文本比较

亦凉 2022-02-03 06:39 324阅读 0赞

参考：[https://www.cnblogs.com/grenet/archive/2010/06/01/1748448.html][https_www.cnblogs.com_grenet_archive_2010_06_01_1748448.html]

#include <iostream>
    #include <string>
    #include <stdio.h>
    using namespace std;
    
    //定义计算文本修改的操作次数类
    class text_modify_num{
    	private:
    		char mA[100];
    		char mB[100];
    
    	public:
    		int Min_abc(int A, int B, int C)
    		{
    			int minvalue=A;
    			if(minvalue>B)
    			{
    				minvalue=B;
    			}
    			if(minvalue>C)
    			{
    				minvalue=C;	
    			}
    			return minvalue;			
    		}
    		
    		int LD(string A,string B)
    		{
    			//字符串转换为字符数组
    			int lengthA=A.copy(mA,A.length());
    			mA[lengthA]='\0';
    			int lengthB=B.copy(mB,B.length());
    			mB[lengthB]='\0';
    			
    			//定义结果变量
    			int L[A.length()][B.length()];	
    			int i;
    			int j;
    			
    			//初始化L
    			for(i=0;i<A.length();i++)
    			{
    				for(j=0;j<B.length();j++)
    				{
    					L[i][j]=0;
    				}	
    			}			
    			
    			for(i=1;i<A.length();i++)
    			{
    				L[i][0] = i;			
    			}
    			for(j=1;j<B.length();j++)
    			{
    				L[0][j] = j;				
    			}
    			
    			for(i=0;i<A.length();i++)
    			{
    			   for(j=0;j<B.length();j++) 
    			   {
    			       cout<<L[i][j];
    			   }
    			   cout<<endl;
    			    
    			}
    			
    			//计算操作次数
    			for(i=1;i<A.length();i++)
    			{
    				for(j=1;j<B.length();j++)
    				{
    					if(mA[i-1]==mB[j-1])
    					{
    						L[i][j] = L[i - 1][j - 1];
    					}else{
    						L[i][j] = Min_abc(L[i - 1][j - 1], L[i - 1][j], L[i][j - 1]) + 1;
    					}
    				}			
    			}
    			for(i=0;i<A.length();i++)
    			{
    			   for(j=0;j<B.length();j++) 
    			   {
    			       cout<<L[i][j];
    			   }
    			   cout<<endl;
    			    
    			}
    			
    			
    			return L[A.length()-1][B.length()-1];
    		}	
    		
    };
    
    int main()
    {  
    	text_modify_num text_check;
    	
    	int num;
    	char word;
    	char ch;
    	cin>>num;
    	ch = getchar();
    	string str[num*2];
    	
    	for(int p=0;p<num*2;p++)
    	{
    		while ((ch = getchar()) != '\n') {
    			str[p]=str[p]+(ch);
    		}
    	}	
    
    	cout<<str[0]<<endl;
    	int modify_num=text_check.LD(str[0],str[1]);
    	cout<< modify_num;	
    	return 0;
    }

[https_www.cnblogs.com_grenet_archive_2010_06_01_1748448.html]: https://www.cnblogs.com/grenet/archive/2010/06/01/1748448.html