十字链表的语言描述
基本运算的算法——建立稀疏矩阵的十字链表的算法、输出稀疏矩阵十字链表的算法
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#include<iostream>using
namespace std;template
<class
T>class
shizi{private: struct
Node { int
i; int
j; T data; Node * right; Node * down; Node():right(NULL),down(NULL) {} Node(int
x, int
y , T a) { i = x; j = y; data = a; right = NULL; down = NULL; } }; Node *rhead; Node *chead; Node *rcur; Node *ccur; int
row,col,number;public: shizi( int
x, int
y , int
num) { row = x; Node * head1 = new
Node(); rhead = head1; rcur = head1; for(int
i = 0 ; i < row ; i++)//建立一列空的行节点 { Node * p = new
Node(); rcur->down = p; rcur = rcur -> down; } col = y; Node * head2 = new
Node(); chead = head2; ccur = head2; for(int
i = 0 ; i < col ; i++)//建立一行空的列节点 { Node * p = new
Node(); ccur -> right = p; ccur = ccur -> right; } number = num; } int
returnx()//返回x值 { return
rcur->i; } int
returny()//返回y值 { return
rcur->j; } T returndata()//返回data值 { return
rcur->data; } void
charu()//插入 { for(int
i = 0 ; i < number ; i++) { cout<<"please input x y data"<<endl; int
x1,y1; T data1; cin>>x1>>y1>>data1; rcur = rhead; ccur = chead; //行---建立节点 Node * p = new
Node(x1,y1,data1); for(int
i = 0 ; i < x1 ; i++ )//找到要插入的行 { rcur = rcur -> down; } for(int
i = 0 ; i < y1 ; i++)//找到要插入的列 { if(rcur -> right == NULL)//如果列的元素为空 { rcur -> right = p; break; } else { rcur = rcur -> right; } } //列指针的连接 for(int
i = 0 ; i < y1 ; i++) { ccur = ccur -> right; } for(int
i = 0 ; i < x1 ; i++) { if(ccur -> down == NULL ) { ccur -> down = p; break; } else { ccur = ccur -> down; } } } } void
print()//打印 { Node * tem = rhead; rcur = rhead; tem = tem->down; rcur = rcur->down; for(int
i = 0 ; i < row ; i++)//按行打印，遍历一行所有元素，然后移到下一行 { while(rcur!=NULL) { if(returnx()!=0&&returny()!=0) cout<<returnx()<<" "<<returny()<<" "<<returndata()<<endl; rcur = rcur -> right; } rcur = tem -> down; tem = tem -> down; } }};int
main(){ int
x,y,n; cout<<"please input row col number"<<endl; cin>>x>>y>>n; shizi < int
> dusk(x,y,n); dusk.charu(); dusk.print();} |
原文地址：http://www.cnblogs.com/Duskcl/p/3768554.html
