Task: | Ruudukko |
Sender: | Jaahas |
Submission time: | 2018-10-14 00:21:56 +0300 |
Language: | Java |
Status: | READY |
Result: | 45 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 31 |
#2 | ACCEPTED | 14 |
#3 | TIME LIMIT EXCEEDED | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.22 s | 1 | details |
#2 | ACCEPTED | 0.22 s | 1 | details |
#3 | ACCEPTED | 0.23 s | 1 | details |
#4 | ACCEPTED | 0.23 s | 1 | details |
#5 | ACCEPTED | 0.21 s | 1 | details |
#6 | ACCEPTED | 0.22 s | 1 | details |
#7 | ACCEPTED | 0.22 s | 1 | details |
#8 | ACCEPTED | 0.22 s | 1 | details |
#9 | ACCEPTED | 0.22 s | 1 | details |
#10 | ACCEPTED | 0.22 s | 1 | details |
#11 | ACCEPTED | 0.22 s | 2 | details |
#12 | ACCEPTED | 0.23 s | 2 | details |
#13 | ACCEPTED | 0.25 s | 2 | details |
#14 | ACCEPTED | 0.27 s | 2 | details |
#15 | ACCEPTED | 0.29 s | 2 | details |
#16 | ACCEPTED | 0.31 s | 2 | details |
#17 | ACCEPTED | 0.31 s | 2 | details |
#18 | ACCEPTED | 0.32 s | 2 | details |
#19 | ACCEPTED | 0.32 s | 2 | details |
#20 | ACCEPTED | 0.32 s | 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 | 0.32 s | 3 | details |
#26 | TIME LIMIT EXCEEDED | -- | 3 | details |
#27 | TIME LIMIT EXCEEDED | -- | 3 | details |
#28 | TIME LIMIT EXCEEDED | -- | 3 | details |
#29 | ACCEPTED | 0.36 s | 3 | details |
#30 | ACCEPTED | 0.32 s | 3 | details |
Code
//package com.tuomas; import java.util.*; public class Ruudukko { static int c = 0; static int n = 0; static char[][] ruudukko; static char[][] ruudukko2; static boolean[] ai; static boolean[] aj; static boolean[] bi; static boolean[] bj; static final long MOD = 1000000007; public static void main(String[] args) { Scanner input = new Scanner(System.in); n = input.nextInt(); ruudukko = new char[n][n]; ruudukko2 = new char[n][n]; ai = new boolean[n]; aj = new boolean[n]; bi = new boolean[n]; bj = new boolean[n]; long count = 0; for (int i = 0; i < n; i++) { String string = input.next(); for (int j = 0; j < n; j++) { ruudukko[i][j] = string.charAt(j); if(ruudukko[i][j] == 'A') { count++; ai[i] = true; aj[j] = true; } else if(ruudukko[i][j] == 'B') { count++; bi[i] = true; bj[j] = true; } } } if(count == 0) { long result = (factorial(n) * (n - 1)) % MOD; result = (result * f(n - 2)) % MOD; System.out.println(result); } else { hakua(0); System.out.println(c); } } static void hakua(int i) { if(i >= n) { hakub(0); return; } else if(ai[i]) { hakua(i + 1); } else { for (int j = 0; j < n; j++) { if(ruudukko[i][j] == '.') { if(aj[j]) { continue; } aj[j] = true; ruudukko[i][j] = 'A'; hakua(i + 1); aj[j] = false; ruudukko[i][j] = '.'; } } } } static void hakub(int i) { if(i >= n) { c = (c + 1) % (int)MOD; return; } else if(bi[i]) { hakub(i + 1); } else { for (int j = 0; j < n; j++) { if(ruudukko[i][j] == '.') { if(bj[j]) { continue; } bj[j] = true; hakub(i + 1); bj[j] = false; } } } } public static long factorial(int n) { long result = 1; for (long factor = 2; factor <= n; factor++) { result = (result * factor) % MOD; } return result; } public static long f(long n) { if (n <= 1) { return 1; } else { long r1 = 1; long r2 = 1; for(long i = 2; i <= n; i++) { long temp = r2; r2 = ((r2 * i)%MOD + (r1 * (i-1))%MOD)%MOD; r1 = temp; } return r2; } } }
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: ACCEPTED
input |
---|
10 .......... .......... .......... .......... ... |
correct output |
---|
306442892 |
user output |
---|
306442892 |
Test 12
Group: 2
Verdict: ACCEPTED
input |
---|
50 ................................. |
correct output |
---|
694861480 |
user output |
---|
694861480 |
Test 13
Group: 2
Verdict: ACCEPTED
input |
---|
111 ................................. |
correct output |
---|
555319110 |
user output |
---|
555319110 |
Test 14
Group: 2
Verdict: ACCEPTED
input |
---|
222 ................................. |
correct output |
---|
108372237 |
user output |
---|
108372237 |
Test 15
Group: 2
Verdict: ACCEPTED
input |
---|
333 ................................. |
correct output |
---|
259107857 |
user output |
---|
259107857 |
Test 16
Group: 2
Verdict: ACCEPTED
input |
---|
444 ................................. |
correct output |
---|
19906314 |
user output |
---|
19906314 |
Test 17
Group: 2
Verdict: ACCEPTED
input |
---|
497 ................................. |
correct output |
---|
224313667 |
user output |
---|
224313667 |
Test 18
Group: 2
Verdict: ACCEPTED
input |
---|
498 ................................. |
correct output |
---|
929574601 |
user output |
---|
929574601 |
Test 19
Group: 2
Verdict: ACCEPTED
input |
---|
499 ................................. |
correct output |
---|
600226043 |
user output |
---|
600226043 |
Test 20
Group: 2
Verdict: ACCEPTED
input |
---|
500 ................................. |
correct output |
---|
198353194 |
user output |
---|
198353194 |
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 |