poj 2533 poj 2533 poj 2533 记忆式搜索1 2

#include <iostream>
#include <cstring>
#define N 10005
using namespace std;
int a[N],b[N],n,maxlen=1;
int f( int x)
{ int i,m,t;
 if ( b[x]>0 ) return b[x];
 m=1;
 for (i=0;i<x; i++)
 {    t=f(i);
         if (a[x]>a[i])  m=max(m,f(i)+1); 
         if (m>maxlen) maxlen=m;
    }         
    return b[x]=m;
}
int main(int argc, char *argv[])
{ int i,j;
 cin>>n;
 for (i=0;i<n; i++)
   cin>>a[i];
    memset(b,-1,sizeof(b) );
    f(n-1);
    for (i=0;i<n; i++)
      if (b[i]>maxlen) maxlen=b[i];
   cout<<maxlen<<endl;
 return 0;
}

#include <iostream>
#include <cstring>
#define N 10005
using namespace std;
int a[N],b[N],n,maxlen=1;
int f( int x)
{ int i,m,t;
 if ( b[x]>0 ) return b[x];
 m=1;
 for (i=0;i<x; i++)
 {    t=f(i);
         if (a[x]>a[i])  m=max(m,f(i)+1); 
         if (m>maxlen) maxlen=m;
    }         
    return b[x]=m;
}
int main(int argc, char *argv[])
{ int i,j;
 cin>>n;
 for (i=0;i<n; i++)
   cin>>a[i];
        memset(b,-1,sizeof(b) );
        f(n-1);
    cout<<maxlen<<endl;
 return 0;
}

#include <iostream>
#include <cstring>
#define N 10005
using namespace std;
int a[N],b[N],n,maxlen=1;
int f( int x)
{ int i,m,t;
 if ( b[x]>0 ) return b[x];
 m=1;
 for (i=0;i<x; i++)
 {    t=f(i);
         if (a[x]>a[i])  m=max(m,f(i)+1); 
         if (m>maxlen) maxlen=m;
    }         
    return b[x]=m;
}
int main(int argc, char *argv[])
{ int i,j;
 cin>>n;
 for (i=0;i<n; i++)
   cin>>a[i];
        memset(b,-1,sizeof(b) );
        f(n-1);
    cout<<maxlen<<endl;
 return 0;
}

poj 2533 poj 2533 poj 2533 记忆式搜索1 2

时间： 2024-07-31 14:34:47

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