Submission details
Task:Turrets
Sender:Semikolonisti
Submission time:2017-09-05 18:08:12 +0300
Language:C++
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.03 sdetails
#2ACCEPTED0.04 sdetails
#3ACCEPTED0.02 sdetails
#4ACCEPTED0.05 sdetails
#5ACCEPTED0.04 sdetails
#6ACCEPTED0.04 sdetails
#7ACCEPTED0.04 sdetails
#8ACCEPTED0.04 sdetails
#9ACCEPTED0.05 sdetails
#10ACCEPTED0.06 sdetails
#11ACCEPTED0.03 sdetails
#12ACCEPTED0.04 sdetails
#13ACCEPTED0.04 sdetails
#14ACCEPTED0.04 sdetails
#15ACCEPTED0.05 sdetails
#16ACCEPTED0.10 sdetails
#17ACCEPTED0.08 sdetails
#18ACCEPTED0.05 sdetails
#19ACCEPTED0.04 sdetails
#20ACCEPTED0.05 sdetails
#21ACCEPTED0.03 sdetails
#22ACCEPTED0.08 sdetails
#23ACCEPTED0.07 sdetails
#24ACCEPTED0.06 sdetails
#25ACCEPTED0.05 sdetails
#26ACCEPTED0.05 sdetails
#27ACCEPTED0.04 sdetails
#28ACCEPTED0.05 sdetails
#29ACCEPTED0.05 sdetails
#30ACCEPTED0.06 sdetails
#31ACCEPTED0.05 sdetails
#32ACCEPTED0.05 sdetails
#33ACCEPTED0.04 sdetails
#34ACCEPTED0.06 sdetails
#35ACCEPTED0.03 sdetails

Code

#include <bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define M 1000000007
#define pii pair<int, int>

using namespace std;

int v[1111][1111];
int n, m;
bool b[1111][1111][2];
int s[1111];
int c;

void dfs (int y, int x, int d) {
    if (x < 0 || y < 0 || x == m || y == n) return;
    if (d == -1) {
        b[y][x][0] = b[y][x][1] = 1;
        s[c]++;
        dfs(y, x + 1, 0);
        dfs(y, x - 1, 0);
        dfs(y + 1, x, 1);
        dfs(y - 1, x, 1);
        return;
    }
    if (b[y][x][d]) return;
    
    if (v[y][x]) {
        s[c]++;
        b[y][x][0] = b[y][x][1] = 1;
        dfs(y, x + 1, 0);
        dfs(y, x - 1, 0);
        dfs(y + 1, x, 1);
        dfs(y - 1, x, 1);
        return;
    }
    
    b[y][x][d] = 1;
    
    if (d == 0) {
        dfs(y, x + 1, d);
        dfs(y, x - 1, d);
    } else {
        dfs(y + 1, x, d);
        dfs(y - 1, x, d);
    }
}

int main () {
    cin.sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>m;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            char c;
            cin>>c;
            if (c == '+') {
                v[i][j] = 1;
            }
        }
    }
    
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            if (v[i][j] && !b[i][j][0]) {
                dfs(i, j, -1);
                c++;
            }
        }
    }
    sort(s, s + c);
    if (c == 0) cout<<0<<endl;
    else if (c == 1) cout<<s[0]<<endl;
    else cout<<s[c - 1] + s[c - 2]<<endl;
}

Test details

Test 1

Verdict: ACCEPTED

input
10 1
.
.
+
.
...

correct output
2

user output
2

Test 2

Verdict: ACCEPTED

input
3 7
.+++.++
.+..++.
+++++..

correct output
13

user output
13

Test 3

Verdict: ACCEPTED

input
8 4
.++.
....
+..+
+.+.
...

correct output
11

user output
11

Test 4

Verdict: ACCEPTED

input
9 1
.
.
.
.
...

correct output
2

user output
2

Test 5

Verdict: ACCEPTED

input
5 2
+.
..
..
..
...

correct output
1

user output
1

Test 6

Verdict: ACCEPTED

input
6 7
.......
.......
.......
.......
...

correct output
0

user output
0

Test 7

Verdict: ACCEPTED

input
7 10
..........
..........
..........
..........
...

correct output
0

user output
0

Test 8

Verdict: ACCEPTED

input
691 215
.................................

correct output
18

user output
18

Test 9

Verdict: ACCEPTED

input
911 7
..++..+
++...+.
+.++.+.
.++.++.
...

correct output
3195

user output
3195

Test 10

Verdict: ACCEPTED

input
873 476
.................................

correct output
517

user output
517

Test 11

Verdict: ACCEPTED

input
120 184
..................+..............

correct output
12

user output
12

Test 12

Verdict: ACCEPTED

input
944 46
.................................

correct output
4

user output
4

Test 13

Verdict: ACCEPTED

input
93 576
.................................

correct output
5

user output
5

Test 14

Verdict: ACCEPTED

input
360 409
.................................

correct output
0

user output
0

Test 15

Verdict: ACCEPTED

input
1000 447
.................................

correct output
14

user output
14

Test 16

Verdict: ACCEPTED

input
1000 590
++.+...++++++......+..++..++.+...

correct output
295234

user output
295234

Test 17

Verdict: ACCEPTED

input
1000 592
.................................

correct output
764

user output
764

Test 18

Verdict: ACCEPTED

input
1000 14
..............
..............
..............
..............
...

correct output
4

user output
4

Test 19

Verdict: ACCEPTED

input
1000 65
.................................

correct output
4

user output
4

Test 20

Verdict: ACCEPTED

input
1000 401
.................................

correct output
2

user output
2

Test 21

Verdict: ACCEPTED

input
1000 101
.................................

correct output
0

user output
0

Test 22

Verdict: ACCEPTED

input
1000 995
.................................

correct output
24

user output
24

Test 23

Verdict: ACCEPTED

input
1000 296
.++.++.++..++.++...++...+....+...

correct output
147617

user output
147617

Test 24

Verdict: ACCEPTED

input
1000 551
.................................

correct output
839

user output
839

Test 25

Verdict: ACCEPTED

input
1000 150
.................................

correct output
11

user output
11

Test 26

Verdict: ACCEPTED

input
1000 398
.................................

correct output
9

user output
9

Test 27

Verdict: ACCEPTED

input
1000 335
.................................

correct output
4

user output
4

Test 28

Verdict: ACCEPTED

input
1000 360
.................................

correct output
0

user output
0

Test 29

Verdict: ACCEPTED

input
611 1000
.................................

correct output
19

user output
19

Test 30

Verdict: ACCEPTED

input
22 1000
.++.+.....+........+++.+++++.....

correct output
10985

user output
10985

Test 31

Verdict: ACCEPTED

input
80 1000
.......+.........................

correct output
974

user output
974

Test 32

Verdict: ACCEPTED

input
40 1000
.................................

correct output
6

user output
6

Test 33

Verdict: ACCEPTED

input
587 1000
.................................

correct output
9

user output
9

Test 34

Verdict: ACCEPTED

input
432 1000
.................................

correct output
6

user output
6

Test 35

Verdict: ACCEPTED

input
614 1000
.................................

correct output
0

user output
0