Huawei Machine Test-delete the same substring

Enter two strings, find out how many second substrings are in the first string, the number of outputs, and output the string after deleting all the second substrings.

Input: ABCDCDE CD

Output: 2 Abe

#include <iostream> #include <string>using namespace Std;int delete_sub_str (const char *str,const char *sub_ Str,char *result) {const char *p,*q;char *t,*tmp;int N=0;int num=0;//The number of identical substrings P=str;q=sub_str;t=result;n=strlen (q); tmp = New Char[n+1];memset (tmp,0,n+1); while (*p) {    memcpy (tmp,p,n);//copy n characters from the initial position of P to Tmpif (strcmp (tmp,q) ==0)//tmp=q {Num++;memset (tmp,0,n+1);p =p+n;} else{      *t = *p;p++;t++;memset (tmp,0,n+1);}} Delete Tmp;return num;} void Main () {char s[100] = {'};int ' num = delete_sub_str ("123abc123de1234fg1hi34j123k", "123", s);    Cout<<num<<endl;cout<<s<<endl;}

Huawei Machine Test-delete the same substring