#include <stdio.h>
#define N 2000
#define M (N * 3)
#define MD 1000000007
int main() {
static char cc[3][N + 1];
static int dp[M + 1][2], dq[M + 1][2];
int n, m, k, h, i, j, x, ans;
scanf("%d", &n);
for (h = 0; h < 3; h++)
scanf("%s", cc[h]);
for (i = 1; i < n; i++)
if (cc[0][i] == 'x' && cc[0][i - 1] == 'x' || cc[2][i] == 'x' && cc[2][i - 1] == 'x') {
printf("0\n");
return 0;
}
m = 0;
dp[0][0] = 1;
for (i = 0; i < n; i++) {
k = 0;
if (cc[0][i] == 'x')
k++;
if (cc[2][i] == 'x')
k++;
if (cc[1][i] == 'o') {
for (j = 0; j <= m; j++)
dq[j][0] = dq[j][1] = 0;
if (k == 0)
x = 1;
else if (k == 1)
x = m + 1;
else
x = (m + 1) * (m + 2);
for (j = 0; j <= m; j++) {
dq[0][0] = (dq[0][0] + (long long) dp[j][0] * x) % MD;
dq[0][0] = (dq[0][0] + (long long) dp[j][1] * x) % MD;
}
for (j = 0; j <= m + k; j++)
dp[j][0] = dq[j][0], dp[j][1] = dq[j][1];
m += k;
} else {
for (j = 0; j <= m + 1; j++)
dq[j][0] = dq[j][1] = 0;
x = 0;
for (j = 0; j <= m; j++) {
x = (x + dp[j][0]) % MD;
dq[j + 1][1] = (dq[j + 1][1] + x) % MD;
}
for (j = 1; j <= m + 1; j++)
dq[j][0] = (dq[j][0] + x) % MD;
x = 0;
for (j = m; j >= 0; j--) {
x = (x + dp[j][1]) % MD;
if (j > 0)
dq[j][0] = (dq[j][0] + x) % MD;
}
for (j = 0; j <= m + 1; j++)
dp[j][0] = dq[j][0], dp[j][1] = dq[j][1];
m++;
for (j = 0; j <= m + k; j++)
dq[j][0] = dq[j][1] = 0;
if (k == 0) {
for (j = 1; j <= m; j++) {
x = dp[j][0];
dq[j][0] = (dq[j][0] + x) % MD;
}
} else if (k == 1) {
for (j = 1; j <= m; j++) {
x = dp[j][0];
dq[j + 1][0] = (dq[j + 1][0] + (long long) x * j) % MD;
x = dp[j][1];
dq[j][1] = (dq[j][1] + (long long) x * (m - j + 1)) % MD;
}
} else {
for (j = 1; j <= m; j++) {
x = dp[j][0];
dq[j + 2][0] = (dq[j + 2][0] + (long long) x * j * (j + 1)) % MD;
x = dp[j][1];
dq[j][1] = (dq[j][1] + (long long) x * (m - j + 1) * (m - j + 2)) % MD;
dq[j + 1][1] = (dq[j + 1][1] + (long long) x * j * (m - j + 1) * 2) % MD;
}
}
for (j = 0; j <= m + k; j++)
dp[j][0] = dq[j][0], dp[j][1] = dq[j][1];
m += k;
}
}
ans = 0;
for (j = 0; j <= m; j++) {
ans = (ans + dp[j][0]) % MD;
ans = (ans + dp[j][1]) % MD;
}
printf("%d\n", ans);
return 0;
}
Compilation message
solitaire.c: In function 'main':
solitaire.c:16:23: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
16 | if (cc[0][i] == 'x' && cc[0][i - 1] == 'x' || cc[2][i] == 'x' && cc[2][i - 1] == 'x') {
| ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
solitaire.c:12:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | scanf("%d", &n);
| ^~~~~~~~~~~~~~~
solitaire.c:14:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | scanf("%s", cc[h]);
| ^~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
292 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
292 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
296 KB |
Output is correct |
12 |
Correct |
0 ms |
292 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
212 KB |
Output is correct |
2 |
Correct |
20 ms |
316 KB |
Output is correct |
3 |
Correct |
4 ms |
212 KB |
Output is correct |
4 |
Correct |
30 ms |
320 KB |
Output is correct |
5 |
Correct |
26 ms |
300 KB |
Output is correct |
6 |
Correct |
24 ms |
212 KB |
Output is correct |
7 |
Correct |
18 ms |
324 KB |
Output is correct |
8 |
Correct |
27 ms |
212 KB |
Output is correct |
9 |
Correct |
28 ms |
324 KB |
Output is correct |
10 |
Correct |
18 ms |
328 KB |
Output is correct |
11 |
Correct |
22 ms |
212 KB |
Output is correct |
12 |
Correct |
28 ms |
328 KB |
Output is correct |
13 |
Correct |
29 ms |
340 KB |
Output is correct |
14 |
Correct |
29 ms |
328 KB |
Output is correct |
15 |
Correct |
31 ms |
212 KB |
Output is correct |
16 |
Correct |
28 ms |
312 KB |
Output is correct |
17 |
Correct |
28 ms |
296 KB |
Output is correct |
18 |
Correct |
28 ms |
316 KB |
Output is correct |
19 |
Correct |
29 ms |
324 KB |
Output is correct |
20 |
Correct |
27 ms |
324 KB |
Output is correct |
21 |
Correct |
28 ms |
324 KB |
Output is correct |
22 |
Correct |
28 ms |
320 KB |
Output is correct |
23 |
Correct |
31 ms |
452 KB |
Output is correct |
24 |
Correct |
28 ms |
336 KB |
Output is correct |
25 |
Correct |
29 ms |
316 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
292 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
292 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
288 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
292 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
292 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
292 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
296 KB |
Output is correct |
12 |
Correct |
0 ms |
292 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
292 KB |
Output is correct |
15 |
Correct |
0 ms |
212 KB |
Output is correct |
16 |
Correct |
0 ms |
212 KB |
Output is correct |
17 |
Correct |
0 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
292 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
288 KB |
Output is correct |
30 |
Correct |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
292 KB |
Output is correct |
32 |
Correct |
0 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
0 ms |
212 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
37 |
Correct |
0 ms |
212 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
1 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
1 ms |
292 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
212 KB |
Output is correct |
44 |
Correct |
1 ms |
212 KB |
Output is correct |
45 |
Correct |
1 ms |
212 KB |
Output is correct |
46 |
Correct |
1 ms |
212 KB |
Output is correct |
47 |
Correct |
1 ms |
212 KB |
Output is correct |
48 |
Correct |
2 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
292 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
292 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
0 ms |
212 KB |
Output is correct |
11 |
Correct |
0 ms |
296 KB |
Output is correct |
12 |
Correct |
0 ms |
292 KB |
Output is correct |
13 |
Correct |
6 ms |
212 KB |
Output is correct |
14 |
Correct |
20 ms |
316 KB |
Output is correct |
15 |
Correct |
4 ms |
212 KB |
Output is correct |
16 |
Correct |
30 ms |
320 KB |
Output is correct |
17 |
Correct |
26 ms |
300 KB |
Output is correct |
18 |
Correct |
24 ms |
212 KB |
Output is correct |
19 |
Correct |
18 ms |
324 KB |
Output is correct |
20 |
Correct |
27 ms |
212 KB |
Output is correct |
21 |
Correct |
28 ms |
324 KB |
Output is correct |
22 |
Correct |
18 ms |
328 KB |
Output is correct |
23 |
Correct |
22 ms |
212 KB |
Output is correct |
24 |
Correct |
28 ms |
328 KB |
Output is correct |
25 |
Correct |
29 ms |
340 KB |
Output is correct |
26 |
Correct |
29 ms |
328 KB |
Output is correct |
27 |
Correct |
31 ms |
212 KB |
Output is correct |
28 |
Correct |
28 ms |
312 KB |
Output is correct |
29 |
Correct |
28 ms |
296 KB |
Output is correct |
30 |
Correct |
28 ms |
316 KB |
Output is correct |
31 |
Correct |
29 ms |
324 KB |
Output is correct |
32 |
Correct |
27 ms |
324 KB |
Output is correct |
33 |
Correct |
28 ms |
324 KB |
Output is correct |
34 |
Correct |
28 ms |
320 KB |
Output is correct |
35 |
Correct |
31 ms |
452 KB |
Output is correct |
36 |
Correct |
28 ms |
336 KB |
Output is correct |
37 |
Correct |
29 ms |
316 KB |
Output is correct |
38 |
Correct |
0 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
292 KB |
Output is correct |
40 |
Correct |
0 ms |
212 KB |
Output is correct |
41 |
Correct |
0 ms |
212 KB |
Output is correct |
42 |
Correct |
0 ms |
212 KB |
Output is correct |
43 |
Correct |
0 ms |
212 KB |
Output is correct |
44 |
Correct |
0 ms |
212 KB |
Output is correct |
45 |
Correct |
0 ms |
212 KB |
Output is correct |
46 |
Correct |
0 ms |
292 KB |
Output is correct |
47 |
Correct |
0 ms |
212 KB |
Output is correct |
48 |
Correct |
0 ms |
212 KB |
Output is correct |
49 |
Correct |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
0 ms |
212 KB |
Output is correct |
51 |
Correct |
0 ms |
212 KB |
Output is correct |
52 |
Correct |
0 ms |
212 KB |
Output is correct |
53 |
Correct |
0 ms |
212 KB |
Output is correct |
54 |
Correct |
0 ms |
288 KB |
Output is correct |
55 |
Correct |
0 ms |
212 KB |
Output is correct |
56 |
Correct |
0 ms |
292 KB |
Output is correct |
57 |
Correct |
0 ms |
212 KB |
Output is correct |
58 |
Correct |
0 ms |
212 KB |
Output is correct |
59 |
Correct |
0 ms |
212 KB |
Output is correct |
60 |
Correct |
0 ms |
212 KB |
Output is correct |
61 |
Correct |
0 ms |
212 KB |
Output is correct |
62 |
Correct |
0 ms |
212 KB |
Output is correct |
63 |
Correct |
1 ms |
212 KB |
Output is correct |
64 |
Correct |
1 ms |
212 KB |
Output is correct |
65 |
Correct |
1 ms |
212 KB |
Output is correct |
66 |
Correct |
1 ms |
292 KB |
Output is correct |
67 |
Correct |
1 ms |
340 KB |
Output is correct |
68 |
Correct |
1 ms |
212 KB |
Output is correct |
69 |
Correct |
1 ms |
212 KB |
Output is correct |
70 |
Correct |
1 ms |
212 KB |
Output is correct |
71 |
Correct |
1 ms |
212 KB |
Output is correct |
72 |
Correct |
1 ms |
212 KB |
Output is correct |
73 |
Correct |
2 ms |
212 KB |
Output is correct |
74 |
Correct |
22 ms |
212 KB |
Output is correct |
75 |
Correct |
5 ms |
212 KB |
Output is correct |
76 |
Correct |
11 ms |
212 KB |
Output is correct |
77 |
Correct |
46 ms |
344 KB |
Output is correct |
78 |
Correct |
39 ms |
336 KB |
Output is correct |
79 |
Correct |
24 ms |
324 KB |
Output is correct |
80 |
Correct |
38 ms |
336 KB |
Output is correct |
81 |
Correct |
32 ms |
332 KB |
Output is correct |
82 |
Correct |
37 ms |
332 KB |
Output is correct |
83 |
Correct |
24 ms |
332 KB |
Output is correct |
84 |
Correct |
21 ms |
324 KB |
Output is correct |
85 |
Correct |
35 ms |
340 KB |
Output is correct |
86 |
Correct |
64 ms |
332 KB |
Output is correct |
87 |
Correct |
53 ms |
452 KB |
Output is correct |
88 |
Correct |
51 ms |
340 KB |
Output is correct |
89 |
Correct |
52 ms |
332 KB |
Output is correct |
90 |
Correct |
50 ms |
328 KB |
Output is correct |
91 |
Correct |
52 ms |
324 KB |
Output is correct |
92 |
Correct |
53 ms |
460 KB |
Output is correct |
93 |
Correct |
54 ms |
336 KB |
Output is correct |
94 |
Correct |
52 ms |
316 KB |
Output is correct |
95 |
Correct |
51 ms |
336 KB |
Output is correct |
96 |
Correct |
51 ms |
332 KB |
Output is correct |
97 |
Correct |
51 ms |
344 KB |
Output is correct |