QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#106589#3162. Mini Battleshipskittles1412#AC ✓802ms3552kbC++172.5kb2023-05-18 08:33:152023-05-18 08:33:20

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-05-18 08:33:20]
  • 评测
  • 测评结果:AC
  • 用时:802ms
  • 内存:3552kb
  • [2023-05-18 08:33:15]
  • 提交

answer

#include "bits/extc++.h"

using namespace std;

template <typename T, typename... U>
void dbgh(const T& t, const U&... u) {
    cerr << t;
    ((cerr << " | " << u), ...);
    cerr << endl;
}

#ifdef DEBUG
#define dbg(...)                                              \
    cerr << "L" << __LINE__ << " [" << #__VA_ARGS__ << "]: "; \
    dbgh(__VA_ARGS__)
#else
#define dbg(...)
#define cerr   \
    if (false) \
    cerr
#endif

#define endl "\n"
#define long int64_t
#define sz(x) int(std::size(x))

constexpr int maxn = 10;

int n, m, ans, sizes[maxn];
string arr[maxn];
bool vis[maxn][maxn];

bool check() {
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (arr[i][j] == 'X') {
                if (vis[i][j]) {
                    return false;
                }
            } else if (arr[i][j] == 'O') {
                if (!vis[i][j]) {
                    return false;
                }
            }
        }
    }
    return true;
}

void dfs(int ind) {
    if (ind == m) {
        ans += check();
        return;
    }
    int x = sizes[ind];
    for (int i = 0; i < n; i++) {
        for (int j = 0; j + x <= n; j++) {
            bool b = false;
            for (int k = j; k < j + x; k++) {
                b |= vis[i][k];
            }
            if (b) {
                continue;
            }
            for (int k = j; k < j + x; k++) {
                vis[i][k] = true;
            }
            dfs(ind + 1);
            for (int k = j; k < j + x; k++) {
                vis[i][k] = false;
            }
        }
    }
    if (x == 1) {
        return;
    }
    for (int i = 0; i < n; i++) {
        for (int j = 0; j + x <= n; j++) {
            bool b = false;
            for (int k = j; k < j + x; k++) {
                b |= vis[k][i];
            }
            if (b) {
                continue;
            }
            for (int k = j; k < j + x; k++) {
                vis[k][i] = true;
            }
            dfs(ind + 1);
            for (int k = j; k < j + x; k++) {
                vis[k][i] = false;
            }
        }
        }
}

void solve() {
    cin >> n >> m;
    for (int i = 0; i < n; i++) {
        cin >> arr[i];
    }
    for (int i = 0; i < m; i++) {
        cin >> sizes[i];
    }
    dfs(0);
    cout << ans << endl;
}

int main() {
    cin.tie(nullptr);
    cin.exceptions(ios::failbit);
    ios_base::sync_with_stdio(false);
    solve();
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3552kb

input:

4 3
....
.OX.
....
O..X
3
2
1

output:

132

result:

ok single line: '132'

Test #2:

score: 0
Accepted
time: 2ms
memory: 3352kb

input:

4 4
.X.X
.XX.
...X
....
1
2
3
4

output:

6

result:

ok single line: '6'

Test #3:

score: 0
Accepted
time: 2ms
memory: 3404kb

input:

2 2
..
..
2
2

output:

4

result:

ok single line: '4'

Test #4:

score: 0
Accepted
time: 6ms
memory: 3396kb

input:

5 5
.....
.....
.....
.....
.....
5
4
3
3
2

output:

80848

result:

ok single line: '80848'

Test #5:

score: 0
Accepted
time: 250ms
memory: 3388kb

input:

5 5
.....
.....
.....
.....
.....
1
1
1
1
1

output:

6375600

result:

ok single line: '6375600'

Test #6:

score: 0
Accepted
time: 802ms
memory: 3356kb

input:

5 5
.....
.....
.....
.....
.....
2
2
2
2
2

output:

18840000

result:

ok single line: '18840000'

Test #7:

score: 0
Accepted
time: 7ms
memory: 3496kb

input:

5 5
.....
XX...
..XXX
XXXX.
....X
5
1
4
2
3

output:

1

result:

ok single line: '1'

Test #8:

score: 0
Accepted
time: 7ms
memory: 3400kb

input:

5 5
OOOOO
XXOOO
OOXXX
XXXXO
OOOOX
5
1
4
2
3

output:

1

result:

ok single line: '1'

Test #9:

score: 0
Accepted
time: 8ms
memory: 3396kb

input:

5 5
OOOOO
..OOO
OO...
....O
OOOO.
5
1
4
2
3

output:

1

result:

ok single line: '1'

Test #10:

score: 0
Accepted
time: 8ms
memory: 3512kb

input:

5 5
OOOOO
OOOOO
OOOOO
OOOOO
OOOOO
5
1
4
2
3

output:

0

result:

ok single line: '0'

Test #11:

score: 0
Accepted
time: 0ms
memory: 3396kb

input:

5 5
OOOOO
OOOOO
OOOOO
OOOOO
OOOOO
5
5
5
5
5

output:

240

result:

ok single line: '240'

Test #12:

score: 0
Accepted
time: 2ms
memory: 3304kb

input:

1 1
.
1

output:

1

result:

ok single line: '1'

Test #13:

score: 0
Accepted
time: 0ms
memory: 3392kb

input:

1 1
O
1

output:

1

result:

ok single line: '1'

Test #14:

score: 0
Accepted
time: 0ms
memory: 3348kb

input:

1 1
X
1

output:

0

result:

ok single line: '0'

Test #15:

score: 0
Accepted
time: 2ms
memory: 3396kb

input:

4 5
....
....
....
....
4
4
4
4
4

output:

0

result:

ok single line: '0'

Test #16:

score: 0
Accepted
time: 116ms
memory: 3396kb

input:

5 5
OX.XO
XX.XX
.....
XX.XX
OX.XO
1
1
2
1
1

output:

192

result:

ok single line: '192'

Test #17:

score: 0
Accepted
time: 162ms
memory: 3396kb

input:

5 5
OX.XO
XX.XX
.....
XX.XX
OX.XO
1
1
2
2
1

output:

0

result:

ok single line: '0'

Test #18:

score: 0
Accepted
time: 2ms
memory: 3396kb

input:

2 2
O.
.X
2
1

output:

2

result:

ok single line: '2'

Test #19:

score: 0
Accepted
time: 2ms
memory: 3392kb

input:

3 5
...
...
...
2
2
1
2
2

output:

432

result:

ok single line: '432'

Test #20:

score: 0
Accepted
time: 17ms
memory: 3440kb

input:

5 4
O...O
.....
..O..
.....
O...O
2
2
2
2

output:

0

result:

ok single line: '0'

Test #21:

score: 0
Accepted
time: 2ms
memory: 3368kb

input:

3 2
O.O
.X.
...
3
2

output:

8

result:

ok single line: '8'

Test #22:

score: 0
Accepted
time: 57ms
memory: 3352kb

input:

5 5
X...O
.....
O...X
O.X..
.....
1
1
2
2
5

output:

6856

result:

ok single line: '6856'

Test #23:

score: 0
Accepted
time: 2ms
memory: 3496kb

input:

3 3
.O.
...
OO.
3
2
2

output:

44

result:

ok single line: '44'

Test #24:

score: 0
Accepted
time: 0ms
memory: 3400kb

input:

4 3
....
..X.
....
O..X
4
3
1

output:

70

result:

ok single line: '70'

Test #25:

score: 0
Accepted
time: 2ms
memory: 3308kb

input:

3 3
O.X
.X.
XO.
1
3
3

output:

0

result:

ok single line: '0'

Test #26:

score: 0
Accepted
time: 0ms
memory: 3396kb

input:

2 2
O.
..
1
2

output:

6

result:

ok single line: '6'

Test #27:

score: 0
Accepted
time: 0ms
memory: 3304kb

input:

4 4
.X..
..XX
.O..
X..O
1
3
1
1

output:

714

result:

ok single line: '714'

Test #28:

score: 0
Accepted
time: 2ms
memory: 3392kb

input:

2 2
..
OO
1
2

output:

4

result:

ok single line: '4'

Test #29:

score: 0
Accepted
time: 1ms
memory: 3384kb

input:

4 4
....
O...
....
.OO.
3
1
1
2

output:

2390

result:

ok single line: '2390'

Test #30:

score: 0
Accepted
time: 2ms
memory: 3332kb

input:

3 3
...
.X.
.XO
2
1
2

output:

36

result:

ok single line: '36'

Test #31:

score: 0
Accepted
time: 15ms
memory: 3388kb

input:

5 5
O.X.O
O...O
XO...
.X.X.
.O...
1
3
1
3
5

output:

48

result:

ok single line: '48'

Test #32:

score: 0
Accepted
time: 11ms
memory: 3312kb

input:

5 5
OO.X.
....X
X....
.....
.....
2
2
5
4
2

output:

3204

result:

ok single line: '3204'

Test #33:

score: 0
Accepted
time: 7ms
memory: 3348kb

input:

5 5
..OX.
..X..
.....
O....
OXX..
5
1
1
2
5

output:

556

result:

ok single line: '556'

Test #34:

score: 0
Accepted
time: 2ms
memory: 3356kb

input:

5 2
.....
..X..
.X...
...O.
.....
2
4

output:

112

result:

ok single line: '112'

Test #35:

score: 0
Accepted
time: 2ms
memory: 3392kb

input:

2 2
..
O.
1
1

output:

6

result:

ok single line: '6'

Test #36:

score: 0
Accepted
time: 2ms
memory: 3392kb

input:

5 4
.X.X.
X..O.
...O.
.....
X..X.
1
3
4
2

output:

2722

result:

ok single line: '2722'

Test #37:

score: 0
Accepted
time: 0ms
memory: 3396kb

input:

3 3
O..
XO.
.O.
1
1
2

output:

20

result:

ok single line: '20'

Test #38:

score: 0
Accepted
time: 2ms
memory: 3340kb

input:

4 3
...O
..O.
....
....
1
1
1

output:

84

result:

ok single line: '84'

Test #39:

score: 0
Accepted
time: 2ms
memory: 3392kb

input:

2 2
..
X.
1
2

output:

2

result:

ok single line: '2'

Test #40:

score: 0
Accepted
time: 2ms
memory: 3492kb

input:

4 3
X..O
....
O...
.X..
1
4
2

output:

63

result:

ok single line: '63'

Test #41:

score: 0
Accepted
time: 1ms
memory: 3396kb

input:

2 2
.O
.X
2
2

output:

0

result:

ok single line: '0'

Test #42:

score: 0
Accepted
time: 2ms
memory: 3308kb

input:

4 2
...O
....
....
....
4
2

output:

44

result:

ok single line: '44'

Test #43:

score: 0
Accepted
time: 2ms
memory: 3436kb

input:

4 2
XO..
....
X...
.X..
4
4

output:

0

result:

ok single line: '0'

Test #44:

score: 0
Accepted
time: 2ms
memory: 3400kb

input:

4 4
..O.
....
..X.
.XOO
4
4
1
1

output:

8

result:

ok single line: '8'

Test #45:

score: 0
Accepted
time: 0ms
memory: 3504kb

input:

4 2
....
....
....
..X.
2
2

output:

334

result:

ok single line: '334'