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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#189227#5112. Where Am I?bulijiojiodibuliduo#AC ✓442ms9336kbC++172.2kb2023-09-27 01:50:012023-09-27 01:50:02

Judging History

你现在查看的是最新测评结果

  • [2023-09-27 01:50:02]
  • 评测
  • 测评结果:AC
  • 用时:442ms
  • 内存:9336kb
  • [2023-09-27 01:50:01]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,n) for (int i=a;i<n;i++)
#define per(i,a,n) for (int i=n-1;i>=a;i--)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define SZ(x) ((int)(x).size())
typedef vector<int> VI;
typedef basic_string<int> BI;
typedef long long ll;
typedef pair<int,int> PII;
typedef double db;
mt19937 mrand(random_device{}()); 
const ll mod=1000000007;
int rnd(int x) { return mrand() % x;}
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}
// head

vector<PII> dir{{0,1},{1,0},{0,-1},{-1,0}};
const int N=110;
int dx,dy,g[N][N],tot;
VI cord[N][N];
char s[N];
int query(int x,int y) {
	if (x>=0&&x<dx&&y>=0&&y<dy) return g[x][y];
	return 0;
}
int main() {
	scanf("%d%d",&dx,&dy);
	per(j,0,dy) {
		scanf("%s",s);
		rep(i,0,dx) {
			g[i][j]=s[i]=='X';
			tot+=g[i][j];
		}
	}
	vector<PII> pos;
	rep(i,0,dx) rep(j,0,dy) {
		int cnt=0,px=i,py=j,stp=1,seg=0,d=0,ts=0;
		while (cnt<tot) {
			if (query(px,py)) cord[i][j].pb(ts),++cnt;
			px+=dir[d].fi; py+=dir[d].se; --stp;
			ts++;
			if (stp==0) {
				seg++;
				stp=seg/2+1;
				d=(d+1)%4;
			}
		}
		/*printf("%d %d\n",i,j);
		for (auto x:cord[i][j]) printf("%d ",x); puts("");*/
		pos.pb(mp(i,j));
	}
	sort(all(pos),[&](PII a,PII b){
		return cord[a.fi][a.se]<cord[b.fi][b.se];
	});
	auto lcp=[&](VI &a,VI &b) {
		rep(i,0,SZ(a)) if (a[i]!=b[i]) return min(a[i],b[i]);
		assert(false);
		return 0;
	};
	db ss=0;
	int mtm=-1;
	vector<PII> mtp;
	rep(i,0,SZ(pos)) {
		int mt=0;
		auto [x,y]=pos[i];
		if (i>0) mt=max(mt,lcp(cord[x][y],cord[pos[i-1].fi][pos[i-1].se]));
		if (i+1<SZ(pos)) mt=max(mt,lcp(cord[x][y],cord[pos[i+1].fi][pos[i+1].se]));
		ss+=mt;
		if (mt>mtm) {
			mtm=mt;
			mtp.clear();
		}
		if (mt==mtm) {
			mtp.pb(pos[i]);
		}
		//printf("%d %d %d\n",x,y,mt);
	}
	printf("%.10f\n",ss/SZ(pos));
	printf("%d\n",mtm);
	sort(all(mtp),[&](PII a,PII b){
		return mp(a.se,a.fi)<mp(b.se,b.fi);
	});
	for (auto [x,y]:mtp) printf("(%d,%d) ",x+1,y+1);
	puts("");
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3984kb

input:

1 1
X

output:

0.0000000000
0
(1,1) 

result:

ok correct!

Test #2:

score: 0
Accepted
time: 1ms
memory: 4088kb

input:

2 1
.X

output:

0.0000000000
0
(1,1) (2,1) 

result:

ok correct!

Test #3:

score: 0
Accepted
time: 0ms
memory: 4020kb

input:

2 1
X.

output:

0.0000000000
0
(1,1) (2,1) 

result:

ok correct!

Test #4:

score: 0
Accepted
time: 1ms
memory: 3988kb

input:

1 2
.
X

output:

0.0000000000
0
(1,1) (1,2) 

result:

ok correct!

Test #5:

score: 0
Accepted
time: 1ms
memory: 4052kb

input:

1 2
X
.

output:

0.0000000000
0
(1,1) (1,2) 

result:

ok correct!

Test #6:

score: 0
Accepted
time: 0ms
memory: 4000kb

input:

2 1
XX

output:

3.0000000000
3
(1,1) (2,1) 

result:

ok correct!

Test #7:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

3 3
XXX
X.X
XXX

output:

3.1111111111
5
(3,1) (3,2) 

result:

ok correct!

Test #8:

score: 0
Accepted
time: 421ms
memory: 9316kb

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:

4757.9471000000
9704
(50,1) (50,100) 

result:

ok correct!

Test #9:

score: 0
Accepted
time: 296ms
memory: 4344kb

input:

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

output:

19735.3199000000
39599
(100,1) (100,2) 

result:

ok correct!

Test #10:

score: 0
Accepted
time: 301ms
memory: 4412kb

input:

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

output:

19865.6699000000
39500
(100,1) (100,2) 

result:

ok correct!

Test #11:

score: 0
Accepted
time: 441ms
memory: 9180kb

input:

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

output:

11855.6392000000
39302
(100,99) (99,100) 

result:

ok correct!

Test #12:

score: 0
Accepted
time: 442ms
memory: 9260kb

input:

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

output:

11854.6098000000
39104
(1,99) (2,100) 

result:

ok correct!

Test #13:

score: 0
Accepted
time: 28ms
memory: 4764kb

input:

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

output:

50.0979452055
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: 63ms
memory: 5956kb

input:

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

output:

100.7112010796
742
(1,1) (2,1) 

result:

ok correct!

Test #15:

score: 0
Accepted
time: 49ms
memory: 4304kb

input:

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

output:

494.4978813559
1503
(56,38) (56,39) 

result:

ok correct!

Test #16:

score: 0
Accepted
time: 98ms
memory: 6016kb

input:

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

output:

122.5453116815
387
(1,19) (19,32) 

result:

ok correct!

Test #17:

score: 0
Accepted
time: 43ms
memory: 5672kb

input:

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

output:

103.4874441004
334
(10,57) (11,57) 

result:

ok correct!

Test #18:

score: 0
Accepted
time: 159ms
memory: 4888kb

input:

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

output:

480.5729739011
1215
(64,71) (63,91) 

result:

ok correct!

Test #19:

score: 0
Accepted
time: 70ms
memory: 5604kb

input:

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

output:

79.1493333333
319
(1,39) (1,40) 

result:

ok correct!

Test #20:

score: 0
Accepted
time: 160ms
memory: 5560kb

input:

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

output:

383.8083237877
1084
(93,9) (51,51) 

result:

ok correct!

Test #21:

score: 0
Accepted
time: 124ms
memory: 5236kb

input:

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

output:

161.0701673928
520
(89,1) (2,41) 

result:

ok correct!

Test #22:

score: 0
Accepted
time: 105ms
memory: 5376kb

input:

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

output:

176.0831818182
611
(80,2) (79,37) 

result:

ok correct!

Test #23:

score: 0
Accepted
time: 63ms
memory: 4564kb

input:

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

output:

291.7060294526
860
(1,1) (1,50) 

result:

ok correct!

Test #24:

score: 0
Accepted
time: 66ms
memory: 4980kb

input:

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

output:

152.1618806306
512
(48,9) (48,67) 

result:

ok correct!

Test #25:

score: 0
Accepted
time: 398ms
memory: 9132kb

input:

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

output:

212.3962500000
1031
(1,67) (1,68) 

result:

ok correct!

Test #26:

score: 0
Accepted
time: 264ms
memory: 6196kb

input:

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

output:

357.1213272543
2687
(1,83) (1,84) 

result:

ok correct!

Test #27:

score: 0
Accepted
time: 207ms
memory: 7756kb

input:

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

output:

225.8555232558
975
(84,1) (85,1) 

result:

ok correct!

Test #28:

score: 0
Accepted
time: 113ms
memory: 6576kb

input:

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

output:

139.7340264241
647
(24,1) (81,4) 

result:

ok correct!

Test #29:

score: 0
Accepted
time: 138ms
memory: 5676kb

input:

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

output:

738.9744796380
3378
(5,45) (5,56) 

result:

ok correct!

Test #30:

score: 0
Accepted
time: 252ms
memory: 4704kb

input:

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

output:

1550.3909774436
4192
(76,34) (76,96) 

result:

ok correct!

Test #31:

score: 0
Accepted
time: 79ms
memory: 4400kb

input:

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

output:

648.6502166586
2420
(16,1) (1,13) 

result:

ok correct!

Test #32:

score: 0
Accepted
time: 177ms
memory: 6584kb

input:

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

output:

207.3377551020
895
(1,97) (1,98) 

result:

ok correct!

Test #33:

score: 0
Accepted
time: 250ms
memory: 7776kb

input:

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

output:

193.0302312622
1078
(74,70) (71,93) 

result:

ok correct!

Test #34:

score: 0
Accepted
time: 84ms
memory: 4288kb

input:

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

output:

2021.0699622958
4937
(46,73) (8,77) 

result:

ok correct!

Test #35:

score: 0
Accepted
time: 65ms
memory: 5108kb

input:

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

output:

142.1538240368
673
(1,74) (2,74) 

result:

ok correct!

Test #36:

score: 0
Accepted
time: 59ms
memory: 5864kb

input:

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

output:

102.8142043752
334
(44,4) (47,37) 

result:

ok correct!

Test #37:

score: 0
Accepted
time: 62ms
memory: 5832kb

input:

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

output:

81.6699849170
314
(1,64) (1,65) 

result:

ok correct!

Test #38:

score: 0
Accepted
time: 91ms
memory: 4668kb

input:

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

output:

300.3075268817
1326
(39,93) (40,93) 

result:

ok correct!

Test #39:

score: 0
Accepted
time: 266ms
memory: 8472kb

input:

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

output:

474.0689655172
2063
(1,1) (49,1) 

result:

ok correct!

Test #40:

score: 0
Accepted
time: 80ms
memory: 4344kb

input:

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

output:

2555.3674838113
5914
(46,1) (46,2) 

result:

ok correct!

Test #41:

score: 0
Accepted
time: 125ms
memory: 4460kb

input:

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

output:

2389.2003584229
11288
(21,60) (22,60) 

result:

ok correct!

Test #42:

score: 0
Accepted
time: 216ms
memory: 7296kb

input:

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

output:

225.0891602543
803
(10,61) (11,61) 

result:

ok correct!

Test #43:

score: 0
Accepted
time: 344ms
memory: 8648kb

input:

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

output:

213.6875699888
941
(33,89) (33,90) 

result:

ok correct!

Test #44:

score: 0
Accepted
time: 217ms
memory: 5944kb

input:

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

output:

1330.0895390071
4671
(60,71) (38,72) 

result:

ok correct!

Test #45:

score: 0
Accepted
time: 23ms
memory: 5168kb

input:

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

output:

67.3547430830
645
(1,1) (2,1) 

result:

ok correct!

Test #46:

score: 0
Accepted
time: 59ms
memory: 5860kb

input:

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

output:

80.0410256410
332
(64,34) (65,34) 

result:

ok correct!

Test #47:

score: 0
Accepted
time: 105ms
memory: 6240kb

input:

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

output:

100.4660449546
360
(49,3) (51,62) 

result:

ok correct!

Test #48:

score: 0
Accepted
time: 143ms
memory: 5528kb

input:

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

output:

302.7898467433
799
(87,29) (87,58) 

result:

ok correct!

Test #49:

score: 0
Accepted
time: 28ms
memory: 4660kb

input:

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

output:

150.3469125214
930
(52,44) (53,44) 

result:

ok correct!

Test #50:

score: 0
Accepted
time: 341ms
memory: 6460kb

input:

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

output:

690.6464136872
3826
(1,96) (1,97) 

result:

ok correct!

Test #51:

score: 0
Accepted
time: 101ms
memory: 5468kb

input:

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

output:

356.9745798319
1620
(23,68) (51,68) 

result:

ok correct!

Test #52:

score: 0
Accepted
time: 320ms
memory: 5400kb

input:

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

output:

1705.1021978022
4664
(100,44) (100,90) 

result:

ok correct!

Test #53:

score: 0
Accepted
time: 162ms
memory: 4432kb

input:

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

output:

2976.1423160173
8305
(68,1) (69,1) 

result:

ok correct!

Test #54:

score: 0
Accepted
time: 23ms
memory: 4696kb

input:

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

output:

140.1879734848
466
(8,7) (1,20) 

result:

ok correct!

Test #55:

score: 0
Accepted
time: 199ms
memory: 7116kb

input:

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

output:

179.2792517007
713
(98,56) (98,57) 

result:

ok correct!

Test #56:

score: 0
Accepted
time: 35ms
memory: 5408kb

input:

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

output:

75.1295206056
228
(2,1) (49,27) 

result:

ok correct!

Test #57:

score: 0
Accepted
time: 148ms
memory: 6432kb

input:

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

output:

115.9405701754
390
(15,48) (79,48) 

result:

ok correct!

Test #58:

score: 0
Accepted
time: 47ms
memory: 5712kb

input:

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

output:

127.0502846300
432
(7,1) (51,6) 

result:

ok correct!

Test #59:

score: 0
Accepted
time: 335ms
memory: 8368kb

input:

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

output:

215.5009492169
732
(66,70) (68,72) 

result:

ok correct!

Test #60:

score: 0
Accepted
time: 304ms
memory: 6292kb

input:

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

output:

309.1103577274
1541
(78,1) (90,8) 

result:

ok correct!

Test #61:

score: 0
Accepted
time: 64ms
memory: 4944kb

input:

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

output:

164.8780780781
772
(1,7) (1,8) 

result:

ok correct!

Test #62:

score: 0
Accepted
time: 82ms
memory: 6080kb

input:

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

output:

106.0129375951
560
(1,1) (1,2) 

result:

ok correct!

Test #63:

score: 0
Accepted
time: 155ms
memory: 6840kb

input:

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

output:

423.7148744113
1455
(63,19) (24,20) 

result:

ok correct!

Test #64:

score: 0
Accepted
time: 1ms
memory: 4112kb

input:

1 2
X
X

output:

1.0000000000
1
(1,1) (1,2) 

result:

ok correct!

Test #65:

score: 0
Accepted
time: 1ms
memory: 4124kb

input:

1 3
X
.
.

output:

0.6666666667
1
(1,1) (1,2) 

result:

ok correct!

Test #66:

score: 0
Accepted
time: 1ms
memory: 4104kb

input:

1 3
.
X
.

output:

0.6666666667
1
(1,1) (1,3) 

result:

ok correct!

Test #67:

score: 0
Accepted
time: 1ms
memory: 4076kb

input:

1 3
X
X
.

output:

0.6666666667
1
(1,2) (1,3) 

result:

ok correct!

Test #68:

score: 0
Accepted
time: 1ms
memory: 4080kb

input:

1 3
.
.
X

output:

3.3333333333
5
(1,2) (1,3) 

result:

ok correct!

Test #69:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

1 3
X
.
X

output:

6.6666666667
10
(1,1) (1,3) 

result:

ok correct!

Test #70:

score: 0
Accepted
time: 1ms
memory: 4088kb

input:

1 3
.
X
X

output:

0.6666666667
1
(1,1) (1,2) 

result:

ok correct!

Test #71:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

1 3
X
X
X

output:

3.6666666667
5
(1,1) (1,2) 

result:

ok correct!

Test #72:

score: 0
Accepted
time: 0ms
memory: 4020kb

input:

1 4
X
.
.
.

output:

5.2500000000
10
(1,1) (1,2) 

result:

ok correct!

Test #73:

score: 0
Accepted
time: 1ms
memory: 4056kb

input:

1 4
.
X
.
.

output:

2.7500000000
5
(1,1) (1,4) 

result:

ok correct!

Test #74:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

1 4
X
X
.
.

output:

1.0000000000
1
(1,1) (1,2) (1,3) (1,4) 

result:

ok correct!

Test #75:

score: 0
Accepted
time: 1ms
memory: 3988kb

input:

1 4
.
.
X
.

output:

2.7500000000
5
(1,3) (1,4) 

result:

ok correct!

Test #76:

score: 0
Accepted
time: 1ms
memory: 4128kb

input:

1 4
X
.
X
.

output:

7.5000000000
10
(1,2) (1,4) 

result:

ok correct!

Test #77:

score: 0
Accepted
time: 1ms
memory: 3980kb

input:

1 4
.
X
X
.

output:

1.0000000000
1
(1,1) (1,2) (1,3) (1,4) 

result:

ok correct!

Test #78:

score: 0
Accepted
time: 1ms
memory: 4056kb

input:

1 4
X
X
X
.

output:

2.7500000000
5
(1,2) (1,3) 

result:

ok correct!

Test #79:

score: 0
Accepted
time: 1ms
memory: 4016kb

input:

1 4
.
.
.
X

output:

10.2500000000
18
(1,3) (1,4) 

result:

ok correct!

Test #80:

score: 0
Accepted
time: 1ms
memory: 4092kb

input:

1 4
X
.
.
X

output:

14.0000000000
27
(1,1) (1,4) 

result:

ok correct!

Test #81:

score: 0
Accepted
time: 1ms
memory: 3976kb

input:

1 4
.
X
.
X

output:

5.5000000000
10
(1,1) (1,3) 

result:

ok correct!

Test #82:

score: 0
Accepted
time: 1ms
memory: 4056kb

input:

1 4
X
X
.
X

output:

2.7500000000
5
(1,1) (1,4) 

result:

ok correct!

Test #83:

score: 0
Accepted
time: 1ms
memory: 4088kb

input:

1 4
.
.
X
X

output:

3.0000000000
5
(1,3) (1,4) 

result:

ok correct!

Test #84:

score: 0
Accepted
time: 1ms
memory: 4108kb

input:

1 4
X
.
X
X

output:

2.7500000000
5
(1,2) (1,4) 

result:

ok correct!

Test #85:

score: 0
Accepted
time: 1ms
memory: 4092kb

input:

1 4
.
X
X
X

output:

2.7500000000
5
(1,1) (1,2) 

result:

ok correct!

Test #86:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

1 4
X
X
X
X

output:

6.5000000000
10
(1,2) (1,3) 

result:

ok correct!

Test #87:

score: 0
Accepted
time: 1ms
memory: 4084kb

input:

2 2
X.
..

output:

3.7500000000
7
(2,1) (2,2) 

result:

ok correct!

Test #88:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

2 2
.X
..

output:

1.2500000000
2
(1,1) (1,2) 

result:

ok correct!

Test #89:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

2 2
XX
..

output:

2.5000000000
3
(1,2) (2,2) 

result:

ok correct!

Test #90:

score: 0
Accepted
time: 1ms
memory: 4084kb

input:

2 2
..
X.

output:

4.2500000000
6
(2,1) (2,2) 

result:

ok correct!

Test #91:

score: 0
Accepted
time: 1ms
memory: 3996kb

input:

2 2
X.
X.

output:

3.5000000000
6
(2,1) (2,2) 

result:

ok correct!

Test #92:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

2 2
.X
X.

output:

1.5000000000
2
(1,1) (2,2) 

result:

ok correct!

Test #93:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

2 2
XX
X.

output:

1.7500000000
3
(1,2) (2,2) 

result:

ok correct!

Test #94:

score: 0
Accepted
time: 1ms
memory: 4060kb

input:

2 2
..
.X

output:

2.7500000000
4
(1,2) (2,2) 

result:

ok correct!

Test #95:

score: 0
Accepted
time: 0ms
memory: 3980kb

input:

2 2
X.
.X

output:

2.5000000000
4
(2,1) (1,2) 

result:

ok correct!

Test #96:

score: 0
Accepted
time: 1ms
memory: 4000kb

input:

2 2
.X
.X

output:

1.5000000000
2
(1,1) (1,2) 

result:

ok correct!

Test #97:

score: 0
Accepted
time: 1ms
memory: 4084kb

input:

2 2
XX
.X

output:

1.7500000000
3
(1,2) (2,2) 

result:

ok correct!

Test #98:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

2 2
..
XX

output:

3.5000000000
4
(1,2) (2,2) 

result:

ok correct!

Test #99:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

2 2
X.
XX

output:

2.2500000000
4
(2,1) (1,2) 

result:

ok correct!

Test #100:

score: 0
Accepted
time: 0ms
memory: 4060kb

input:

2 2
.X
XX

output:

1.2500000000
2
(1,1) (2,2) 

result:

ok correct!

Test #101:

score: 0
Accepted
time: 1ms
memory: 3980kb

input:

2 2
XX
XX

output:

2.5000000000
3
(1,2) (2,2) 

result:

ok correct!

Test #102:

score: 0
Accepted
time: 0ms
memory: 3980kb

input:

3 1
X..

output:

4.6666666667
7
(2,1) (3,1) 

result:

ok correct!

Test #103:

score: 0
Accepted
time: 1ms
memory: 4132kb

input:

3 1
.X.

output:

2.0000000000
3
(1,1) (3,1) 

result:

ok correct!

Test #104:

score: 0
Accepted
time: 1ms
memory: 4128kb

input:

3 1
XX.

output:

2.0000000000
3
(1,1) (2,1) 

result:

ok correct!

Test #105:

score: 0
Accepted
time: 1ms
memory: 4116kb

input:

3 1
..X

output:

2.0000000000
3
(1,1) (2,1) 

result:

ok correct!

Test #106:

score: 0
Accepted
time: 1ms
memory: 4132kb

input:

3 1
X.X

output:

9.3333333333
14
(1,1) (3,1) 

result:

ok correct!

Test #107:

score: 0
Accepted
time: 1ms
memory: 4092kb

input:

3 1
.XX

output:

2.0000000000
3
(2,1) (3,1) 

result:

ok correct!

Test #108:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

3 1
XXX

output:

5.6666666667
7
(1,1) (2,1) 

result:

ok correct!

Test #109:

score: 0
Accepted
time: 1ms
memory: 4128kb

input:

4 1
X...

output:

12.7500000000
22
(3,1) (4,1) 

result:

ok correct!

Test #110:

score: 0
Accepted
time: 1ms
memory: 4128kb

input:

4 1
.X..

output:

4.2500000000
7
(3,1) (4,1) 

result:

ok correct!

Test #111:

score: 0
Accepted
time: 1ms
memory: 3948kb

input:

4 1
XX..

output:

5.0000000000
7
(3,1) (4,1) 

result:

ok correct!

Test #112:

score: 0
Accepted
time: 1ms
memory: 4104kb

input:

4 1
..X.

output:

4.2500000000
7
(1,1) (4,1) 

result:

ok correct!

Test #113:

score: 0
Accepted
time: 1ms
memory: 4020kb

input:

4 1
X.X.

output:

8.5000000000
14
(1,1) (3,1) 

result:

ok correct!

Test #114:

score: 0
Accepted
time: 1ms
memory: 4116kb

input:

4 1
.XX.

output:

3.0000000000
3
(1,1) (2,1) (3,1) (4,1) 

result:

ok correct!

Test #115:

score: 0
Accepted
time: 1ms
memory: 4060kb

input:

4 1
XXX.

output:

4.2500000000
7
(1,1) (2,1) 

result:

ok correct!

Test #116:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

4 1
...X

output:

7.7500000000
14
(1,1) (2,1) 

result:

ok correct!

Test #117:

score: 0
Accepted
time: 1ms
memory: 4112kb

input:

4 1
X..X

output:

18.0000000000
33
(1,1) (4,1) 

result:

ok correct!

Test #118:

score: 0
Accepted
time: 1ms
memory: 4128kb

input:

4 1
.X.X

output:

10.5000000000
14
(2,1) (4,1) 

result:

ok correct!

Test #119:

score: 0
Accepted
time: 1ms
memory: 4132kb

input:

4 1
XX.X

output:

4.2500000000
7
(2,1) (4,1) 

result:

ok correct!

Test #120:

score: 0
Accepted
time: 1ms
memory: 4092kb

input:

4 1
..XX

output:

3.0000000000
3
(1,1) (2,1) (3,1) (4,1) 

result:

ok correct!

Test #121:

score: 0
Accepted
time: 1ms
memory: 4080kb

input:

4 1
X.XX

output:

4.2500000000
7
(1,1) (4,1) 

result:

ok correct!

Test #122:

score: 0
Accepted
time: 1ms
memory: 4080kb

input:

4 1
.XXX

output:

4.2500000000
7
(2,1) (3,1) 

result:

ok correct!

Test #123:

score: 0
Accepted
time: 1ms
memory: 3988kb

input:

4 1
XXXX

output:

9.5000000000
14
(2,1) (3,1) 

result:

ok correct!

Test #124:

score: 0
Accepted
time: 3ms
memory: 4116kb

input:

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

output:

13274.5900000000
38710
(99,1) (100,1) 

result:

ok correct!

Test #125:

score: 0
Accepted
time: 2ms
memory: 4180kb

input:

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

output:

13076.6300000000
38318
(1,1) (2,1) 

result:

ok correct!

Test #126:

score: 0
Accepted
time: 1ms
memory: 4044kb

input:

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

output:

3356.0100000000
9751
(1,1) (100,1) 

result:

ok correct!

Test #127:

score: 0
Accepted
time: 2ms
memory: 4088kb

input:

100 1
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

output:

3457.5000000000
9950
(50,1) (51,1) 

result:

ok correct!

Test #128:

score: 0
Accepted
time: 4ms
memory: 4188kb

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:

3554.9400000000
9950
(49,1) (51,1) 

result:

ok correct!

Test #129:

score: 0
Accepted
time: 8ms
memory: 4148kb

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:

3451.0700000000
9751
(49,1) (51,1) 

result:

ok correct!

Test #130:

score: 0
Accepted
time: 2ms
memory: 4052kb

input:

1 100
X
.
.
.
.
.
.
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output:

12977.6500000000
38122
(1,1) (1,2) 

result:

ok correct!

Test #131:

score: 0
Accepted
time: 2ms
memory: 4140kb

input:

1 100
.
.
.
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.
.
X

output:

13175.6100000000
38514
(1,99) (1,100) 

result:

ok correct!

Test #132:

score: 0
Accepted
time: 1ms
memory: 4052kb

input:

1 100
.
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output:

3306.0300000000
9653
(1,99) (1,100) 

result:

ok correct!

Test #133:

score: 0
Accepted
time: 4ms
memory: 4120kb

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:

3406.5000000000
9850
(1,50) (1,51) 

result:

ok correct!

Test #134:

score: 0
Accepted
time: 2ms
memory: 4112kb

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
.
X
.
X
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X
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X
.

output:

3503.0200000000
9850
(1,50) (1,52) 

result:

ok correct!

Test #135:

score: 0
Accepted
time: 6ms
memory: 4224kb

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.
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X.
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X.
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X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
X.
.X
...

output:

3401.1100000000
9654
(2,49) (2,51) 

result:

ok correct!

Test #136:

score: 0
Accepted
time: 0ms
memory: 4160kb

input:

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

output:

58.0800000000
95
(5,10) (6,10) 

result:

ok correct!

Test #137:

score: 0
Accepted
time: 390ms
memory: 9332kb

input:

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

output:

13878.9275000000
38908
(99,1) (100,1) 

result:

ok correct!

Test #138:

score: 0
Accepted
time: 396ms
memory: 9288kb

input:

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

output:

14059.2725000000
39302
(99,100) (100,100) 

result:

ok correct!

Test #139:

score: 0
Accepted
time: 389ms
memory: 9328kb

input:

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

output:

14132.2825000000
39500
(100,1) (100,2) 

result:

ok correct!

Test #140:

score: 0
Accepted
time: 408ms
memory: 9196kb

input:

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

output:

13951.4325000000
39104
(1,99) (1,100) 

result:

ok correct!

Test #141:

score: 0
Accepted
time: 314ms
memory: 4452kb

input:

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

output:

19733.3399000000
39302
(99,100) (100,100) 

result:

ok correct!

Test #142:

score: 0
Accepted
time: 300ms
memory: 4440kb

input:

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

output:

19601.0099000000
39104
(1,99) (1,100) 

result:

ok correct!

Test #143:

score: 0
Accepted
time: 86ms
memory: 4384kb

input:

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

output:

5001.4899000000
10098
(99,100) (100,100) 

result:

ok correct!

Test #144:

score: 0
Accepted
time: 2ms
memory: 4204kb

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:

12.8125000000
31
(13,5) (15,18) 

result:

ok correct!

Test #145:

score: 0
Accepted
time: 33ms
memory: 5332kb

input:

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

output:

60.8308000000
195
(28,1) (1,35) 

result:

ok correct!

Test #146:

score: 0
Accepted
time: 427ms
memory: 9336kb

input:

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

output:

227.5349000000
1062
(96,95) (55,100) 

result:

ok correct!

Extra Test:

score: 0
Extra Test Passed