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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#534629#5112. Where Am I?ship2077AC ✓24ms9788kbC++141.8kb2024-08-27 14:36:082024-08-27 14:36:09

Judging History

你现在查看的是最新测评结果

  • [2024-08-27 14:36:09]
  • 评测
  • 测评结果:AC
  • 用时:24ms
  • 内存:9788kb
  • [2024-08-27 14:36:08]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
constexpr int M=110,mod=998244353;
constexpr int e[4][2]={{-1,0},{0,1},{1,0},{0,-1}};
vector<int>str[M*M];bool vis[M][M];char s[M];vector<pair<int,int>>ans;
int n,m,k,mx,num,res,f[M*M],g[M*M],x[M],y[M],id[M*M],calc[M*3][M*3];long long sum;
int read(){
	int x=0;char ch=getchar();
	while (!isdigit(ch)) ch=getchar();
	while (isdigit(ch)) x=x*10+ch-48,ch=getchar();
	return x;
}
void init(){ mx=max(n,m)+5;
	int x=mx,y=mx,d=0,cnt=0,tot=1,tmp=0;
	calc[x][y]=0;
	for (int k=1;;k++){
		x+=e[d][0];y+=e[d][1];cnt++;
		if (x<0||y<0||x>mx*2||y>mx*2) return ;calc[x][y]=k;
		if (cnt==tot) tmp++,cnt=0,d=d==3?0:d+1;
		if (tmp==2) tot++,tmp=0;
	}
}
bool cmp(int x,int y){
	for (int i=0;i<k;i++)
		if (str[x][i]<str[y][i])
			return 1;
		else if (str[x][i]>str[y][i])
			return 0;
}
int main(){
	scanf("%d%d",&m,&n);init();
	for (int i=1;i<=n;i++){
		scanf("%s",s+1);
		for (int j=1;j<=m;j++)
			if (s[j]=='X')
				x[++k]=i,y[k]=j;
	}
	for (int i=1;i<=n;i++)
		for (int j=1;j<=m;j++){ ++num;
			for (int l=1;l<=k;l++)
				str[num].push_back(calc[x[l]-i+mx][y[l]-j+mx]);
			sort(str[num].begin(),str[num].end());
		} 
	iota(id+1,id+1+num,1);
	sort(id+1,id+1+num,cmp);
	for (int i=2;i<=num;i++)
		for (int j=0;j<k;j++)
			if (str[id[i]][j]!=str[id[i-1]][j]){
				g[i]=str[id[i-1]][j];break;
			}
	for (int i=1;i<=num;i++){
		f[i]=max(g[i+1],g[i]);
		sum+=f[i];res=max(res,f[i]);
	}
	printf("%.9lf\n%d\n",sum/(double)(n*m),res);
	for (int i=1;i<=num;i++)
		if (f[i]==res){
			const int x=(id[i]-1)/m+1,y=(id[i]-1)%m+1;
			ans.push_back({n+1-x,y});
		}
	sort(ans.begin(),ans.end());
	printf("(%d,%d)",ans[0].second,ans[0].first);
	for (int i=1;i<ans.size();i++)
		printf(" (%d,%d)",ans[i].second,ans[i].first);
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 4208kb

input:

1 1
X

output:

0.000000000
0
(1,1)

result:

ok correct!

Test #2:

score: 0
Accepted
time: 0ms
memory: 4220kb

input:

2 1
.X

output:

0.000000000
0
(1,1) (2,1)

result:

ok correct!

Test #3:

score: 0
Accepted
time: 0ms
memory: 4168kb

input:

2 1
X.

output:

0.000000000
0
(1,1) (2,1)

result:

ok correct!

Test #4:

score: 0
Accepted
time: 0ms
memory: 4228kb

input:

1 2
.
X

output:

0.000000000
0
(1,1) (1,2)

result:

ok correct!

Test #5:

score: 0
Accepted
time: 0ms
memory: 4148kb

input:

1 2
X
.

output:

0.000000000
0
(1,1) (1,2)

result:

ok correct!

Test #6:

score: 0
Accepted
time: 0ms
memory: 4232kb

input:

2 1
XX

output:

3.000000000
3
(1,1) (2,1)

result:

ok correct!

Test #7:

score: 0
Accepted
time: 0ms
memory: 4260kb

input:

3 3
XXX
X.X
XXX

output:

3.111111111
5
(3,1) (3,2)

result:

ok correct!

Test #8:

score: 0
Accepted
time: 8ms
memory: 9744kb

input:

100 100
..X....X....X....X....X....X....X....X....X....X....X....X....X....X....X....X....X....X....X....X..
....................................................................................................
X............................................................................................

output:

4757.947100000
9704
(50,1) (50,100)

result:

ok correct!

Test #9:

score: 0
Accepted
time: 2ms
memory: 4960kb

input:

100 100
X...................................................................................................
....................................................................................................
.............................................................................................

output:

19735.319900000
39599
(100,1) (100,2)

result:

ok correct!

Test #10:

score: 0
Accepted
time: 2ms
memory: 4900kb

input:

100 100
....................................................................................................
....................................................................................................
.............................................................................................

output:

19865.669900000
39500
(100,1) (100,2)

result:

ok correct!

Test #11:

score: 0
Accepted
time: 11ms
memory: 9768kb

input:

100 100
X...................................................................................................
.X..................................................................................................
..X..........................................................................................

output:

11855.639200000
39302
(100,99) (99,100)

result:

ok correct!

Test #12:

score: 0
Accepted
time: 11ms
memory: 9752kb

input:

100 100
...................................................................................................X
..................................................................................................X.
.............................................................................................

output:

11854.609800000
39104
(1,99) (2,100)

result:

ok correct!

Test #13:

score: 0
Accepted
time: 3ms
memory: 5180kb

input:

20 73
...........X........
.X..................
....................
X.....X........X....
......X........X....
....................
....................
.X..................
....................
...........X........
.X..................
X...................
.......X........X...
.X....X........X....
...

output:

50.097945205
80
(7,6) (16,6) (20,12) (7,15) (16,15) (7,24) (16,24) (7,33) (16,33) (7,42) (16,42) (19,46) (12,47) (20,47) (7,51) (16,51) (12,56) (19,56) (7,60) (16,60) (20,65) (20,67) (7,69) (16,69)

result:

ok correct!

Test #14:

score: 0
Accepted
time: 4ms
memory: 6324kb

input:

65 57
..............X..................................................
.................................................................
.........................................................X.......
........X.........X..............................................
..X.....X........................

output:

100.711201080
742
(1,1) (2,1)

result:

ok correct!

Test #15:

score: 0
Accepted
time: 1ms
memory: 4612kb

input:

56 59
........................................................
........................................................
........................................................
........................................................
........................................................
X...........

output:

494.497881356
1503
(56,38) (56,39)

result:

ok correct!

Test #16:

score: 0
Accepted
time: 3ms
memory: 6488kb

input:

46 83
..........X...X.................X.............
..............................X...............
...X..........................................
.....................................X........
...X...........................X...X..........
.X............................................
...............

output:

122.545311682
387
(1,19) (19,32)

result:

ok correct!

Test #17:

score: 0
Accepted
time: 5ms
memory: 5952kb

input:

51 57
........................X..........................
............................X......................
....................X.............X................
..................................................X
...................................................
.........................X...........

output:

103.487444100
334
(10,57) (11,57)

result:

ok correct!

Test #18:

score: 0
Accepted
time: 3ms
memory: 5264kb

input:

64 91
................................................................
................................................................
................................................................
................................................................
.....................................

output:

480.572973901
1215
(64,71) (63,91)

result:

ok correct!

Test #19:

score: 0
Accepted
time: 7ms
memory: 5980kb

input:

75 40
.............................................X............X................
....................X..............................X.......................
...........................................X...........X...........X.......
...........................................X.....X......X............

output:

79.149333333
319
(1,39) (1,40)

result:

ok correct!

Test #20:

score: 0
Accepted
time: 7ms
memory: 5968kb

input:

97 54
.............X...................................................................................
..................................X..............................................................
....X............................................................................................
...

output:

383.808323788
1084
(93,9) (51,51)

result:

ok correct!

Test #21:

score: 0
Accepted
time: 6ms
memory: 5664kb

input:

89 49
...............X...........X.............................................................
.............................................................X..X...........X............
.................................X.......................................................
...........................

output:

161.070167393
520
(89,1) (2,41)

result:

ok correct!

Test #22:

score: 0
Accepted
time: 5ms
memory: 5688kb

input:

80 55
.............................................................X..................
................................................................................
.................................................................XX.............
..............................................X.......

output:

176.083181818
611
(80,2) (79,37)

result:

ok correct!

Test #23:

score: 0
Accepted
time: 3ms
memory: 4860kb

input:

61 59
...........X.................................................
.............................................................
.......................................................X.....
.............................................................
...............................X.................

output:

291.706029453
860
(1,1) (1,50)

result:

ok correct!

Test #24:

score: 0
Accepted
time: 4ms
memory: 5428kb

input:

48 74
....X.X.X.......................................
...............X.....X...X......................
..........................................X.....
................................................
................................................
.......X........................................
...

output:

152.161880631
512
(48,9) (48,67)

result:

ok correct!

Test #25:

score: 0
Accepted
time: 23ms
memory: 9456kb

input:

100 96
.................................................................X..................................
.............................X......................................................................
..............................................................................................

output:

212.396250000
1031
(1,67) (1,68)

result:

ok correct!

Test #26:

score: 0
Accepted
time: 9ms
memory: 6652kb

input:

94 84
..............................................................................................
..............................................................................................
..............................................................................................
............

output:

357.121327254
2687
(1,83) (1,84)

result:

ok correct!

Test #27:

score: 0
Accepted
time: 11ms
memory: 8080kb

input:

86 80
...........................................................X..........X...............
......................................................................................
X.....................................................................................
....................................

output:

225.855523256
975
(84,1) (85,1)

result:

ok correct!

Test #28:

score: 0
Accepted
time: 10ms
memory: 6784kb

input:

81 57
.X............X..................................................................
.................................................................................
.....................................X.........X.............X...................
...................................................

output:

139.734026424
647
(24,1) (81,4)

result:

ok correct!

Test #29:

score: 0
Accepted
time: 6ms
memory: 5960kb

input:

65 85
.................................................................
.................................................................
.................................................................
...................X.............................................
.................................

output:

738.974479638
3378
(5,45) (5,56)

result:

ok correct!

Test #30:

score: 0
Accepted
time: 3ms
memory: 5116kb

input:

76 98
............................................................................
............................................................................
............................................................................
..................................................................

output:

1550.390977444
4192
(76,34) (76,96)

result:

ok correct!

Test #31:

score: 0
Accepted
time: 2ms
memory: 4684kb

input:

62 67
..............................................................
..............................................................
.........................X....................................
...................................................X..........
.............................................

output:

648.650216659
2420
(16,1) (1,13)

result:

ok correct!

Test #32:

score: 0
Accepted
time: 8ms
memory: 7040kb

input:

50 98
..........................................X.......
.................................X...............X
..................................................
..................................................
.............................................X....
..........................................

output:

207.337755102
895
(1,97) (1,98)

result:

ok correct!

Test #33:

score: 0
Accepted
time: 16ms
memory: 8260kb

input:

74 97
....................X.....................................................
..........................................................................
..........................................................................
................................X.......................................

output:

193.030231262
1078
(74,70) (71,93)

result:

ok correct!

Test #34:

score: 0
Accepted
time: 2ms
memory: 4704kb

input:

62 77
..............................................................
..............................................................
..............................................................
..............................................................
.............................................

output:

2021.069962296
4937
(46,73) (8,77)

result:

ok correct!

Test #35:

score: 0
Accepted
time: 4ms
memory: 5312kb

input:

47 74
...............................................
...............................................
...............................................
.....................X.........................
...............................................
............................................X..
.........

output:

142.153824037
673
(1,74) (2,74)

result:

ok correct!

Test #36:

score: 0
Accepted
time: 3ms
memory: 6200kb

input:

47 71
...........X....X..............................
...............................................
...............................................
...........X...................................
.............................................X.
..X...........XX............X..................
.........

output:

102.814204375
334
(44,4) (47,37)

result:

ok correct!

Test #37:

score: 0
Accepted
time: 7ms
memory: 6060kb

input:

51 65
.........X..........X..............................
.................................X....X.........X..
................................................X..
...................................................
...................................................
.....................................

output:

81.669984917
314
(1,64) (1,65)

result:

ok correct!

Test #38:

score: 0
Accepted
time: 2ms
memory: 5032kb

input:

40 93
.......X................................
........................................
........................................
........................................
.X......................................
..................X.....................
........................................
..........

output:

300.307526882
1326
(39,93) (40,93)

result:

ok correct!

Test #39:

score: 0
Accepted
time: 0ms
memory: 8996kb

input:

87 99
.......................................................................................
.......................................................................................
.......................................................................................
.................................

output:

474.068965517
2063
(1,1) (49,1)

result:

ok correct!

Test #40:

score: 0
Accepted
time: 1ms
memory: 4692kb

input:

46 94
..............................................
..............................................
..............................................
..............................................
..............................................
..............................................
...............

output:

2555.367483811
5914
(46,1) (46,2)

result:

ok correct!

Test #41:

score: 0
Accepted
time: 2ms
memory: 4776kb

input:

93 60
.............................................................................................
.............................................................................................
.............................................................................................
...............

output:

2389.200358423
11288
(21,60) (22,60)

result:

ok correct!

Test #42:

score: 0
Accepted
time: 10ms
memory: 7616kb

input:

98 61
.............................................X................................X...................
...................................................................X.............X................
..................................................................................X................

output:

225.089160254
803
(10,61) (11,61)

result:

ok correct!

Test #43:

score: 0
Accepted
time: 19ms
memory: 9168kb

input:

94 95
..............................................................................................
.......................................................X......................................
............X................................................X.......................X........
............

output:

213.687569989
941
(33,89) (33,90)

result:

ok correct!

Test #44:

score: 0
Accepted
time: 8ms
memory: 6376kb

input:

94 72
..............................................................................................
..............................................................................................
..............................................................................................
............

output:

1330.089539007
4671
(60,71) (38,72)

result:

ok correct!

Test #45:

score: 0
Accepted
time: 0ms
memory: 5400kb

input:

46 44
....X...X..............................X...X..
................................X..X......X...
..............X.........X.....................
......................X...........X...........
......................X.X........X.X...X......
.............X..........X.....................
.X.............

output:

67.354743083
645
(1,1) (2,1)

result:

ok correct!

Test #46:

score: 0
Accepted
time: 9ms
memory: 6120kb

input:

65 51
.................................................................
.........................X.......................................
........X..............X.........................................
....X...............X............................................
.................................

output:

80.041025641
332
(64,34) (65,34)

result:

ok correct!

Test #47:

score: 0
Accepted
time: 8ms
memory: 6572kb

input:

51 82
...................................................
...............X...........X.........X.............
..............................X....................
...................................................
...................................................
.......................X.............

output:

100.466044955
360
(49,3) (51,62)

result:

ok correct!

Test #48:

score: 0
Accepted
time: 5ms
memory: 5884kb

input:

87 60
.......................................................................................
........................................................................X..............
.......................................................................................
.................................

output:

302.789846743
799
(87,29) (87,58)

result:

ok correct!

Test #49:

score: 0
Accepted
time: 0ms
memory: 5000kb

input:

53 44
...................................X.................
.....................................................
............................X....X...................
...X.................................................
.....................................................
....................X......

output:

150.346912521
930
(52,44) (53,44)

result:

ok correct!

Test #50:

score: 0
Accepted
time: 9ms
memory: 7032kb

input:

94 97
..............................................................................................
.......................................X......................X...............................
..............................................................................................
............

output:

690.646413687
3826
(1,96) (1,97)

result:

ok correct!

Test #51:

score: 0
Accepted
time: 2ms
memory: 5708kb

input:

70 68
......................................................................
.....................X...........................X....................
........X...........................X...........................X.....
......................................................................
.............

output:

356.974579832
1620
(23,68) (51,68)

result:

ok correct!

Test #52:

score: 0
Accepted
time: 4ms
memory: 5908kb

input:

100 91
....................................................................................................
....................................................................................................
..............................................................................................

output:

1705.102197802
4664
(100,44) (100,90)

result:

ok correct!

Test #53:

score: 0
Accepted
time: 2ms
memory: 4856kb

input:

88 84
........................................................................................
........................................................................................
........................................................................................
..............................

output:

2976.142316017
8305
(68,1) (69,1)

result:

ok correct!

Test #54:

score: 0
Accepted
time: 2ms
memory: 4976kb

input:

48 44
................................................
................................................
..........X...........X.........................
...X............................................
...........................X....................
.........X......................................
...

output:

140.187973485
466
(8,7) (1,20)

result:

ok correct!

Test #55:

score: 0
Accepted
time: 14ms
memory: 7568kb

input:

98 60
......................................X.....X.....................................................
......................................X..............................X............................
............X......................................................X...............................

output:

179.279251701
713
(98,56) (98,57)

result:

ok correct!

Test #56:

score: 0
Accepted
time: 0ms
memory: 5600kb

input:

58 41
...............................X...............X..........
..X..................X....X...............................
..........................................................
.....................X.............................X......
..............................X.................X............

output:

75.129520606
228
(2,1) (49,27)

result:

ok correct!

Test #57:

score: 0
Accepted
time: 11ms
memory: 6908kb

input:

95 48
....X.......X.......................X..............X........................X...........X......
........X...............................X...............................X......................
........................XX...............................X.....................................
.........

output:

115.940570175
390
(15,48) (79,48)

result:

ok correct!

Test #58:

score: 0
Accepted
time: 0ms
memory: 6052kb

input:

51 62
...................................................
..............................X.........X..........
................................................X..
.......................X...........................
..............................................X....
.....................................

output:

127.050284630
432
(7,1) (51,6)

result:

ok correct!

Test #59:

score: 0
Accepted
time: 17ms
memory: 8912kb

input:

86 98
.......X......X.......................................................................
......................................................................................
......................................................................................
....................................

output:

215.500949217
732
(66,70) (68,72)

result:

ok correct!

Test #60:

score: 0
Accepted
time: 7ms
memory: 6820kb

input:

91 94
...........................................................................................
...........................................................................................
...........................................................................................
.....................

output:

309.110357727
1541
(78,1) (90,8)

result:

ok correct!

Test #61:

score: 0
Accepted
time: 4ms
memory: 5280kb

input:

74 45
..........................................................................
..........................................................................
....X.............X..........................................X............
.X................X..........................X............X.............

output:

164.878078078
772
(1,7) (1,8)

result:

ok correct!

Test #62:

score: 0
Accepted
time: 3ms
memory: 6472kb

input:

54 73
.....X.......X........................................
.............X........................................
...............X......................................
................................X.....................
..............................................X.......
......................

output:

106.012937595
560
(1,1) (1,2)

result:

ok correct!

Test #63:

score: 0
Accepted
time: 11ms
memory: 7152kb

input:

91 56
...........................................................................................
..............................X.............................X..............................
.....................................................................X.....................
.....................

output:

423.714874411
1455
(63,19) (24,20)

result:

ok correct!

Test #64:

score: 0
Accepted
time: 0ms
memory: 4256kb

input:

1 2
X
X

output:

1.000000000
1
(1,1) (1,2)

result:

ok correct!

Test #65:

score: 0
Accepted
time: 0ms
memory: 4220kb

input:

1 3
X
.
.

output:

0.666666667
1
(1,1) (1,2)

result:

ok correct!

Test #66:

score: 0
Accepted
time: 0ms
memory: 4276kb

input:

1 3
.
X
.

output:

0.666666667
1
(1,1) (1,3)

result:

ok correct!

Test #67:

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

input:

1 3
X
X
.

output:

0.666666667
1
(1,2) (1,3)

result:

ok correct!

Test #68:

score: 0
Accepted
time: 0ms
memory: 4220kb

input:

1 3
.
.
X

output:

3.333333333
5
(1,2) (1,3)

result:

ok correct!

Test #69:

score: 0
Accepted
time: 0ms
memory: 4232kb

input:

1 3
X
.
X

output:

6.666666667
10
(1,1) (1,3)

result:

ok correct!

Test #70:

score: 0
Accepted
time: 0ms
memory: 4168kb

input:

1 3
.
X
X

output:

0.666666667
1
(1,1) (1,2)

result:

ok correct!

Test #71:

score: 0
Accepted
time: 0ms
memory: 4224kb

input:

1 3
X
X
X

output:

3.666666667
5
(1,1) (1,2)

result:

ok correct!

Test #72:

score: 0
Accepted
time: 0ms
memory: 4216kb

input:

1 4
X
.
.
.

output:

5.250000000
10
(1,1) (1,2)

result:

ok correct!

Test #73:

score: 0
Accepted
time: 0ms
memory: 4232kb

input:

1 4
.
X
.
.

output:

2.750000000
5
(1,1) (1,4)

result:

ok correct!

Test #74:

score: 0
Accepted
time: 0ms
memory: 4212kb

input:

1 4
X
X
.
.

output:

1.000000000
1
(1,1) (1,2) (1,3) (1,4)

result:

ok correct!

Test #75:

score: 0
Accepted
time: 0ms
memory: 4224kb

input:

1 4
.
.
X
.

output:

2.750000000
5
(1,3) (1,4)

result:

ok correct!

Test #76:

score: 0
Accepted
time: 0ms
memory: 4172kb

input:

1 4
X
.
X
.

output:

7.500000000
10
(1,2) (1,4)

result:

ok correct!

Test #77:

score: 0
Accepted
time: 0ms
memory: 4196kb

input:

1 4
.
X
X
.

output:

1.000000000
1
(1,1) (1,2) (1,3) (1,4)

result:

ok correct!

Test #78:

score: 0
Accepted
time: 0ms
memory: 4224kb

input:

1 4
X
X
X
.

output:

2.750000000
5
(1,2) (1,3)

result:

ok correct!

Test #79:

score: 0
Accepted
time: 0ms
memory: 4220kb

input:

1 4
.
.
.
X

output:

10.250000000
18
(1,3) (1,4)

result:

ok correct!

Test #80:

score: 0
Accepted
time: 0ms
memory: 4240kb

input:

1 4
X
.
.
X

output:

14.000000000
27
(1,1) (1,4)

result:

ok correct!

Test #81:

score: 0
Accepted
time: 0ms
memory: 4224kb

input:

1 4
.
X
.
X

output:

5.500000000
10
(1,1) (1,3)

result:

ok correct!

Test #82:

score: 0
Accepted
time: 0ms
memory: 4152kb

input:

1 4
X
X
.
X

output:

2.750000000
5
(1,1) (1,4)

result:

ok correct!

Test #83:

score: 0
Accepted
time: 0ms
memory: 4272kb

input:

1 4
.
.
X
X

output:

3.000000000
5
(1,3) (1,4)

result:

ok correct!

Test #84:

score: 0
Accepted
time: 0ms
memory: 4212kb

input:

1 4
X
.
X
X

output:

2.750000000
5
(1,2) (1,4)

result:

ok correct!

Test #85:

score: 0
Accepted
time: 0ms
memory: 4212kb

input:

1 4
.
X
X
X

output:

2.750000000
5
(1,1) (1,2)

result:

ok correct!

Test #86:

score: 0
Accepted
time: 0ms
memory: 4284kb

input:

1 4
X
X
X
X

output:

6.500000000
10
(1,2) (1,3)

result:

ok correct!

Test #87:

score: 0
Accepted
time: 0ms
memory: 4232kb

input:

2 2
X.
..

output:

3.750000000
7
(2,1) (2,2)

result:

ok correct!

Test #88:

score: 0
Accepted
time: 0ms
memory: 4208kb

input:

2 2
.X
..

output:

1.250000000
2
(1,1) (1,2)

result:

ok correct!

Test #89:

score: 0
Accepted
time: 0ms
memory: 4148kb

input:

2 2
XX
..

output:

2.500000000
3
(1,2) (2,2)

result:

ok correct!

Test #90:

score: 0
Accepted
time: 0ms
memory: 4272kb

input:

2 2
..
X.

output:

4.250000000
6
(2,1) (2,2)

result:

ok correct!

Test #91:

score: 0
Accepted
time: 0ms
memory: 4148kb

input:

2 2
X.
X.

output:

3.500000000
6
(2,1) (2,2)

result:

ok correct!

Test #92:

score: 0
Accepted
time: 0ms
memory: 4272kb

input:

2 2
.X
X.

output:

1.500000000
2
(1,1) (2,2)

result:

ok correct!

Test #93:

score: 0
Accepted
time: 0ms
memory: 4224kb

input:

2 2
XX
X.

output:

1.750000000
3
(1,2) (2,2)

result:

ok correct!

Test #94:

score: 0
Accepted
time: 0ms
memory: 4220kb

input:

2 2
..
.X

output:

2.750000000
4
(1,2) (2,2)

result:

ok correct!

Test #95:

score: 0
Accepted
time: 0ms
memory: 4276kb

input:

2 2
X.
.X

output:

2.500000000
4
(2,1) (1,2)

result:

ok correct!

Test #96:

score: 0
Accepted
time: 0ms
memory: 4172kb

input:

2 2
.X
.X

output:

1.500000000
2
(1,1) (1,2)

result:

ok correct!

Test #97:

score: 0
Accepted
time: 0ms
memory: 4216kb

input:

2 2
XX
.X

output:

1.750000000
3
(1,2) (2,2)

result:

ok correct!

Test #98:

score: 0
Accepted
time: 0ms
memory: 4236kb

input:

2 2
..
XX

output:

3.500000000
4
(1,2) (2,2)

result:

ok correct!

Test #99:

score: 0
Accepted
time: 0ms
memory: 4148kb

input:

2 2
X.
XX

output:

2.250000000
4
(2,1) (1,2)

result:

ok correct!

Test #100:

score: 0
Accepted
time: 0ms
memory: 4276kb

input:

2 2
.X
XX

output:

1.250000000
2
(1,1) (2,2)

result:

ok correct!

Test #101:

score: 0
Accepted
time: 0ms
memory: 4228kb

input:

2 2
XX
XX

output:

2.500000000
3
(1,2) (2,2)

result:

ok correct!

Test #102:

score: 0
Accepted
time: 0ms
memory: 4200kb

input:

3 1
X..

output:

4.666666667
7
(2,1) (3,1)

result:

ok correct!

Test #103:

score: 0
Accepted
time: 0ms
memory: 4260kb

input:

3 1
.X.

output:

2.000000000
3
(1,1) (3,1)

result:

ok correct!

Test #104:

score: 0
Accepted
time: 0ms
memory: 4264kb

input:

3 1
XX.

output:

2.000000000
3
(1,1) (2,1)

result:

ok correct!

Test #105:

score: 0
Accepted
time: 0ms
memory: 4152kb

input:

3 1
..X

output:

2.000000000
3
(1,1) (2,1)

result:

ok correct!

Test #106:

score: 0
Accepted
time: 0ms
memory: 4272kb

input:

3 1
X.X

output:

9.333333333
14
(1,1) (3,1)

result:

ok correct!

Test #107:

score: 0
Accepted
time: 0ms
memory: 4244kb

input:

3 1
.XX

output:

2.000000000
3
(2,1) (3,1)

result:

ok correct!

Test #108:

score: 0
Accepted
time: 0ms
memory: 4240kb

input:

3 1
XXX

output:

5.666666667
7
(1,1) (2,1)

result:

ok correct!

Test #109:

score: 0
Accepted
time: 0ms
memory: 4236kb

input:

4 1
X...

output:

12.750000000
22
(3,1) (4,1)

result:

ok correct!

Test #110:

score: 0
Accepted
time: 0ms
memory: 4212kb

input:

4 1
.X..

output:

4.250000000
7
(3,1) (4,1)

result:

ok correct!

Test #111:

score: 0
Accepted
time: 0ms
memory: 4240kb

input:

4 1
XX..

output:

5.000000000
7
(3,1) (4,1)

result:

ok correct!

Test #112:

score: 0
Accepted
time: 0ms
memory: 4232kb

input:

4 1
..X.

output:

4.250000000
7
(1,1) (4,1)

result:

ok correct!

Test #113:

score: 0
Accepted
time: 0ms
memory: 4272kb

input:

4 1
X.X.

output:

8.500000000
14
(1,1) (3,1)

result:

ok correct!

Test #114:

score: 0
Accepted
time: 1ms
memory: 4240kb

input:

4 1
.XX.

output:

3.000000000
3
(1,1) (2,1) (3,1) (4,1)

result:

ok correct!

Test #115:

score: 0
Accepted
time: 0ms
memory: 4216kb

input:

4 1
XXX.

output:

4.250000000
7
(1,1) (2,1)

result:

ok correct!

Test #116:

score: 0
Accepted
time: 0ms
memory: 4176kb

input:

4 1
...X

output:

7.750000000
14
(1,1) (2,1)

result:

ok correct!

Test #117:

score: 0
Accepted
time: 0ms
memory: 4272kb

input:

4 1
X..X

output:

18.000000000
33
(1,1) (4,1)

result:

ok correct!

Test #118:

score: 0
Accepted
time: 0ms
memory: 4232kb

input:

4 1
.X.X

output:

10.500000000
14
(2,1) (4,1)

result:

ok correct!

Test #119:

score: 0
Accepted
time: 0ms
memory: 4216kb

input:

4 1
XX.X

output:

4.250000000
7
(2,1) (4,1)

result:

ok correct!

Test #120:

score: 0
Accepted
time: 0ms
memory: 4180kb

input:

4 1
..XX

output:

3.000000000
3
(1,1) (2,1) (3,1) (4,1)

result:

ok correct!

Test #121:

score: 0
Accepted
time: 0ms
memory: 4212kb

input:

4 1
X.XX

output:

4.250000000
7
(1,1) (4,1)

result:

ok correct!

Test #122:

score: 0
Accepted
time: 0ms
memory: 4220kb

input:

4 1
.XXX

output:

4.250000000
7
(2,1) (3,1)

result:

ok correct!

Test #123:

score: 0
Accepted
time: 0ms
memory: 4220kb

input:

4 1
XXXX

output:

9.500000000
14
(2,1) (3,1)

result:

ok correct!

Test #124:

score: 0
Accepted
time: 1ms
memory: 4456kb

input:

100 1
X...................................................................................................

output:

13274.590000000
38710
(99,1) (100,1)

result:

ok correct!

Test #125:

score: 0
Accepted
time: 1ms
memory: 4460kb

input:

100 1
...................................................................................................X

output:

13076.630000000
38318
(1,1) (2,1)

result:

ok correct!

Test #126:

score: 0
Accepted
time: 1ms
memory: 4488kb

input:

100 1
..................................................X.................................................

output:

3356.010000000
9751
(1,1) (100,1)

result:

ok correct!

Test #127:

score: 0
Accepted
time: 0ms
memory: 4520kb

input:

100 1
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

output:

3457.500000000
9950
(50,1) (51,1)

result:

ok correct!

Test #128:

score: 0
Accepted
time: 1ms
memory: 4504kb

input:

100 1
X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.

output:

3554.940000000
9950
(49,1) (51,1)

result:

ok correct!

Test #129:

score: 0
Accepted
time: 1ms
memory: 4588kb

input:

100 2
X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.
.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X.X

output:

3451.070000000
9751
(49,1) (51,1)

result:

ok correct!

Test #130:

score: 0
Accepted
time: 1ms
memory: 4400kb

input:

1 100
X
.
.
.
.
.
.
.
.
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.
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.
.
.
.

output:

12977.650000000
38122
(1,1) (1,2)

result:

ok correct!

Test #131:

score: 0
Accepted
time: 1ms
memory: 4460kb

input:

1 100
.
.
.
.
.
.
.
.
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.
.
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.
.
.
X

output:

13175.610000000
38514
(1,99) (1,100)

result:

ok correct!

Test #132:

score: 0
Accepted
time: 1ms
memory: 4424kb

input:

1 100
.
.
.
.
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.

output:

3306.030000000
9653
(1,99) (1,100)

result:

ok correct!

Test #133:

score: 0
Accepted
time: 1ms
memory: 4524kb

input:

1 100
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X

output:

3406.500000000
9850
(1,50) (1,51)

result:

ok correct!

Test #134:

score: 0
Accepted
time: 1ms
memory: 4552kb

input:

1 100
X
.
X
.
X
.
X
.
X
.
X
.
X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
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X
.
X
.
X
.
X
.
X
.
X
.

output:

3503.020000000
9850
(1,50) (1,52)

result:

ok correct!

Test #135:

score: 0
Accepted
time: 1ms
memory: 4632kb

input:

2 100
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
...

output:

3401.110000000
9654
(2,49) (2,51)

result:

ok correct!

Test #136:

score: 0
Accepted
time: 1ms
memory: 4240kb

input:

10 10
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX
XXXXXXXXXX

output:

58.080000000
95
(5,10) (6,10)

result:

ok correct!

Test #137:

score: 0
Accepted
time: 12ms
memory: 9756kb

input:

100 100
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
....................................................................................................
.............................................................................................

output:

13878.927500000
38908
(99,1) (100,1)

result:

ok correct!

Test #138:

score: 0
Accepted
time: 6ms
memory: 9728kb

input:

100 100
....................................................................................................
....................................................................................................
.............................................................................................

output:

14059.272500000
39302
(99,100) (100,100)

result:

ok correct!

Test #139:

score: 0
Accepted
time: 14ms
memory: 9788kb

input:

100 100
X...................................................................................................
X...................................................................................................
X............................................................................................

output:

14132.282500000
39500
(100,1) (100,2)

result:

ok correct!

Test #140:

score: 0
Accepted
time: 12ms
memory: 9784kb

input:

100 100
...................................................................................................X
...................................................................................................X
.............................................................................................

output:

13951.432500000
39104
(1,99) (1,100)

result:

ok correct!

Test #141:

score: 0
Accepted
time: 0ms
memory: 4912kb

input:

100 100
....................................................................................................
....................................................................................................
.............................................................................................

output:

19733.339900000
39302
(99,100) (100,100)

result:

ok correct!

Test #142:

score: 0
Accepted
time: 2ms
memory: 4940kb

input:

100 100
...................................................................................................X
....................................................................................................
.............................................................................................

output:

19601.009900000
39104
(1,99) (1,100)

result:

ok correct!

Test #143:

score: 0
Accepted
time: 2ms
memory: 4900kb

input:

100 100
....................................................................................................
....................................................................................................
.............................................................................................

output:

5001.489900000
10098
(99,100) (100,100)

result:

ok correct!

Test #144:

score: 0
Accepted
time: 1ms
memory: 4528kb

input:

20 20
.XX......XX.....XXXX
..X.....X..X....X...
.....X..............
X..XX.X..XX......XX.
X..........X........
...X..X............X
.X...X..........XXXX
.X...XX..XX....X....
X.X.XX...X.......X.X
XXXXX....X........X.
.X.XX.X..XX...X.X...
X.......X..XXX.....X
.X..X..X.X......X...
.........X....X...X.
...

output:

12.812500000
31
(13,5) (15,18)

result:

ok correct!

Test #145:

score: 0
Accepted
time: 6ms
memory: 5604kb

input:

50 50
..................................................
..................X...............X...............
..................................................
....X...X........................X........X..X....
.................X................................
..........................................

output:

60.830800000
195
(28,1) (1,35)

result:

ok correct!

Test #146:

score: 0
Accepted
time: 24ms
memory: 9760kb

input:

100 100
....................................................................................................
....................................................................................................
.............................................................................................

output:

227.534900000
1062
(96,95) (55,100)

result:

ok correct!

Extra Test:

score: 0
Extra Test Passed