cout< \"input the n:\"<<endl

cin>>n

int *p=new int [n+1]

int **m=new int *[n+1]

int **s=new int *[n+1]

for(int i=0 i<=n i++)

{

m[i]=new int [n+1]

s[i]=new int [n+1]

}

cout<<\"intput N*M(n+1):\"<<endl

for(i=0 i<=n i++)

cin>>p[i]

int t