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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#106589 | #3162. Mini Battleship | skittles1412# | AC ✓ | 802ms | 3552kb | C++17 | 2.5kb | 2023-05-18 08:33:15 | 2023-05-18 08:33:20 |
Judging History
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'