#include
using namespace std;
typedef long long ll;
const int N=20;
int n,m,f[N][N];
int main(){
freopen("qiuhe1.in","r",stdin);
freopen("qiuhe1.out","w",stdout);
cin>>n>>m;
if(n
#include
using namespace std;
typedef long long ll;
const int N=20;
int n,m,f[N][N];
int main(){
freopen("qiuhe2.in","r",stdin);
freopen("qiuhe2.out","w",stdout);
cin>>n>>m;
if(n
#include
using namespace std;
typedef long long ll;
const int N=20;
int n,m,S[N][N];
int main(){
freopen("qiuhe3.in","r",stdin);
freopen("qiuhe3.out","w",stdout);
cin>>n>>m;
if(n
#include
using namespace std;
typedef long long ll;
const int N=20;
ll n,m,S[N][N];
ll a(ll x){
ll mul=1;
for(ll i=1;i<=x;i++){
mul*=i;
}
return mul;
}
int main(){
freopen("qiuhe4.in","r",stdin);
freopen("qiuhe4.out","w",stdout);
cin>>n>>m;
if(n
希望这些对大家有用,三连必回