#include<iostream>
using namespace std;
#include<string>
int STRLEN(char *s,int i=0,int diem=0)
{
if(s[i]=='\0')
return diem;
return STRLEN(s,i+1,diem+1);
}
int diemkytuam(char *s,int i=0,int d=0)
{
if(i==STRLEN(s))
return d;
return diemkytuam(s,i+1,s[i]=='-'?d+=1:d);
}
char p[50]="abcba";
int k=STRLEN(p)-1;
bool doixung(char *s,int i=0,int j=k,bool x=true)
{ if((i==((k/2)+1))&&(j==((k/2)-1)))
return x=s[i]!=s[j]?false:true;
return doixung(s,i+1,j-1);
}
int main()
{
printf("Nhap Chuoi De Kiem Tra Doi Xung:");
gets(p);
int k=diemkytuam(p);
cout<<"ky tu am trong chuoi la: "<<k;
bool check=doixung(p);
if(check==true )
{
cout<<"\nChuoi Doi Xung";
}
else if(check==false)
{
cout<<"\nChuoi Ko Doi Xung";
}
system("pause");
return 0;
}
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