C acil ödev yardım kelime bulup değiştirme

 
  #include<iostream> 
  #include<cstring> 
   
  using namespace std; 
   
  int main() 
  { 
     char source[50]="BIL200 dersini cok cok ama cok seviyorum"; 
     char temp[60]=""; 
     char sub[10]=""; 
     char find[10]="cok"; 
     char temp1[10]="very"; 
   
      int i,j,len; 
   
      len=strlen(find); 
   
   
   
      cout<<source<<endl; 
      cout<<"length of the "<<find<<":"<<strlen(find)<<endl; 
      cout<<"length of the "<<temp1<<":"<<strlen(temp1)<<endl; 
   
   
      i=0,j=0; 
   
      int count=0; 
   
      while(i<=strlen(source)) 
      { 
   
        strncpy(sub,&source[i],len); 
        sub[len]='\0'; 
   
        if(strcmp(sub,find)==0) 
        { 
         strcat(temp,temp1); 
         i=i+len-1; 
         j=j+strlen(temp1)-1; 
         ++count; 
        } 
        else 
           temp[j]=source[i]; 
   
        ++i; 
        ++j; 
   
      } 
   
        cout<<"the word has been "<<count<<" times"<<endl; 
        cout<<temp<<endl; 
   
  	return 0; 
  }