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#267204#5112. Where Am I?juampiAC ✓231ms53316kbJava83.5kb2023-11-27 01:48:292023-11-27 01:48:29

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你现在查看的是最新测评结果

  • [2023-11-27 01:48:29]
  • 评测
  • 测评结果:AC
  • 用时:231ms
  • 内存:53316kb
  • [2023-11-27 01:48:29]
  • 提交

answer

// Arup Guha
// 11/11/2022
// Solution to 2021 WF Problem: Where Am I?

import java.util.*;
import java.io.*;

public class l {

	// Dimensions of grid.
	public static int n;
	public static int x;
	public static int y;
	
	public static ArrayList<int[]> pts;
	
	public static void main(String[] args) throws Exception {
	
		BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer tok = new StringTokenizer(stdin.readLine());
		x = Integer.parseInt(tok.nextToken());
		y = Integer.parseInt(tok.nextToken());
		
		pts = new ArrayList<int[]>();
		
		// Read through the y rows.
		for (int i=0; i<y; i++) {
		
			// Go through this row adding each point of interest.
			char[] tmp = stdin.readLine().toCharArray();
			for (int j=0; j<x; j++)
				if (tmp[j] == 'X')
					pts.add(new int[]{j, i});
		}
		
		// # of pts.
		n = pts.size();
		
		// Get all sequences.
		seq[] all = new seq[x*y];
		for (int i=0; i<x*y; i++) 
			all[i] = getSeq(i%x, i/x);
		
		// Sort in lexicographical order.
		Arrays.sort(all);
	
		// Get each difference.
		long tot = 0;
		long[] diff = new long[x*y];
		for (int i=0; i<x*y; i++) {
			long tmp1 = i > 0 ?     all[i].whenDiff(all[i-1]) : 0;
			long tmp2 = i < x*y-1 ? all[i].whenDiff(all[i+1]) : 0;
			diff[i] = Math.max(tmp1, tmp2);
			tot += diff[i];
		}
		
		// Expected Value.
		System.out.println((tot*1.0)/(x*y));
		
		// Max Difference.
		long maxD = 0;
		for (int i=0; i<x*y; i++) maxD = Math.max(diff[i], maxD);
		System.out.println(maxD);
		
		// Get all spots and sort.
		ArrayList<Integer> spots = new ArrayList<Integer>();
		for (int i=0; i<x*y; i++) if (diff[i] == maxD) spots.add(1000*all[i].y + all[i].x);
		Collections.sort(spots);
		
		// Print spots.
		for (int i=0; i<spots.size(); i++) {
			int item = spots.get(i);
			System.out.print("("+(item%1000)+","+(item/1000)+")");
			if (i<spots.size()-1) System.out.print(" ");
		}
		System.out.println();
	}
	
	// Returns the number order of (dx, dy). Note my +y goes down not up.
	public static int getRank(int dx, int dy) {	
		int w = Math.max(Math.abs(dx), Math.abs(dy));
		if (w == 0) return 0;
		if (dx == w)       return 2*w*(2*w-1) + dy + w;
		else if (dy == w)  return (2*w)*(2*w) + w - dx;
		else if (dx == -w) return (2*w)*(2*w)+2*w + w - dy;
		else               return (2*w-1)*(2*w-1) + dx + w - 1;
	}
	
	// Returns the corresponding sequence object if we start at (myx, myy)
	public static seq getSeq(int myx, int myy) {
	
		// Just get the rank of each X and store in array.
		int i = 0;
		int[] res = new int[n];
		for (int[] pt: pts) {
			int dx = pt[0] - myx;
			int dy = pt[1] - myy;
			res[i++] = getRank(dx, dy);
		}
		
		return new seq(res, myx+1, y-myy);
	}
}

class seq implements Comparable<seq> {

	public int[] nums;
	public int x;
	public int y;
	
	public seq(int[] arr, int myx, int myy) {
		Arrays.sort(arr);
		nums = new int[arr.length];
		for (int i=0; i<arr.length; i++) nums[i] = arr[i];
		x = myx;
		y = myy;
	}
	
	// Does lexicographical comparison.
	public int compareTo(seq other) {
		for (int i=0; i<nums.length; i++)
			if (nums[i] != other.nums[i])
				return nums[i] - other.nums[i];
		return 0;
	}
	
	// Returns when we can differentiate this seq from other.
	public int whenDiff(seq other) {
		for (int i=0; i<nums.length; i++) 
			if (nums[i] != other.nums[i]) 
				return Math.min(nums[i],other.nums[i]);		
		return 100; // should never get here.
	}
}

详细

Test #1:

score: 100
Accepted
time: 39ms
memory: 37392kb

input:

1 1
X

output:

0.0
0
(1,1)

result:

ok correct!

Test #2:

score: 0
Accepted
time: 43ms
memory: 37780kb

input:

2 1
.X

output:

0.0
0
(1,1) (2,1)

result:

ok correct!

Test #3:

score: 0
Accepted
time: 26ms
memory: 38512kb

input:

2 1
X.

output:

0.0
0
(1,1) (2,1)

result:

ok correct!

Test #4:

score: 0
Accepted
time: 36ms
memory: 37628kb

input:

1 2
.
X

output:

0.0
0
(1,1) (1,2)

result:

ok correct!

Test #5:

score: 0
Accepted
time: 29ms
memory: 37040kb

input:

1 2
X
.

output:

0.0
0
(1,1) (1,2)

result:

ok correct!

Test #6:

score: 0
Accepted
time: 42ms
memory: 37172kb

input:

2 1
XX

output:

3.0
3
(1,1) (2,1)

result:

ok correct!

Test #7:

score: 0
Accepted
time: 36ms
memory: 37340kb

input:

3 3
XXX
X.X
XXX

output:

3.111111111111111
5
(3,1) (3,2)

result:

ok correct!

Test #8:

score: 0
Accepted
time: 192ms
memory: 51228kb

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:

4757.9471
9704
(50,1) (50,100)

result:

ok correct!

Test #9:

score: 0
Accepted
time: 74ms
memory: 42988kb

input:

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

output:

19735.3199
39599
(100,1) (100,2)

result:

ok correct!

Test #10:

score: 0
Accepted
time: 84ms
memory: 43164kb

input:

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

output:

19865.6699
39500
(100,1) (100,2)

result:

ok correct!

Test #11:

score: 0
Accepted
time: 222ms
memory: 50244kb

input:

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

output:

11855.6392
39302
(100,99) (99,100)

result:

ok correct!

Test #12:

score: 0
Accepted
time: 231ms
memory: 50204kb

input:

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

output:

11854.6098
39104
(1,99) (2,100)

result:

ok correct!

Test #13:

score: 0
Accepted
time: 82ms
memory: 41436kb

input:

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

output:

50.097945205479455
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: 116ms
memory: 45548kb

input:

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

output:

100.71120107962213
742
(1,1) (2,1)

result:

ok correct!

Test #15:

score: 0
Accepted
time: 71ms
memory: 40196kb

input:

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

output:

494.4978813559322
1503
(56,38) (56,39)

result:

ok correct!

Test #16:

score: 0
Accepted
time: 124ms
memory: 43964kb

input:

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

output:

122.54531168150865
387
(1,19) (19,32)

result:

ok correct!

Test #17:

score: 0
Accepted
time: 99ms
memory: 41884kb

input:

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

output:

103.48744410044719
334
(10,57) (11,57)

result:

ok correct!

Test #18:

score: 0
Accepted
time: 93ms
memory: 41376kb

input:

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

output:

480.5729739010989
1215
(64,71) (63,91)

result:

ok correct!

Test #19:

score: 0
Accepted
time: 117ms
memory: 42924kb

input:

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

output:

79.14933333333333
319
(1,39) (1,40)

result:

ok correct!

Test #20:

score: 0
Accepted
time: 127ms
memory: 44708kb

input:

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

output:

383.8083237877052
1084
(93,9) (51,51)

result:

ok correct!

Test #21:

score: 0
Accepted
time: 115ms
memory: 44272kb

input:

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

output:

161.07016739279982
520
(89,1) (2,41)

result:

ok correct!

Test #22:

score: 0
Accepted
time: 97ms
memory: 44604kb

input:

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

output:

176.08318181818183
611
(80,2) (79,37)

result:

ok correct!

Test #23:

score: 0
Accepted
time: 83ms
memory: 42856kb

input:

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

output:

291.7060294526257
860
(1,1) (1,50)

result:

ok correct!

Test #24:

score: 0
Accepted
time: 108ms
memory: 44016kb

input:

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

output:

152.16188063063063
512
(48,9) (48,67)

result:

ok correct!

Test #25:

score: 0
Accepted
time: 220ms
memory: 49904kb

input:

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

output:

212.39625
1031
(1,67) (1,68)

result:

ok correct!

Test #26:

score: 0
Accepted
time: 134ms
memory: 45376kb

input:

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

output:

357.121327254306
2687
(1,83) (1,84)

result:

ok correct!

Test #27:

score: 0
Accepted
time: 159ms
memory: 47940kb

input:

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

output:

225.85552325581395
975
(84,1) (85,1)

result:

ok correct!

Test #28:

score: 0
Accepted
time: 151ms
memory: 45872kb

input:

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

output:

139.7340264240849
647
(24,1) (81,4)

result:

ok correct!

Test #29:

score: 0
Accepted
time: 122ms
memory: 43876kb

input:

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

output:

738.974479638009
3378
(5,45) (5,56)

result:

ok correct!

Test #30:

score: 0
Accepted
time: 89ms
memory: 43044kb

input:

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

output:

1550.390977443609
4192
(76,34) (76,96)

result:

ok correct!

Test #31:

score: 0
Accepted
time: 73ms
memory: 42916kb

input:

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

output:

648.6502166586423
2420
(16,1) (1,13)

result:

ok correct!

Test #32:

score: 0
Accepted
time: 130ms
memory: 46632kb

input:

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

output:

207.33775510204083
895
(1,97) (1,98)

result:

ok correct!

Test #33:

score: 0
Accepted
time: 186ms
memory: 48576kb

input:

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

output:

193.03023126219003
1078
(74,70) (71,93)

result:

ok correct!

Test #34:

score: 0
Accepted
time: 74ms
memory: 40408kb

input:

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

output:

2021.0699622957688
4937
(46,73) (8,77)

result:

ok correct!

Test #35:

score: 0
Accepted
time: 98ms
memory: 43756kb

input:

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

output:

142.15382403680277
673
(1,74) (2,74)

result:

ok correct!

Test #36:

score: 0
Accepted
time: 88ms
memory: 42908kb

input:

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

output:

102.81420437518729
334
(44,4) (47,37)

result:

ok correct!

Test #37:

score: 0
Accepted
time: 101ms
memory: 45596kb

input:

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

output:

81.66998491704373
314
(1,64) (1,65)

result:

ok correct!

Test #38:

score: 0
Accepted
time: 75ms
memory: 42784kb

input:

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

output:

300.30752688172043
1326
(39,93) (40,93)

result:

ok correct!

Test #39:

score: 0
Accepted
time: 170ms
memory: 47904kb

input:

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

output:

474.0689655172414
2063
(1,1) (49,1)

result:

ok correct!

Test #40:

score: 0
Accepted
time: 61ms
memory: 38472kb

input:

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

output:

2555.3674838112856
5914
(46,1) (46,2)

result:

ok correct!

Test #41:

score: 0
Accepted
time: 63ms
memory: 42120kb

input:

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

output:

2389.200358422939
11288
(21,60) (22,60)

result:

ok correct!

Test #42:

score: 0
Accepted
time: 128ms
memory: 45960kb

input:

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

output:

225.08916025426564
803
(10,61) (11,61)

result:

ok correct!

Test #43:

score: 0
Accepted
time: 222ms
memory: 53316kb

input:

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

output:

213.68756998880178
941
(33,89) (33,90)

result:

ok correct!

Test #44:

score: 0
Accepted
time: 147ms
memory: 46012kb

input:

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

output:

1330.0895390070923
4671
(60,71) (38,72)

result:

ok correct!

Test #45:

score: 0
Accepted
time: 98ms
memory: 41780kb

input:

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

output:

67.35474308300395
645
(1,1) (2,1)

result:

ok correct!

Test #46:

score: 0
Accepted
time: 129ms
memory: 45960kb

input:

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

output:

80.04102564102564
332
(64,34) (65,34)

result:

ok correct!

Test #47:

score: 0
Accepted
time: 118ms
memory: 44336kb

input:

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

output:

100.4660449545672
360
(49,3) (51,62)

result:

ok correct!

Test #48:

score: 0
Accepted
time: 106ms
memory: 41992kb

input:

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

output:

302.789846743295
799
(87,29) (87,58)

result:

ok correct!

Test #49:

score: 0
Accepted
time: 76ms
memory: 41972kb

input:

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

output:

150.34691252144083
930
(52,44) (53,44)

result:

ok correct!

Test #50:

score: 0
Accepted
time: 143ms
memory: 46384kb

input:

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

output:

690.6464136872121
3826
(1,96) (1,97)

result:

ok correct!

Test #51:

score: 0
Accepted
time: 92ms
memory: 41712kb

input:

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

output:

356.9745798319328
1620
(23,68) (51,68)

result:

ok correct!

Test #52:

score: 0
Accepted
time: 109ms
memory: 44748kb

input:

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

output:

1705.102197802198
4664
(100,44) (100,90)

result:

ok correct!

Test #53:

score: 0
Accepted
time: 81ms
memory: 42644kb

input:

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

output:

2976.142316017316
8305
(68,1) (69,1)

result:

ok correct!

Test #54:

score: 0
Accepted
time: 80ms
memory: 42336kb

input:

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

output:

140.1879734848485
466
(8,7) (1,20)

result:

ok correct!

Test #55:

score: 0
Accepted
time: 157ms
memory: 47040kb

input:

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

output:

179.27925170068028
713
(98,56) (98,57)

result:

ok correct!

Test #56:

score: 0
Accepted
time: 91ms
memory: 41768kb

input:

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

output:

75.12952060555088
228
(2,1) (49,27)

result:

ok correct!

Test #57:

score: 0
Accepted
time: 150ms
memory: 45120kb

input:

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

output:

115.9405701754386
390
(15,48) (79,48)

result:

ok correct!

Test #58:

score: 0
Accepted
time: 102ms
memory: 44156kb

input:

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

output:

127.05028462998102
432
(7,1) (51,6)

result:

ok correct!

Test #59:

score: 0
Accepted
time: 184ms
memory: 47860kb

input:

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

output:

215.50094921689606
732
(66,70) (68,72)

result:

ok correct!

Test #60:

score: 0
Accepted
time: 152ms
memory: 46200kb

input:

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

output:

309.110357727379
1541
(78,1) (90,8)

result:

ok correct!

Test #61:

score: 0
Accepted
time: 89ms
memory: 44304kb

input:

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

output:

164.8780780780781
772
(1,7) (1,8)

result:

ok correct!

Test #62:

score: 0
Accepted
time: 127ms
memory: 44524kb

input:

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

output:

106.01293759512937
560
(1,1) (1,2)

result:

ok correct!

Test #63:

score: 0
Accepted
time: 141ms
memory: 46588kb

input:

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

output:

423.71487441130296
1455
(63,19) (24,20)

result:

ok correct!

Test #64:

score: 0
Accepted
time: 41ms
memory: 38428kb

input:

1 2
X
X

output:

1.0
1
(1,1) (1,2)

result:

ok correct!

Test #65:

score: 0
Accepted
time: 30ms
memory: 37252kb

input:

1 3
X
.
.

output:

0.6666666666666666
1
(1,1) (1,2)

result:

ok correct!

Test #66:

score: 0
Accepted
time: 38ms
memory: 37012kb

input:

1 3
.
X
.

output:

0.6666666666666666
1
(1,1) (1,3)

result:

ok correct!

Test #67:

score: 0
Accepted
time: 38ms
memory: 37068kb

input:

1 3
X
X
.

output:

0.6666666666666666
1
(1,2) (1,3)

result:

ok correct!

Test #68:

score: 0
Accepted
time: 52ms
memory: 37272kb

input:

1 3
.
.
X

output:

3.3333333333333335
5
(1,2) (1,3)

result:

ok correct!

Test #69:

score: 0
Accepted
time: 40ms
memory: 39716kb

input:

1 3
X
.
X

output:

6.666666666666667
10
(1,1) (1,3)

result:

ok correct!

Test #70:

score: 0
Accepted
time: 45ms
memory: 38304kb

input:

1 3
.
X
X

output:

0.6666666666666666
1
(1,1) (1,2)

result:

ok correct!

Test #71:

score: 0
Accepted
time: 46ms
memory: 37028kb

input:

1 3
X
X
X

output:

3.6666666666666665
5
(1,1) (1,2)

result:

ok correct!

Test #72:

score: 0
Accepted
time: 41ms
memory: 38432kb

input:

1 4
X
.
.
.

output:

5.25
10
(1,1) (1,2)

result:

ok correct!

Test #73:

score: 0
Accepted
time: 36ms
memory: 37016kb

input:

1 4
.
X
.
.

output:

2.75
5
(1,1) (1,4)

result:

ok correct!

Test #74:

score: 0
Accepted
time: 41ms
memory: 39056kb

input:

1 4
X
X
.
.

output:

1.0
1
(1,1) (1,2) (1,3) (1,4)

result:

ok correct!

Test #75:

score: 0
Accepted
time: 43ms
memory: 37832kb

input:

1 4
.
.
X
.

output:

2.75
5
(1,3) (1,4)

result:

ok correct!

Test #76:

score: 0
Accepted
time: 30ms
memory: 38340kb

input:

1 4
X
.
X
.

output:

7.5
10
(1,2) (1,4)

result:

ok correct!

Test #77:

score: 0
Accepted
time: 43ms
memory: 38036kb

input:

1 4
.
X
X
.

output:

1.0
1
(1,1) (1,2) (1,3) (1,4)

result:

ok correct!

Test #78:

score: 0
Accepted
time: 40ms
memory: 37148kb

input:

1 4
X
X
X
.

output:

2.75
5
(1,2) (1,3)

result:

ok correct!

Test #79:

score: 0
Accepted
time: 40ms
memory: 39636kb

input:

1 4
.
.
.
X

output:

10.25
18
(1,3) (1,4)

result:

ok correct!

Test #80:

score: 0
Accepted
time: 40ms
memory: 38368kb

input:

1 4
X
.
.
X

output:

14.0
27
(1,1) (1,4)

result:

ok correct!

Test #81:

score: 0
Accepted
time: 32ms
memory: 37260kb

input:

1 4
.
X
.
X

output:

5.5
10
(1,1) (1,3)

result:

ok correct!

Test #82:

score: 0
Accepted
time: 39ms
memory: 37380kb

input:

1 4
X
X
.
X

output:

2.75
5
(1,1) (1,4)

result:

ok correct!

Test #83:

score: 0
Accepted
time: 32ms
memory: 37256kb

input:

1 4
.
.
X
X

output:

3.0
5
(1,3) (1,4)

result:

ok correct!

Test #84:

score: 0
Accepted
time: 19ms
memory: 37204kb

input:

1 4
X
.
X
X

output:

2.75
5
(1,2) (1,4)

result:

ok correct!

Test #85:

score: 0
Accepted
time: 39ms
memory: 37380kb

input:

1 4
.
X
X
X

output:

2.75
5
(1,1) (1,2)

result:

ok correct!

Test #86:

score: 0
Accepted
time: 45ms
memory: 39648kb

input:

1 4
X
X
X
X

output:

6.5
10
(1,2) (1,3)

result:

ok correct!

Test #87:

score: 0
Accepted
time: 35ms
memory: 37048kb

input:

2 2
X.
..

output:

3.75
7
(2,1) (2,2)

result:

ok correct!

Test #88:

score: 0
Accepted
time: 36ms
memory: 38040kb

input:

2 2
.X
..

output:

1.25
2
(1,1) (1,2)

result:

ok correct!

Test #89:

score: 0
Accepted
time: 41ms
memory: 37208kb

input:

2 2
XX
..

output:

2.5
3
(1,2) (2,2)

result:

ok correct!

Test #90:

score: 0
Accepted
time: 43ms
memory: 38080kb

input:

2 2
..
X.

output:

4.25
6
(2,1) (2,2)

result:

ok correct!

Test #91:

score: 0
Accepted
time: 43ms
memory: 37200kb

input:

2 2
X.
X.

output:

3.5
6
(2,1) (2,2)

result:

ok correct!

Test #92:

score: 0
Accepted
time: 49ms
memory: 37380kb

input:

2 2
.X
X.

output:

1.5
2
(1,1) (2,2)

result:

ok correct!

Test #93:

score: 0
Accepted
time: 38ms
memory: 38568kb

input:

2 2
XX
X.

output:

1.75
3
(1,2) (2,2)

result:

ok correct!

Test #94:

score: 0
Accepted
time: 29ms
memory: 38004kb

input:

2 2
..
.X

output:

2.75
4
(1,2) (2,2)

result:

ok correct!

Test #95:

score: 0
Accepted
time: 45ms
memory: 39196kb

input:

2 2
X.
.X

output:

2.5
4
(2,1) (1,2)

result:

ok correct!

Test #96:

score: 0
Accepted
time: 42ms
memory: 38196kb

input:

2 2
.X
.X

output:

1.5
2
(1,1) (1,2)

result:

ok correct!

Test #97:

score: 0
Accepted
time: 37ms
memory: 36996kb

input:

2 2
XX
.X

output:

1.75
3
(1,2) (2,2)

result:

ok correct!

Test #98:

score: 0
Accepted
time: 36ms
memory: 39608kb

input:

2 2
..
XX

output:

3.5
4
(1,2) (2,2)

result:

ok correct!

Test #99:

score: 0
Accepted
time: 51ms
memory: 37044kb

input:

2 2
X.
XX

output:

2.25
4
(2,1) (1,2)

result:

ok correct!

Test #100:

score: 0
Accepted
time: 45ms
memory: 38024kb

input:

2 2
.X
XX

output:

1.25
2
(1,1) (2,2)

result:

ok correct!

Test #101:

score: 0
Accepted
time: 43ms
memory: 37072kb

input:

2 2
XX
XX

output:

2.5
3
(1,2) (2,2)

result:

ok correct!

Test #102:

score: 0
Accepted
time: 45ms
memory: 38696kb

input:

3 1
X..

output:

4.666666666666667
7
(2,1) (3,1)

result:

ok correct!

Test #103:

score: 0
Accepted
time: 37ms
memory: 38200kb

input:

3 1
.X.

output:

2.0
3
(1,1) (3,1)

result:

ok correct!

Test #104:

score: 0
Accepted
time: 28ms
memory: 37608kb

input:

3 1
XX.

output:

2.0
3
(1,1) (2,1)

result:

ok correct!

Test #105:

score: 0
Accepted
time: 40ms
memory: 37152kb

input:

3 1
..X

output:

2.0
3
(1,1) (2,1)

result:

ok correct!

Test #106:

score: 0
Accepted
time: 44ms
memory: 38576kb

input:

3 1
X.X

output:

9.333333333333334
14
(1,1) (3,1)

result:

ok correct!

Test #107:

score: 0
Accepted
time: 33ms
memory: 37192kb

input:

3 1
.XX

output:

2.0
3
(2,1) (3,1)

result:

ok correct!

Test #108:

score: 0
Accepted
time: 41ms
memory: 38540kb

input:

3 1
XXX

output:

5.666666666666667
7
(1,1) (2,1)

result:

ok correct!

Test #109:

score: 0
Accepted
time: 36ms
memory: 38060kb

input:

4 1
X...

output:

12.75
22
(3,1) (4,1)

result:

ok correct!

Test #110:

score: 0
Accepted
time: 37ms
memory: 38140kb

input:

4 1
.X..

output:

4.25
7
(3,1) (4,1)

result:

ok correct!

Test #111:

score: 0
Accepted
time: 33ms
memory: 39648kb

input:

4 1
XX..

output:

5.0
7
(3,1) (4,1)

result:

ok correct!

Test #112:

score: 0
Accepted
time: 36ms
memory: 39460kb

input:

4 1
..X.

output:

4.25
7
(1,1) (4,1)

result:

ok correct!

Test #113:

score: 0
Accepted
time: 50ms
memory: 37936kb

input:

4 1
X.X.

output:

8.5
14
(1,1) (3,1)

result:

ok correct!

Test #114:

score: 0
Accepted
time: 41ms
memory: 38452kb

input:

4 1
.XX.

output:

3.0
3
(1,1) (2,1) (3,1) (4,1)

result:

ok correct!

Test #115:

score: 0
Accepted
time: 33ms
memory: 38216kb

input:

4 1
XXX.

output:

4.25
7
(1,1) (2,1)

result:

ok correct!

Test #116:

score: 0
Accepted
time: 38ms
memory: 37984kb

input:

4 1
...X

output:

7.75
14
(1,1) (2,1)

result:

ok correct!

Test #117:

score: 0
Accepted
time: 44ms
memory: 37448kb

input:

4 1
X..X

output:

18.0
33
(1,1) (4,1)

result:

ok correct!

Test #118:

score: 0
Accepted
time: 37ms
memory: 36976kb

input:

4 1
.X.X

output:

10.5
14
(2,1) (4,1)

result:

ok correct!

Test #119:

score: 0
Accepted
time: 41ms
memory: 38092kb

input:

4 1
XX.X

output:

4.25
7
(2,1) (4,1)

result:

ok correct!

Test #120:

score: 0
Accepted
time: 46ms
memory: 38252kb

input:

4 1
..XX

output:

3.0
3
(1,1) (2,1) (3,1) (4,1)

result:

ok correct!

Test #121:

score: 0
Accepted
time: 51ms
memory: 38740kb

input:

4 1
X.XX

output:

4.25
7
(1,1) (4,1)

result:

ok correct!

Test #122:

score: 0
Accepted
time: 37ms
memory: 37284kb

input:

4 1
.XXX

output:

4.25
7
(2,1) (3,1)

result:

ok correct!

Test #123:

score: 0
Accepted
time: 50ms
memory: 37332kb

input:

4 1
XXXX

output:

9.5
14
(2,1) (3,1)

result:

ok correct!

Test #124:

score: 0
Accepted
time: 28ms
memory: 37208kb

input:

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

output:

13274.59
38710
(99,1) (100,1)

result:

ok correct!

Test #125:

score: 0
Accepted
time: 38ms
memory: 38508kb

input:

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

output:

13076.63
38318
(1,1) (2,1)

result:

ok correct!

Test #126:

score: 0
Accepted
time: 39ms
memory: 38540kb

input:

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

output:

3356.01
9751
(1,1) (100,1)

result:

ok correct!

Test #127:

score: 0
Accepted
time: 50ms
memory: 40216kb

input:

100 1
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

output:

3457.5
9950
(50,1) (51,1)

result:

ok correct!

Test #128:

score: 0
Accepted
time: 47ms
memory: 40252kb

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:

3554.94
9950
(49,1) (51,1)

result:

ok correct!

Test #129:

score: 0
Accepted
time: 69ms
memory: 39892kb

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:

3451.07
9751
(49,1) (51,1)

result:

ok correct!

Test #130:

score: 0
Accepted
time: 41ms
memory: 37232kb

input:

1 100
X
.
.
.
.
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output:

12977.65
38122
(1,1) (1,2)

result:

ok correct!

Test #131:

score: 0
Accepted
time: 38ms
memory: 38464kb

input:

1 100
.
.
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.
X

output:

13175.61
38514
(1,99) (1,100)

result:

ok correct!

Test #132:

score: 0
Accepted
time: 42ms
memory: 37332kb

input:

1 100
.
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output:

3306.03
9653
(1,99) (1,100)

result:

ok correct!

Test #133:

score: 0
Accepted
time: 39ms
memory: 39764kb

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:

3406.5
9850
(1,50) (1,51)

result:

ok correct!

Test #134:

score: 0
Accepted
time: 50ms
memory: 39796kb

input:

1 100
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
.

output:

3503.02
9850
(1,50) (1,52)

result:

ok correct!

Test #135:

score: 0
Accepted
time: 60ms
memory: 39404kb

input:

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

output:

3401.11
9654
(2,49) (2,51)

result:

ok correct!

Test #136:

score: 0
Accepted
time: 54ms
memory: 38772kb

input:

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

output:

58.08
95
(5,10) (6,10)

result:

ok correct!

Test #137:

score: 0
Accepted
time: 183ms
memory: 50116kb

input:

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

output:

13878.9275
38908
(99,1) (100,1)

result:

ok correct!

Test #138:

score: 0
Accepted
time: 186ms
memory: 50840kb

input:

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

output:

14059.2725
39302
(99,100) (100,100)

result:

ok correct!

Test #139:

score: 0
Accepted
time: 187ms
memory: 51056kb

input:

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

output:

14132.2825
39500
(100,1) (100,2)

result:

ok correct!

Test #140:

score: 0
Accepted
time: 222ms
memory: 51376kb

input:

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

output:

13951.4325
39104
(1,99) (1,100)

result:

ok correct!

Test #141:

score: 0
Accepted
time: 81ms
memory: 41832kb

input:

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

output:

19733.3399
39302
(99,100) (100,100)

result:

ok correct!

Test #142:

score: 0
Accepted
time: 67ms
memory: 42456kb

input:

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

output:

19601.0099
39104
(1,99) (1,100)

result:

ok correct!

Test #143:

score: 0
Accepted
time: 70ms
memory: 41904kb

input:

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

output:

5001.4899
10098
(99,100) (100,100)

result:

ok correct!

Test #144:

score: 0
Accepted
time: 56ms
memory: 41084kb

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:

12.8125
31
(13,5) (15,18)

result:

ok correct!

Test #145:

score: 0
Accepted
time: 104ms
memory: 41252kb

input:

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

output:

60.8308
195
(28,1) (1,35)

result:

ok correct!

Test #146:

score: 0
Accepted
time: 218ms
memory: 50680kb

input:

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

output:

227.5349
1062
(96,95) (55,100)

result:

ok correct!

Extra Test:

score: 0
Extra Test Passed