4.12.cpp

来自「严蔚敏数据结构习题C++实现」· C++ 代码 · 共 45 行

#include <iostream>
#include <string>
using namespace std;
void Replace(string& S,string T,string V);
int main()
{
    string s,t,v;
    cin >> s >> t >> v;
    Replace(s,t,v);
    cout << s;
    system("pause");
    return 0;
}
void Replace(string& S,string T,string V)
{
     
    
     char temp[100] = {'\0'};
     int mark = 0;
     int i = 0;
     int j = 0;
     bool is_success;
     while(S[i] != '\0')
     {
         is_success = true;  
         int j = i;
         for(int s=0; T[s]!='\0';s++)
         {
             if(S[j] == T[s])
                 j++;
             else 
                 {is_success = false;break;}
         }
         if(!is_success)
             temp[mark++] = S[i++];
         else
         {
             for(int m=0; V[m]!='\0'; m++)
                 temp[mark++] = V[m];
             i = j;
         }
     }
     S = temp;
}