QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#390079#5112. Where Am I?0_GB_RAM#AC ✓905ms7076kbC++233.5kb2024-04-15 02:42:292024-04-15 02:42:30

Judging History

你现在查看的是最新测评结果

  • [2024-04-15 02:42:30]
  • 评测
  • 测评结果:AC
  • 用时:905ms
  • 内存:7076kb
  • [2024-04-15 02:42:29]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

using ll=long long;
#define int ll
#define rep(i,a,b) for(int i=a;i<(b);++i)
#define all(x) begin(x),end(x)
#define sz(x) (int)((x).size())
using pii=pair<int,int>;
using vi=vector<int>;
#define fi first
#define se second
#define pb push_back

int X[111][111];
int T[111][111];
const int N = 111111;
int dx[N];
int dy[N];

int n, m;
int get(int x, int y)
{
    if (x<0 || x>=n || y<0 || y>=m)
        return 0;
    return X[x][y];
}

void fill()
{
    int c = 0;
    dx[c] = 0;
    dy[c] = 0;
    c++;
    for (int s=0; ; s++) {
        for (int i = -s+1; i <= s; i++)
        {
            dx[c] = -s;
            dy[c] = i;
            c++;
            if (c >= N) return;
        }
        for (int i = -s+1; i <= s; i++)
        {
            dx[c] = i;
            dy[c] = s;
            c++;
            if (c >= N) return;
        }
        for (int i = s-1; i >= -s; i--)
        {
            dx[c] = s;
            dy[c] = i;
            c++;
            if (c >= N) return;
        }
        for (int i = s-1; i >= -s; i--)
        {
            dx[c] = i;
            dy[c] = -s;
            c++;
            if (c >= N) return;
        }
    }
}

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(cin.failbit);
/*
 5 1
..XX.
 */
    fill();

//    for (int i = 0; i < 20; i++)
//        cout << i << " " << dx[i] << " " << dy[i] << "\n";
//    return 0;

    cin >> n >> m;
    swap(n, m);
    for (int i = 0; i < n; i++) {
        string s;
        cin >> s;
        for (int j = 0; j < m; j++)
            if (s[j] == 'X')
                X[i][j] = 1;
    }

    vector<vector<pair<int, int> > > st(1);
    for (int i=0; i<n; i++)
        for (int j=0; j<m; j++)
            st[0].pb({i, j});
    int mx = 0;
    for (int t = 0;; t++)
    {

//        cout<<"TTTTTTTTTT "<<t<<"\n";
//        cout<<dx[t]<<" "<<dy[t]<<"\n";
//        for (int i=0; i<sz(st); i++)
//        {
//            for (auto pa:st[i])
//                cout<<pa.fi<<" "<<pa.se<<"\n";
//            cout<<"\n";
//        }
//        cout<<endl;
        vector<vector<pair<int, int> > > nt;
        int id = 0;
        for (const auto& v : st)
        {
            if (v.size() <= 1)
                continue;
            nt.pb({});
            nt.pb({});
            nt[id].reserve(v.size());

            vector<pair<int, int> > a, b;
            for (const auto& [x, y] : v)
                if (get(x+dx[t], y+dy[t]))
                    nt[id].pb({x, y});
                else
                    nt[id+1].pb({x, y});

            id+=2;
        }
        st = nt;
        if (st.size() == 0)
            break;

        for (const auto& v : st)
            if (v.size() == 1)
                T[v[0].fi][v[0].se] = t, mx = t;
    }
    int sum = 0;
    for (int i=0; i<n; i++)
        for (int j=0; j<m; j++)
            sum += T[i][j];
//    for (int i=0; i<n; i++, cout<<"\n")
//        for (int j=0; j<m; j++)
//            cout<<T[i][j]<<" ";
//    for (int i=0; i<n; i++, cout<<"\n")
//        for (int j=0; j<m; j++)
//            cout<<X[i][j]<<" ";

    cout<<fixed<<setprecision(10);
    cout<<sum*1.0/n/m<<"\n";
    cout<<mx<<"\n";
    set<pair<int, int> > stx;
    for (int i=0; i<n; i++)
        for (int j=0; j<m; j++)
            if (T[i][j] == mx)
                stx.insert({n-i, j+1});
    for (auto pa : stx)
        cout<<"("<<pa.se<<","<<pa.fi<<") ";

}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 5836kb

input:

1 1
X

output:

0.0000000000
0
(1,1) 

result:

ok correct!

Test #2:

score: 0
Accepted
time: 1ms
memory: 5756kb

input:

2 1
.X

output:

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

result:

ok correct!

Test #3:

score: 0
Accepted
time: 0ms
memory: 5592kb

input:

2 1
X.

output:

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

result:

ok correct!

Test #4:

score: 0
Accepted
time: 0ms
memory: 5760kb

input:

1 2
.
X

output:

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

result:

ok correct!

Test #5:

score: 0
Accepted
time: 1ms
memory: 5720kb

input:

1 2
X
.

output:

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

result:

ok correct!

Test #6:

score: 0
Accepted
time: 1ms
memory: 5544kb

input:

2 1
XX

output:

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

result:

ok correct!

Test #7:

score: 0
Accepted
time: 1ms
memory: 5816kb

input:

3 3
XXX
X.X
XXX

output:

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

result:

ok correct!

Test #8:

score: 0
Accepted
time: 818ms
memory: 7000kb

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: 751ms
memory: 6100kb

input:

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

output:

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

result:

ok correct!

Test #10:

score: 0
Accepted
time: 782ms
memory: 6060kb

input:

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

output:

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

result:

ok correct!

Test #11:

score: 0
Accepted
time: 903ms
memory: 6688kb

input:

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

output:

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

result:

ok correct!

Test #12:

score: 0
Accepted
time: 905ms
memory: 6656kb

input:

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

output:

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

result:

ok correct!

Test #13:

score: 0
Accepted
time: 0ms
memory: 6220kb

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: 9ms
memory: 6320kb

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: 34ms
memory: 6024kb

input:

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

output:

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

result:

ok correct!

Test #16:

score: 0
Accepted
time: 12ms
memory: 6264kb

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: 9ms
memory: 6068kb

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: 65ms
memory: 6344kb

input:

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

output:

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

result:

ok correct!

Test #19:

score: 0
Accepted
time: 6ms
memory: 6044kb

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: 73ms
memory: 6468kb

input:

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

output:

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

result:

ok correct!

Test #21:

score: 0
Accepted
time: 14ms
memory: 6212kb

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: 16ms
memory: 6256kb

input:

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

output:

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

result:

ok correct!

Test #23:

score: 0
Accepted
time: 30ms
memory: 5992kb

input:

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

output:

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

result:

ok correct!

Test #24:

score: 0
Accepted
time: 12ms
memory: 6256kb

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: 36ms
memory: 6672kb

input:

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

output:

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

result:

ok correct!

Test #26:

score: 0
Accepted
time: 47ms
memory: 6548kb

input:

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

output:

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

result:

ok correct!

Test #27:

score: 0
Accepted
time: 26ms
memory: 6708kb

input:

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

output:

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

result:

ok correct!

Test #28:

score: 0
Accepted
time: 15ms
memory: 6444kb

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: 6516kb

input:

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

output:

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

result:

ok correct!

Test #30:

score: 0
Accepted
time: 208ms
memory: 6964kb

input:

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

output:

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

result:

ok correct!

Test #31:

score: 0
Accepted
time: 64ms
memory: 6132kb

input:

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

output:

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

result:

ok correct!

Test #32:

score: 0
Accepted
time: 32ms
memory: 6508kb

input:

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

output:

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

result:

ok correct!

Test #33:

score: 0
Accepted
time: 33ms
memory: 6524kb

input:

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

output:

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

result:

ok correct!

Test #34:

score: 0
Accepted
time: 310ms
memory: 6404kb

input:

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

output:

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

result:

ok correct!

Test #35:

score: 0
Accepted
time: 11ms
memory: 6228kb

input:

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

output:

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

result:

ok correct!

Test #36:

score: 0
Accepted
time: 8ms
memory: 6220kb

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: 6ms
memory: 6168kb

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: 23ms
memory: 6320kb

input:

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

output:

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

result:

ok correct!

Test #39:

score: 0
Accepted
time: 82ms
memory: 6620kb

input:

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

output:

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

result:

ok correct!

Test #40:

score: 0
Accepted
time: 272ms
memory: 6240kb

input:

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

output:

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

result:

ok correct!

Test #41:

score: 0
Accepted
time: 126ms
memory: 6464kb

input:

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

output:

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

result:

ok correct!

Test #42:

score: 0
Accepted
time: 30ms
memory: 6360kb

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: 32ms
memory: 6708kb

input:

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

output:

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

result:

ok correct!

Test #44:

score: 0
Accepted
time: 406ms
memory: 6584kb

input:

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

output:

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

result:

ok correct!

Test #45:

score: 0
Accepted
time: 4ms
memory: 6004kb

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: 3ms
memory: 6132kb

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: 6ms
memory: 6404kb

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: 42ms
memory: 6256kb

input:

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

output:

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

result:

ok correct!

Test #49:

score: 0
Accepted
time: 8ms
memory: 5952kb

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: 159ms
memory: 6984kb

input:

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

output:

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

result:

ok correct!

Test #51:

score: 0
Accepted
time: 63ms
memory: 6500kb

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: 458ms
memory: 6896kb

input:

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

output:

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

result:

ok correct!

Test #53:

score: 0
Accepted
time: 410ms
memory: 7076kb

input:

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

output:

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

result:

ok correct!

Test #54:

score: 0
Accepted
time: 8ms
memory: 6052kb

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: 29ms
memory: 6472kb

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: 2ms
memory: 5980kb

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: 14ms
memory: 6304kb

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: 12ms
memory: 6180kb

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: 30ms
memory: 6692kb

input:

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

output:

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

result:

ok correct!

Test #60:

score: 0
Accepted
time: 44ms
memory: 7020kb

input:

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

output:

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

result:

ok correct!

Test #61:

score: 0
Accepted
time: 14ms
memory: 6080kb

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: 9ms
memory: 6212kb

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: 92ms
memory: 6672kb

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: 5540kb

input:

1 2
X
X

output:

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

result:

ok correct!

Test #65:

score: 0
Accepted
time: 1ms
memory: 5540kb

input:

1 3
X
.
.

output:

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

result:

ok correct!

Test #66:

score: 0
Accepted
time: 1ms
memory: 5752kb

input:

1 3
.
X
.

output:

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

result:

ok correct!

Test #67:

score: 0
Accepted
time: 1ms
memory: 5824kb

input:

1 3
X
X
.

output:

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

result:

ok correct!

Test #68:

score: 0
Accepted
time: 0ms
memory: 5752kb

input:

1 3
.
.
X

output:

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

result:

ok correct!

Test #69:

score: 0
Accepted
time: 1ms
memory: 5648kb

input:

1 3
X
.
X

output:

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

result:

ok correct!

Test #70:

score: 0
Accepted
time: 1ms
memory: 5596kb

input:

1 3
.
X
X

output:

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

result:

ok correct!

Test #71:

score: 0
Accepted
time: 1ms
memory: 5820kb

input:

1 3
X
X
X

output:

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

result:

ok correct!

Test #72:

score: 0
Accepted
time: 1ms
memory: 5588kb

input:

1 4
X
.
.
.

output:

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

result:

ok correct!

Test #73:

score: 0
Accepted
time: 1ms
memory: 5760kb

input:

1 4
.
X
.
.

output:

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

result:

ok correct!

Test #74:

score: 0
Accepted
time: 1ms
memory: 5684kb

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: 5752kb

input:

1 4
.
.
X
.

output:

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

result:

ok correct!

Test #76:

score: 0
Accepted
time: 1ms
memory: 5756kb

input:

1 4
X
.
X
.

output:

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

result:

ok correct!

Test #77:

score: 0
Accepted
time: 1ms
memory: 5688kb

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: 5628kb

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: 5588kb

input:

1 4
.
.
.
X

output:

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

result:

ok correct!

Test #80:

score: 0
Accepted
time: 1ms
memory: 5592kb

input:

1 4
X
.
.
X

output:

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

result:

ok correct!

Test #81:

score: 0
Accepted
time: 1ms
memory: 5752kb

input:

1 4
.
X
.
X

output:

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

result:

ok correct!

Test #82:

score: 0
Accepted
time: 1ms
memory: 5816kb

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: 5624kb

input:

1 4
.
.
X
X

output:

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

result:

ok correct!

Test #84:

score: 0
Accepted
time: 1ms
memory: 5760kb

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: 5528kb

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: 5588kb

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: 5628kb

input:

2 2
X.
..

output:

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

result:

ok correct!

Test #88:

score: 0
Accepted
time: 0ms
memory: 5648kb

input:

2 2
.X
..

output:

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

result:

ok correct!

Test #89:

score: 0
Accepted
time: 1ms
memory: 5592kb

input:

2 2
XX
..

output:

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

result:

ok correct!

Test #90:

score: 0
Accepted
time: 1ms
memory: 5592kb

input:

2 2
..
X.

output:

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

result:

ok correct!

Test #91:

score: 0
Accepted
time: 1ms
memory: 5648kb

input:

2 2
X.
X.

output:

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

result:

ok correct!

Test #92:

score: 0
Accepted
time: 1ms
memory: 5724kb

input:

2 2
.X
X.

output:

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

result:

ok correct!

Test #93:

score: 0
Accepted
time: 1ms
memory: 5728kb

input:

2 2
XX
X.

output:

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

result:

ok correct!

Test #94:

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

input:

2 2
..
.X

output:

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

result:

ok correct!

Test #95:

score: 0
Accepted
time: 1ms
memory: 5592kb

input:

2 2
X.
.X

output:

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

result:

ok correct!

Test #96:

score: 0
Accepted
time: 1ms
memory: 5600kb

input:

2 2
.X
.X

output:

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

result:

ok correct!

Test #97:

score: 0
Accepted
time: 1ms
memory: 5596kb

input:

2 2
XX
.X

output:

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

result:

ok correct!

Test #98:

score: 0
Accepted
time: 1ms
memory: 5528kb

input:

2 2
..
XX

output:

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

result:

ok correct!

Test #99:

score: 0
Accepted
time: 1ms
memory: 5588kb

input:

2 2
X.
XX

output:

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

result:

ok correct!

Test #100:

score: 0
Accepted
time: 0ms
memory: 5624kb

input:

2 2
.X
XX

output:

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

result:

ok correct!

Test #101:

score: 0
Accepted
time: 0ms
memory: 5596kb

input:

2 2
XX
XX

output:

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

result:

ok correct!

Test #102:

score: 0
Accepted
time: 1ms
memory: 5724kb

input:

3 1
X..

output:

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

result:

ok correct!

Test #103:

score: 0
Accepted
time: 0ms
memory: 5540kb

input:

3 1
.X.

output:

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

result:

ok correct!

Test #104:

score: 0
Accepted
time: 1ms
memory: 5620kb

input:

3 1
XX.

output:

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

result:

ok correct!

Test #105:

score: 0
Accepted
time: 1ms
memory: 5596kb

input:

3 1
..X

output:

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

result:

ok correct!

Test #106:

score: 0
Accepted
time: 1ms
memory: 5724kb

input:

3 1
X.X

output:

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

result:

ok correct!

Test #107:

score: 0
Accepted
time: 1ms
memory: 5584kb

input:

3 1
.XX

output:

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

result:

ok correct!

Test #108:

score: 0
Accepted
time: 0ms
memory: 5812kb

input:

3 1
XXX

output:

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

result:

ok correct!

Test #109:

score: 0
Accepted
time: 1ms
memory: 5756kb

input:

4 1
X...

output:

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

result:

ok correct!

Test #110:

score: 0
Accepted
time: 1ms
memory: 5588kb

input:

4 1
.X..

output:

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

result:

ok correct!

Test #111:

score: 0
Accepted
time: 0ms
memory: 5588kb

input:

4 1
XX..

output:

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

result:

ok correct!

Test #112:

score: 0
Accepted
time: 1ms
memory: 5644kb

input:

4 1
..X.

output:

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

result:

ok correct!

Test #113:

score: 0
Accepted
time: 1ms
memory: 5584kb

input:

4 1
X.X.

output:

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

result:

ok correct!

Test #114:

score: 0
Accepted
time: 1ms
memory: 5536kb

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: 5600kb

input:

4 1
XXX.

output:

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

result:

ok correct!

Test #116:

score: 0
Accepted
time: 0ms
memory: 5768kb

input:

4 1
...X

output:

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

result:

ok correct!

Test #117:

score: 0
Accepted
time: 1ms
memory: 5592kb

input:

4 1
X..X

output:

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

result:

ok correct!

Test #118:

score: 0
Accepted
time: 1ms
memory: 5816kb

input:

4 1
.X.X

output:

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

result:

ok correct!

Test #119:

score: 0
Accepted
time: 1ms
memory: 5688kb

input:

4 1
XX.X

output:

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

result:

ok correct!

Test #120:

score: 0
Accepted
time: 0ms
memory: 5652kb

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: 5652kb

input:

4 1
X.XX

output:

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

result:

ok correct!

Test #122:

score: 0
Accepted
time: 1ms
memory: 5592kb

input:

4 1
.XXX

output:

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

result:

ok correct!

Test #123:

score: 0
Accepted
time: 1ms
memory: 5568kb

input:

4 1
XXXX

output:

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

result:

ok correct!

Test #124:

score: 0
Accepted
time: 5ms
memory: 5864kb

input:

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

output:

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

result:

ok correct!

Test #125:

score: 0
Accepted
time: 7ms
memory: 5792kb

input:

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

output:

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

result:

ok correct!

Test #126:

score: 0
Accepted
time: 3ms
memory: 5792kb

input:

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

output:

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

result:

ok correct!

Test #127:

score: 0
Accepted
time: 0ms
memory: 5632kb

input:

100 1
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

output:

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

result:

ok correct!

Test #128:

score: 0
Accepted
time: 4ms
memory: 5868kb

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: 7ms
memory: 5680kb

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: 10ms
memory: 5720kb

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: 10ms
memory: 5944kb

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: 3ms
memory: 5740kb

input:

1 100
.
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output:

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

result:

ok correct!

Test #133:

score: 0
Accepted
time: 0ms
memory: 6028kb

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: 5ms
memory: 5804kb

input:

1 100
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
.

output:

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

result:

ok correct!

Test #135:

score: 0
Accepted
time: 7ms
memory: 5804kb

input:

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

output:

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

result:

ok correct!

Test #136:

score: 0
Accepted
time: 1ms
memory: 5640kb

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: 507ms
memory: 6576kb

input:

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

output:

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

result:

ok correct!

Test #138:

score: 0
Accepted
time: 515ms
memory: 6744kb

input:

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

output:

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

result:

ok correct!

Test #139:

score: 0
Accepted
time: 507ms
memory: 6804kb

input:

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

output:

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

result:

ok correct!

Test #140:

score: 0
Accepted
time: 498ms
memory: 6576kb

input:

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

output:

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

result:

ok correct!

Test #141:

score: 0
Accepted
time: 791ms
memory: 6060kb

input:

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

output:

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

result:

ok correct!

Test #142:

score: 0
Accepted
time: 755ms
memory: 6156kb

input:

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

output:

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

result:

ok correct!

Test #143:

score: 0
Accepted
time: 200ms
memory: 6156kb

input:

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

output:

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

result:

ok correct!

Test #144:

score: 0
Accepted
time: 1ms
memory: 5756kb

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: 5ms
memory: 5988kb

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: 37ms
memory: 6928kb

input:

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

output:

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

result:

ok correct!

Extra Test:

score: 0
Extra Test Passed