[USACO06NOV] 玉米田Corn Fields

题源：https://www.luogu.org/problemnew/solution/P1879

偏模板的状压dp题。

#include 

#define numm ch - 48
#define pd putchar(' ')
#define pn putchar('\n')
#define pb push_back
#define fi first
#define se second
#define fre1 freopen("1.txt", "r", stdin)
#define fre2 freopen("2.txt", "w", stdout)
typedef long long int ll;
typedef long long int LL;
using namespace std;

template
void read(T &res) {
    bool flag = false;
    char ch;
    while (!isdigit(ch = getchar())) (ch == '-') && (flag = true);
    for (res = numm; isdigit(ch = getchar()); res = (res << 1) + (res << 3) + numm);
    flag && (res = -res);
}

template
void write(T x) {
    if (x < 0)
        putchar('-'), x = -x;
    if (x > 9)
        write(x / 10);
    putchar(x % 10 + '0');
}

//static auto _ = []() {
//    ios::sync_with_stdio(false);
//    cin.tie(0);
//    return 0;
//}();
#pragma GCC optimize(3, "Ofast", "inline")
//

const int mod = 100000000;

int m, n;
int mp[13][13];
ll dp[13][4096] = {0};

int main() {
    read(m), read(n);
    for (int i = 1; i <= m; i++) {
        for (int j = 1; j <= n; j++) {
            read(mp[i][j]);
        }
    }
    for (int j = 0; j < (1 << n); j++) {
        for (int k = j, l = n; k > 0; k >>= 1, l--) {
            if ((k & 1) && (!mp[1][l])) goto loop2;
        }
        if (j & (j << 1)) goto loop2;
        if (j & (j >> 1)) goto loop2;
        dp[1][j]++;
        loop2:;
    }
    for (int i = 2; i <= m; i++) {
        for (int j = 0; j < (1 << n); j++) {
            for (int k = j, l = n; k > 0; k >>= 1, l--) {
                if ((k & 1) && (!mp[i][l])) goto loop;
            }
            if (j & (j << 1)) goto loop;
            if (j & (j >> 1)) goto loop;
            for (int k = 0; k < (1 << n); k++) {
                if (j & k) continue;
                dp[i][j] =(dp[i][j] + dp[i - 1][k]) % mod;
            }
            loop:;
        }
    }
    ll ans = 0;
    for (int i = 0; i < (1 << n); i++) {
        ans = (ans + dp[m][i]) % mod;
    }
    write(ans);
    return 0;
}