#include <queue>
using namespace std;
bool P[1<<20];
int S[2][1<<20],con[20],go[1<<20]; long long mul[1<<20];
long long pos(int v)
{
int c = -1;
while (v){
v /= 2;
c++;
}
return c;
}
long long NumberOfMaps (int N, int M, int *A, int *B)
{
long long ret = 0;
int i,j,u,x;
for (i=0;i<M;i++){
A[i]--; B[i]--;
con[A[i]] |= 1 << B[i];
con[B[i]] |= 1 << A[i];
}
for (i=1;i<(1<<N);i++){
if (i == (i & (-i))) go[i] = con[pos(i)];
else{
x = i & (-i);
go[i] = go[x] | go[i-x];
}
}
P[0] = 1; mul[0] = 1;
queue<int> Q;
for (i=0;i<N;i++){
Q.push(1<<i); S[0][1<<i] = 1<<i; mul[1<<i] = 2;
}
while (!Q.empty()){
x = Q.front(); Q.pop();
int can = go[x] & (~x);
while (can){
int now = (can & (-can));
u = x + (can & (-can));
can -= can & (-can);
if ((S[0][x] & go[now]) && (S[1][x] & go[now])) continue;
if (mul[u] == 0){
Q.push(u); mul[u] = 2;
S[0][u] = S[0][x];
S[1][u] = S[1][x];
if ((S[1][x] & go[now])) S[0][u] |= now;
else S[1][u] |= now;
}
}
}
for (i=1;i<(1<<N);i++) if (mul[i] == 0){
for (j=(i-1)&i;j>0;j=(j-1)&i){
if (mul[j] && mul[i-j]){
if (go[j] & (i-j)) continue;
if ((j) & go[i-j]) continue;
mul[i] = mul[j] * mul[i-j];
P[i] = 1; break;
}
}
}
for (i=0;i<(1<<N);i++){
j = (1<<N)-1 -i;
ret += mul[i] * mul[j];
}
return ret;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
22448 KB |
Output is correct |
2 |
Correct |
0 ms |
22448 KB |
Output is correct |
3 |
Correct |
0 ms |
22448 KB |
Output is correct |
4 |
Correct |
0 ms |
22448 KB |
Output is correct |
5 |
Correct |
0 ms |
22448 KB |
Output is correct |
6 |
Correct |
0 ms |
22448 KB |
Output is correct |
7 |
Correct |
0 ms |
22448 KB |
Output is correct |
8 |
Correct |
0 ms |
22448 KB |
Output is correct |
9 |
Correct |
0 ms |
22448 KB |
Output is correct |
10 |
Correct |
0 ms |
22448 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
22448 KB |
Output is correct |
2 |
Correct |
0 ms |
22448 KB |
Output is correct |
3 |
Correct |
0 ms |
22448 KB |
Output is correct |
4 |
Correct |
0 ms |
22448 KB |
Output is correct |
5 |
Correct |
0 ms |
22448 KB |
Output is correct |
6 |
Correct |
0 ms |
22448 KB |
Output is correct |
7 |
Correct |
0 ms |
22448 KB |
Output is correct |
8 |
Correct |
0 ms |
22448 KB |
Output is correct |
9 |
Correct |
0 ms |
22448 KB |
Output is correct |
10 |
Correct |
0 ms |
22448 KB |
Output is correct |
11 |
Correct |
0 ms |
22448 KB |
Output is correct |
12 |
Correct |
0 ms |
22448 KB |
Output is correct |
13 |
Correct |
0 ms |
22448 KB |
Output is correct |
14 |
Correct |
0 ms |
22448 KB |
Output is correct |
15 |
Correct |
0 ms |
22448 KB |
Output is correct |
16 |
Correct |
0 ms |
22448 KB |
Output is correct |
17 |
Correct |
0 ms |
22448 KB |
Output is correct |
18 |
Correct |
0 ms |
22448 KB |
Output is correct |
19 |
Correct |
0 ms |
22448 KB |
Output is correct |
20 |
Correct |
0 ms |
22448 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
22448 KB |
Output is correct |
2 |
Correct |
0 ms |
22448 KB |
Output is correct |
3 |
Correct |
0 ms |
22448 KB |
Output is correct |
4 |
Correct |
0 ms |
22448 KB |
Output is correct |
5 |
Correct |
0 ms |
22448 KB |
Output is correct |
6 |
Correct |
5 ms |
22448 KB |
Output is correct |
7 |
Correct |
5 ms |
22448 KB |
Output is correct |
8 |
Correct |
3 ms |
22448 KB |
Output is correct |
9 |
Correct |
1 ms |
22448 KB |
Output is correct |
10 |
Correct |
15 ms |
22448 KB |
Output is correct |
11 |
Correct |
19 ms |
22448 KB |
Output is correct |
12 |
Correct |
7 ms |
22448 KB |
Output is correct |
13 |
Correct |
22 ms |
22448 KB |
Output is correct |
14 |
Correct |
9 ms |
22448 KB |
Output is correct |
15 |
Correct |
9 ms |
22448 KB |
Output is correct |
16 |
Correct |
0 ms |
22448 KB |
Output is correct |
17 |
Correct |
0 ms |
22448 KB |
Output is correct |
18 |
Correct |
18 ms |
22448 KB |
Output is correct |
19 |
Correct |
6 ms |
22448 KB |
Output is correct |
20 |
Correct |
5 ms |
22448 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
22448 KB |
Output is correct |
2 |
Correct |
0 ms |
22448 KB |
Output is correct |
3 |
Correct |
0 ms |
22448 KB |
Output is correct |
4 |
Correct |
2 ms |
22448 KB |
Output is correct |
5 |
Correct |
2 ms |
22448 KB |
Output is correct |
6 |
Correct |
83 ms |
22448 KB |
Output is correct |
7 |
Correct |
284 ms |
22448 KB |
Output is correct |
8 |
Correct |
167 ms |
22448 KB |
Output is correct |
9 |
Correct |
505 ms |
22448 KB |
Output is correct |
10 |
Correct |
469 ms |
22448 KB |
Output is correct |
11 |
Correct |
188 ms |
22448 KB |
Output is correct |
12 |
Correct |
179 ms |
22448 KB |
Output is correct |
13 |
Correct |
378 ms |
22448 KB |
Output is correct |
14 |
Correct |
288 ms |
22448 KB |
Output is correct |
15 |
Correct |
83 ms |
22448 KB |
Output is correct |
16 |
Correct |
13 ms |
22448 KB |
Output is correct |
17 |
Correct |
13 ms |
22448 KB |
Output is correct |
18 |
Correct |
161 ms |
22448 KB |
Output is correct |
19 |
Correct |
370 ms |
22448 KB |
Output is correct |
20 |
Correct |
124 ms |
22448 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
22448 KB |
Output is correct |
2 |
Correct |
1 ms |
22448 KB |
Output is correct |
3 |
Correct |
4 ms |
22448 KB |
Output is correct |
4 |
Correct |
5 ms |
22448 KB |
Output is correct |
5 |
Correct |
99 ms |
22448 KB |
Output is correct |
6 |
Execution timed out |
1500 ms |
0 KB |
Program timed out |
7 |
Halted |
0 ms |
0 KB |
- |
8 |
Halted |
0 ms |
0 KB |
- |
9 |
Halted |
0 ms |
0 KB |
- |
10 |
Halted |
0 ms |
0 KB |
- |
11 |
Halted |
0 ms |
0 KB |
- |
12 |
Halted |
0 ms |
0 KB |
- |
13 |
Halted |
0 ms |
0 KB |
- |
14 |
Halted |
0 ms |
0 KB |
- |
15 |
Halted |
0 ms |
0 KB |
- |
16 |
Halted |
0 ms |
0 KB |
- |
17 |
Halted |
0 ms |
0 KB |
- |
18 |
Halted |
0 ms |
0 KB |
- |
19 |
Halted |
0 ms |
0 KB |
- |
20 |
Halted |
0 ms |
0 KB |
- |
21 |
Halted |
0 ms |
0 KB |
- |
22 |
Halted |
0 ms |
0 KB |
- |
23 |
Halted |
0 ms |
0 KB |
- |
24 |
Halted |
0 ms |
0 KB |
- |
25 |
Halted |
0 ms |
0 KB |
- |
26 |
Halted |
0 ms |
0 KB |
- |
27 |
Halted |
0 ms |
0 KB |
- |
28 |
Halted |
0 ms |
0 KB |
- |
29 |
Halted |
0 ms |
0 KB |
- |
30 |
Halted |
0 ms |
0 KB |
- |