Task: | Ruudukko |
Sender: | paavoee |
Submission time: | 2018-10-14 22:29:04 +0300 |
Language: | C++ |
Status: | READY |
Result: | 31 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 31 |
#2 | TIME LIMIT EXCEEDED | 0 |
#3 | TIME LIMIT EXCEEDED | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.02 s | 1 | details |
#2 | ACCEPTED | 0.03 s | 1 | details |
#3 | ACCEPTED | 0.03 s | 1 | details |
#4 | ACCEPTED | 0.01 s | 1 | details |
#5 | ACCEPTED | 0.03 s | 1 | details |
#6 | ACCEPTED | 0.02 s | 1 | details |
#7 | ACCEPTED | 0.01 s | 1 | details |
#8 | ACCEPTED | 0.01 s | 1 | details |
#9 | ACCEPTED | 0.03 s | 1 | details |
#10 | ACCEPTED | 0.01 s | 1 | details |
#11 | TIME LIMIT EXCEEDED | -- | 2 | details |
#12 | TIME LIMIT EXCEEDED | -- | 2 | details |
#13 | TIME LIMIT EXCEEDED | -- | 2 | details |
#14 | TIME LIMIT EXCEEDED | -- | 2 | details |
#15 | TIME LIMIT EXCEEDED | -- | 2 | details |
#16 | TIME LIMIT EXCEEDED | -- | 2 | details |
#17 | TIME LIMIT EXCEEDED | -- | 2 | details |
#18 | TIME LIMIT EXCEEDED | -- | 2 | details |
#19 | TIME LIMIT EXCEEDED | -- | 2 | details |
#20 | TIME LIMIT EXCEEDED | -- | 2 | details |
#21 | TIME LIMIT EXCEEDED | -- | 3 | details |
#22 | TIME LIMIT EXCEEDED | -- | 3 | details |
#23 | TIME LIMIT EXCEEDED | -- | 3 | details |
#24 | TIME LIMIT EXCEEDED | -- | 3 | details |
#25 | ACCEPTED | 0.02 s | 3 | details |
#26 | TIME LIMIT EXCEEDED | -- | 3 | details |
#27 | TIME LIMIT EXCEEDED | -- | 3 | details |
#28 | TIME LIMIT EXCEEDED | -- | 3 | details |
#29 | ACCEPTED | 0.04 s | 3 | details |
#30 | ACCEPTED | 0.01 s | 3 | details |
Code
#include <cmath> #include <iostream> #include <vector> using namespace std; static constexpr long mod = pow(10, 9) + 7; constexpr int8_t A = 1, B = 2; unsigned long count(unsigned int row, unsigned int n, vector<vector<char>>& t, vector<int8_t>& rowd, vector<int8_t>& cold) { if (!(rowd[row] & A)) { unsigned long r = 0; for (unsigned int j = 0; j < n; j++) { if (t[row][j] != '.' || (cold[j] & A)) continue; t[row][j] = 'A'; rowd[row] |= A; cold[j] |= A; r += count(row, n, t, rowd, cold); r %= mod; t[row][j] = '.'; rowd[row] ^= A; cold[j] ^= A; } return r; } else if (!(rowd[row] & B)) { unsigned long r = 0; for (unsigned int j = 0; j < n; j++) { if (t[row][j] != '.' || (cold[j] & B)) continue; t[row][j] = 'B'; rowd[row] |= B; cold[j] |= B; r += count(row, n, t, rowd, cold); r %= mod; t[row][j] = '.'; rowd[row] ^= B; cold[j] ^= B; } return r; } else if (row < n - 1) return count(row + 1, n, t, rowd, cold); else return 1; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); unsigned int n; cin >> n; vector<vector<char>> t(n); for (unsigned int i = 0; i < n; i++) { t[i] = vector<char>(n); for (unsigned int j = 0; j < n; j++) cin >> t[i][j]; } vector<int8_t> rowd(n); for (unsigned int i = 0; i < n; i++) { int8_t bits = 0; for (unsigned int j = 0; j < n; j++) { if (t[i][j] == 'A') bits |= A; else if (t[i][j] == 'B') bits |= B; } rowd[i] = bits; } vector<int8_t> cold(n); for (unsigned int j = 0; j < n; j++) { int8_t bits = 0; for (unsigned int i = 0; i < n; i++) { if (t[i][j] == 'A') bits |= A; else if (t[i][j] == 'B') bits |= B; } cold[j] = bits; } // cout << "rowd\n"; // for (unsigned int i = 0; i < n; i++) // cout << (int) rowd[i] << '\n'; // cout << "cold\n"; // for (unsigned int i = 0; i < n; i++) // cout << (int) cold[i] << ' '; // cout << '\n'; cout << count(0, n, t, rowd, cold) << '\n'; return 0; }
Test details
Test 1
Group: 1
Verdict: ACCEPTED
input |
---|
2 .. .. |
correct output |
---|
2 |
user output |
---|
2 |
Test 2
Group: 1
Verdict: ACCEPTED
input |
---|
2 .. A. |
correct output |
---|
1 |
user output |
---|
1 |
Test 3
Group: 1
Verdict: ACCEPTED
input |
---|
2 B. .A |
correct output |
---|
0 |
user output |
---|
0 |
Test 4
Group: 1
Verdict: ACCEPTED
input |
---|
3 ... ... ... |
correct output |
---|
12 |
user output |
---|
12 |
Test 5
Group: 1
Verdict: ACCEPTED
input |
---|
4 .... .... .... .... |
correct output |
---|
216 |
user output |
---|
216 |
Test 6
Group: 1
Verdict: ACCEPTED
input |
---|
5 ..... ..... ..... ..... ... |
correct output |
---|
5280 |
user output |
---|
5280 |
Test 7
Group: 1
Verdict: ACCEPTED
input |
---|
5 ....A ..... ..... ..... ... |
correct output |
---|
264 |
user output |
---|
264 |
Test 8
Group: 1
Verdict: ACCEPTED
input |
---|
5 B.... ..... ..... .A.B. ... |
correct output |
---|
22 |
user output |
---|
22 |
Test 9
Group: 1
Verdict: ACCEPTED
input |
---|
5 B.A.. ....A ..... A.B.. ... |
correct output |
---|
2 |
user output |
---|
2 |
Test 10
Group: 1
Verdict: ACCEPTED
input |
---|
5 A.B.. BA... .B.A. ...BA ... |
correct output |
---|
1 |
user output |
---|
1 |
Test 11
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
10 .......... .......... .......... .......... ... |
correct output |
---|
306442892 |
user output |
---|
(empty) |
Test 12
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
50 ................................. |
correct output |
---|
694861480 |
user output |
---|
(empty) |
Test 13
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
111 ................................. |
correct output |
---|
555319110 |
user output |
---|
(empty) |
Test 14
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
222 ................................. |
correct output |
---|
108372237 |
user output |
---|
(empty) |
Test 15
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
333 ................................. |
correct output |
---|
259107857 |
user output |
---|
(empty) |
Test 16
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
444 ................................. |
correct output |
---|
19906314 |
user output |
---|
(empty) |
Test 17
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
497 ................................. |
correct output |
---|
224313667 |
user output |
---|
(empty) |
Test 18
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
498 ................................. |
correct output |
---|
929574601 |
user output |
---|
(empty) |
Test 19
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
499 ................................. |
correct output |
---|
600226043 |
user output |
---|
(empty) |
Test 20
Group: 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
500 ................................. |
correct output |
---|
198353194 |
user output |
---|
(empty) |
Test 21
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
499 ................................. |
correct output |
---|
840243733 |
user output |
---|
(empty) |
Test 22
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
499 ........................A........ |
correct output |
---|
4146290 |
user output |
---|
(empty) |
Test 23
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
499 B.........A...................... |
correct output |
---|
173518884 |
user output |
---|
(empty) |
Test 24
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
499 ...A....B........................ |
correct output |
---|
20044800 |
user output |
---|
(empty) |
Test 25
Group: 3
Verdict: ACCEPTED
input |
---|
499 AB............................... |
correct output |
---|
2 |
user output |
---|
2 |
Test 26
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
500 ................................. |
correct output |
---|
121064146 |
user output |
---|
(empty) |
Test 27
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
500 ................................. |
correct output |
---|
848435259 |
user output |
---|
(empty) |
Test 28
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
500 .....B........A.................. |
correct output |
---|
296240911 |
user output |
---|
(empty) |
Test 29
Group: 3
Verdict: ACCEPTED
input |
---|
500 .A......B........................ |
correct output |
---|
2196 |
user output |
---|
2196 |
Test 30
Group: 3
Verdict: ACCEPTED
input |
---|
500 ...AB............................ |
correct output |
---|
1 |
user output |
---|
1 |