学步园

using namespace std;

int main()
{
char *pdest;
int result;
int i;
int k=0;

char str[] = "lazy";
int lenstr = strlen(str);

char newstr[] = "beautiful";

char strings[100] = "The quick brown dog jumps over the lazy fox";
cout<<strings<<endl;

pdest = strstr( strings, str );

result = pdest - strings + 1;
int stringlen = strlen(strings);
int len = strlen(newstr);

for(i=stringlen;i>=(result+lenstr-2);--i)
{
strings[i+len-lenstr]=strings[i];
}

for(i=result-1;i<result+len-1;++i)
{
strings[i] = newstr[k++];
}
cout<<strings<<endl;
system("pause");
return 0;
}