题意:
题解:
AC代码
/* Author:zzugzx Lang:C++ Blog:blog.csdn.net/qq_43756519 */ #include<bits/stdc++.h> using namespace std; #define fi first #define se second #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define SZ(x) (int)x.size() #define endl '\n' typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int mod=1e9+7; //const int mod=998244353; const double eps = 1e-10; const double pi=acos(-1.0); const int maxn=1e5+10; const ll inf=0x3f3f3f3f; const int dir[4][2]={{0,1},{1,0},{0,-1},{-1,0}}; const int p=1e8; int n,m; ll g[20][20],dp[20][5000]; bool ok(int st,int i){ for(int j=0;j<m;j++) if((st>>j)&1&&!g[i][j])return 0; return 1; } int main() { ios::sync_with_stdio(false); cin.tie(0);cout.tie(0); //freopen("in.txt","r",stdin); //freopen("out.txt","w",stdout); while(cin>>n>>m){ memset(dp,0,sizeof dp); for(int i=1;i<=n;i++) for(int j=0;j<m;j++) cin>>g[i][j]; dp[0][0]=1; for(int i=1;i<=n;i++){ for(int st=0;st<(1<<m);st++){ if(st&(st>>1)||!ok(st,i))continue; for(int st1=0;st1<(1<<m);st1++){ if(st1&st)continue; dp[i][st]=(dp[i][st]+dp[i-1][st1])%p; } } } ll ans=0; for(int i=0;i<(1<<m);i++)ans=(ans+dp[n][i])%p; cout<<ans<<endl; } return 0; }