#include<bits/stdc++.h> using namespace std; const int Mzero = 700000*2; long long dp[2][Mzero*2]; const long long mod = 1000000007; char slowo[30]; int tab[40][30]; int main() { int n, m, k, i, j; scanf("%d%d%d", &n, &m, &k); int zero = n*m*(1<<(m-1)); long long suma = 0; for(i=0;i<k;i++){ scanf("%s", slowo+1); for(j=1;j<=m;j++){ if(slowo[j]=='C') tab[i][j] = 1; else tab[i][j] = -1; } // for(j=1;j<=m;j++)printf("%d ", tab[i][j]);printf("\n"); // printf("%s", slowo+1); long long pom = 0; pom+=tab[i][1]; int it=0, flaga = 0; for(j=2;j<=m;j++){ if(tab[i][j]!=tab[i][j-1]) flaga = 1; pom<<=flaga; pom+=tab[i][j]; it+=flaga; } // printf("%d %d\n", pom, it); while(it<m-1){ pom<<=1; it++; } // printf("%d\n", pom); suma+=pom; } if(k==n){ printf("%d\n", suma==0); return 0; } dp[0][zero+0] = 1; vector<int>sas; for(i=1;i<=m;i++){ //i N long long pom = i<<(m-1); // printf("%d: %d\n", i, (1<<(m-i))); if(i==m){ sas.push_back(pom); sas.push_back(-pom); continue; } for(int j = 0;j<(1<<(m-i));j+=2){ long long pom1=0; for(int ij=0;ij<(m-i);ij++){ if((j>>ij)&1)pom1=pom1*2+1; else pom1 = pom1*2-1; } pom1<<=i-1; // if(pom+pom1==6)printf("6: %d %d\n", i, j); sas.push_back(pom+pom1); sas.push_back(0-pom-pom1); } } // for(auto j: sas)printf("%d ", j);printf("\n"); for(i=0;i<n-k;i++){ printf("%lld ", dp[i%2][suma+zero]); for(int j=0;j<2*zero;j++){ dp[(i+1)%2][j] = 0; for(auto s: sas) if(j+s>=0 && j+s<2*zero) dp[(i+1)%2][j] = (dp[(i+1)%2][j]+dp[i%2][j+s])%mod; } } printf("%lld\n", dp[(n-k)%2][suma+zero]); }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | #include<bits/stdc++.h> using namespace std; const int Mzero = 700000*2; long long dp[2][Mzero*2]; const long long mod = 1000000007; char slowo[30]; int tab[40][30]; int main() { int n, m, k, i, j; scanf("%d%d%d", &n, &m, &k); int zero = n*m*(1<<(m-1)); long long suma = 0; for(i=0;i<k;i++){ scanf("%s", slowo+1); for(j=1;j<=m;j++){ if(slowo[j]=='C') tab[i][j] = 1; else tab[i][j] = -1; } // for(j=1;j<=m;j++)printf("%d ", tab[i][j]);printf("\n"); // printf("%s", slowo+1); long long pom = 0; pom+=tab[i][1]; int it=0, flaga = 0; for(j=2;j<=m;j++){ if(tab[i][j]!=tab[i][j-1]) flaga = 1; pom<<=flaga; pom+=tab[i][j]; it+=flaga; } // printf("%d %d\n", pom, it); while(it<m-1){ pom<<=1; it++; } // printf("%d\n", pom); suma+=pom; } if(k==n){ printf("%d\n", suma==0); return 0; } dp[0][zero+0] = 1; vector<int>sas; for(i=1;i<=m;i++){ //i N long long pom = i<<(m-1); // printf("%d: %d\n", i, (1<<(m-i))); if(i==m){ sas.push_back(pom); sas.push_back(-pom); continue; } for(int j = 0;j<(1<<(m-i));j+=2){ long long pom1=0; for(int ij=0;ij<(m-i);ij++){ if((j>>ij)&1)pom1=pom1*2+1; else pom1 = pom1*2-1; } pom1<<=i-1; // if(pom+pom1==6)printf("6: %d %d\n", i, j); sas.push_back(pom+pom1); sas.push_back(0-pom-pom1); } } // for(auto j: sas)printf("%d ", j);printf("\n"); for(i=0;i<n-k;i++){ printf("%lld ", dp[i%2][suma+zero]); for(int j=0;j<2*zero;j++){ dp[(i+1)%2][j] = 0; for(auto s: sas) if(j+s>=0 && j+s<2*zero) dp[(i+1)%2][j] = (dp[(i+1)%2][j]+dp[i%2][j+s])%mod; } } printf("%lld\n", dp[(n-k)%2][suma+zero]); } |