Răspuns:
#include <iostream>
using namespace std;
int main()
{
int n, c1, c2, x=0, cif, copie, z=1;
cin >> n >> c1 >> c2;
copie=n;
while (copie>9)
{
z*=10; copie/=10;
}
if (n==0 && c1==0) cout << c2;
else
{
while (n)
{
cif=n/z; n%=z; z/=10;
if (cif==c1) x=x*10+c2;
else x=x*10+cif;
}
cout << x << endl;
}
return 0;
}
Explicație:
