Răspuns:
Explicație:
#include <iostream>
#include <cstring>
using namespace std;
char S[250], x;
int n;
bool gasit(char S[250], char x, int n)
{
if (S[n]==x) { return true;}
else
{
if (n-1==-1) return false;
else gasit(S,x,n-1);
}
}
int main()
{
cout << "Sirul de caractere S= "; cin.getline(S,250);
n=strlen(S);
--n;
cout << "caracterul cautata? x= "; cin >> x;
cout << "exista caracterul in sir?: ";
if (gasit(S,x,n)) cout << "DA";
else cout << "NU";
}
