Unnamed

1:     2: #include <iostream>    3:      4: using namespace std;    5:     6: int main()    7: {    8:     int n;    9:     int res=0;   10:     char *s1, *s2;   11:        12:     scanf("%d",&n);   13:     s1 = new char[n+1];   14:     s2 = new char[n+1];   15:     scanf("%s",s1);   16:     scanf("%s",s2);   17:     for(int i=0; i<n; i++)   18:       if(s1[i]!=s2[i]) res++;   19:     printf("%d",res);   20:   return 0;   21: }   22: