y,int xx,int yy){
//     array<int,4> a4={x,y,xx,yy};
//     if(mp.count(a4)) return mp[a4];
//     if(tf[x][y]==1&&tf[xx][yy]==0){
//         mp[a4]=1;
//         return 1;
//     }
//     if(tf[x][y]==0){
//         mp[a4]=0;
//         return 0;
//     }
//     mp[a4]=0;
//     for(int i=0;i<4;i++){
//         int ux=x+dx[i],uy=y+dy[i];
//         int uxx=xx+dx[i],uyy=yy+dy[i];
        
//         mp[a4]=max(mp[a4],dfs(ux,uy,uxx,uyy));
//         cout<<x<<" "<<y<<" "<<xx<<" "<<yy<<" "<<dfs(ux,uy,uxx,uyy)<<endl;
//     }
//     // cout<<x<<" "<<y<<" "<<xx<<" "<<yy<<" "<<mp[a4]<<endl;
//     return mp[a4];
// }


// void bfs(){
//     queue<array<int,4>> q;
//     for(auto [x,y]:mp) if(y==1) q.push(x);
//     while(q.size()){
//         auto t=q.front();
//         q.pop();
//         for(int i=0;i<4;i++){
//             int x=t[0]+dx[i],y=t[1]+dy[i],xx=t[2]+dx[i],yy=t[3]+dy[i];
//             if(!mp.count({x,y,xx,yy})&&x>=0&&y>=0&&x<=n+1&&y<=m+1&&xx>=0&&yy>=0&&xx<=n+1&&yy<=m+1){
//                 mp[{x,y,xx,yy}]=1;
//                 q.push({x,y,xx,yy});
//             }
//         }
//     }
// }

void __(){
    // memset(mp,-1,sizeof mp);
    scanf("%lld%lld",&n,&m);
    // mp.clear();
    for(int i=1;i<=n;i++) scanf("%s",s[i]+1);
    
    for(int i=0;i<=n+1;i++){
        for(int j=0;j<=m+1;j++){
            tf[i][j]=0;
        } 
    }
    for(int i=0;i<=(n+2)*(n+2)*(m+2)*(m+2);i++) mp[i]=-1;
    vector<PII> v;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            if(s[i][j]=='O') tf[i][j]=0;
            else{
                v.push_back({i,j}); 
                tf[i][j]=1;
            }
        }
    }
    int ans=0;
    queue<array<int,4>> q;
    for(int i=0;i<=n+1;i++){
        for(int j=0;j<=m+1;j++){
            for(int ii=0;ii<=n+1;ii++){
                for(int jj=0;jj<=m+1;jj++){
                    if(tf[i][j]==1&&tf[ii][jj]==0){
                        mp[state(i,j,ii,jj)]=1;
                        q.push({i,j,ii,jj});
                    } 
                    if(tf[i][j]==0) mp[state(i,j,ii,jj)]=0;
                }
            }
        }
    }
    // bfs();
    while(q.size()){
        auto t=q.front();
        q.pop();
        // for(int i=0;i<4;i++) cout<<t[i]<<" ";
        // cout<<endl;
        for(int i=0;i<4;i++){
            int x=t[0]+dx[i],y=t[1]+dy[i],xx=t[2]+dx[i],yy=t[3]+dy[i];
            if(mp[state(x,y,xx,yy)]==-1&&x>=0&&y>=0&&x<=n+1&&y<=m+1&&xx>=0&&yy>=0&&xx<=n+1&&yy<=m+1){
                mp[state(x,y,xx,yy)]=1;
                q.push({x,y,xx,yy});
            }
        }
    }
    for(int i=0;i<v.size();i++){
        int flag=1;
        for(int j=0;j<v.size();j++){
            if(i==j) continue;
            int a4=state(v[i].first,v[i].second,v[j].first,v[j].second);
            // if(!dfs(v[i].first,v[i].second,v[j].first,v[j].second)) flag=0;
            
            if(mp[a4]!=1){
                flag=0;
            } 
        }
        ans+=flag;
    }
    printf("%d\n",ans);
    
}

signed main()
{  
    int _;
    cin>>_;
    while(_--){
        __();
    }
}

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: 7920kb

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: 2ms
memory: 5900kb

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: 3ms
memory: 8040kb

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: 100ms
memory: 68208kb

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: 0ms
memory: 7944kb

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: 6ms
memory: 6116kb

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: 74ms
memory: 53020kb

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: 134ms
memory: 72464kb

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: 364ms
memory: 74808kb

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: 103ms
memory: 24532kb

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: 210ms
memory: 38548kb

input:

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

output:

996
994
992
990
988

result:

ok 5 lines

Test #12:

score: 0
Accepted
time: 205ms
memory: 41668kb

input:

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

output:

997
995
993
991
989

result:

ok 5 lines

Test #13:

score: 0
Accepted
time: 121ms
memory: 31480kb

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: 85ms
memory: 26880kb

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: 112ms
memory: 31444kb

input:

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

output:

333
333
333
333
333

result:

ok 5 lines

Test #16:

score: 0
Accepted
time: 38ms
memory: 36556kb

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: 114ms
memory: 19596kb

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: 207ms
memory: 43724kb

input:

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

output:

994
994
990
990
986

result:

ok 5 lines

Extra Test:

score: 0
Extra Test Passed