QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#325413#7733. Cool, It’s Yesterday Four Times More275307894a#AC ✓284ms37564kbC++142.1kb2024-02-11 10:17:532024-02-11 10:17:54

Judging History

你现在查看的是最新测评结果

  • [2024-02-11 10:17:54]
  • 评测
  • 测评结果:AC
  • 用时:284ms
  • 内存:37564kb
  • [2024-02-11 10:17:53]
  • 提交

answer

#include<bits/stdc++.h>
#define Gc() getchar()
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define eb emplace_back
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;
const int N=1e3+5,M=N*4+5,K=1000+5,mod=998244353,Mod=mod-1;const db eps=1e-9;const int INF=1e9+7;mt19937 rnd(263082);
#define Tp template<typename T>
#define Ts template<typename T,typename... Ar>
namespace Debug{
	Tp void _debug(char* f,T t){cerr<<f<<'='<<t<<endl;}
	Ts void _debug(char* f,T x,Ar... y){while(*f!=',') cerr<<*f++;cerr<<'='<<x<<",";_debug(f+1,y...);}
	#define gdb(...) _debug((char*)#__VA_ARGS__,__VA_ARGS__)
}using namespace Debug;
int n,m,vis[N][N];char s[N][N];
vector<pii> S[N][N];
void dfs(int x,int y,int sx,int sy){
	if(x<1||y<1||x>n||y>m||vis[x][y]||s[x][y]^'.') return;
	vis[x][y]=1;S[sx][sy].emplace_back(x-sx,y-sy);
	for(int ox:{-1,0,1}) for(int oy:{-1,0,1}) if(!(ox*oy)) dfs(x+ox,y+oy,sx,sy);
}
int CK(int sx,int sy,int tx,int ty){
	for(auto i:S[sx][sy]){
		auto p=LB(S[tx][ty].begin(),S[tx][ty].end(),i);
		if(p==S[tx][ty].end()||(*p)!=i) return 0;
	} 
	return 1;
}
void Solve(){
	int i,j;scanf("%d%d",&n,&m);
	for(i=1;i<=n;i++) scanf("%s",s[i]+1);
	int ans=0;
	for(i=1;i<=n;i++) for(j=1;j<=m;j++) if(s[i][j]=='.'){
		for(int x=1;x<=n;x++) fill(vis[x]+1,vis[x]+m+1,0);
		S[i][j].clear();dfs(i,j,i,j);
		sort(S[i][j].begin(),S[i][j].end());
		ans++;
	}
	for(i=1;i<=n;i++) fill(vis[i]+1,vis[i]+m+1,0);
	for(i=1;i<=n;i++) for(j=1;j<=m;j++)if(!vis[i][j]&&s[i][j]=='.'){
		int flag=0;
		for(int x=1;x<=n&&!flag;x++) for(int y=1;y<=m&&!flag;y++) if((i^x||j^y)&&s[x][y]=='.'&&CK(i,j,x,y)) flag=1;
		if(flag) ans-=S[i][j].size();
		for(auto p:S[i][j]) vis[i+p.fi][j+p.se]=1;
	}
	printf("%d\n",ans);
}
int main(){
	int t=1;
	scanf("%d",&t);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\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: 3ms
memory: 27672kb

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: 3ms
memory: 27628kb

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: 4ms
memory: 27760kb

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: 14ms
memory: 29528kb

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: 3ms
memory: 27656kb

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: 4ms
memory: 27772kb

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: 7ms
memory: 29908kb

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: 17ms
memory: 31688kb

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: 284ms
memory: 35512kb

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: 76ms
memory: 30316kb

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: 149ms
memory: 33592kb

input:

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

output:

996
994
992
990
988

result:

ok 5 lines

Test #12:

score: 0
Accepted
time: 136ms
memory: 31804kb

input:

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

output:

997
995
993
991
989

result:

ok 5 lines

Test #13:

score: 0
Accepted
time: 89ms
memory: 34036kb

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: 45ms
memory: 30640kb

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: 57ms
memory: 30428kb

input:

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

output:

333
333
333
333
333

result:

ok 5 lines

Test #16:

score: 0
Accepted
time: 4ms
memory: 28216kb

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: 20ms
memory: 28944kb

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: 115ms
memory: 37564kb

input:

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

output:

994
994
990
990
986

result:

ok 5 lines

Extra Test:

score: 0
Extra Test Passed