What is the output of the following code snippet? string reverse(string str, int start, int end) { } } if (start >= end) { return str; string string_reverse(string str) { } } char ch = str[start]; str[start] = str[end]; str[end]=ch; return reverse(str, start + 1, end - 1); int index = str.length() / 2; string str1 = reverse(str, 0, index 1); string str2 = reverse (str, index, str.length() - 1); int main() { string str3 = str1.substr(0, index); string str4 = str2.substr(index, str.length() index); return str3.append(str4); - cout<

Question
C++
What is the output of the following code snippet?
string reverse(string str, int start, int end)
{
}
}
if (start >= end)
{
return str;
string string_reverse(string str)
{
}
}
char ch = str[start];
str[start] = str[end];
str[end]=ch;
return reverse(str, start + 1, end - 1);
int index = str.length() / 2;
string str1 = reverse(str, 0, index - 1);
string str2 = reverse (str, index, str.length() - 1);
string str3 = str1.substr(0, index);
string str4 = str2.substr(index, str.length() - index);
return str3.append(str4);
int main()
{
cout << string_reverse("1234") << endl;
return 0;
1234
Transcribed Image Text:What is the output of the following code snippet? string reverse(string str, int start, int end) { } } if (start >= end) { return str; string string_reverse(string str) { } } char ch = str[start]; str[start] = str[end]; str[end]=ch; return reverse(str, start + 1, end - 1); int index = str.length() / 2; string str1 = reverse(str, 0, index - 1); string str2 = reverse (str, index, str.length() - 1); string str3 = str1.substr(0, index); string str4 = str2.substr(index, str.length() - index); return str3.append(str4); int main() { cout << string_reverse("1234") << endl; return 0; 1234
}
string string_reverse(string str)
{
}
}
char ch = str[start];
str[start] = str[end];
str[end] ch;
return reverse(str, start + 1, end - 1);
}
int index = str.length() / 2;
string str1 = reverse(str, 0, index - 1);
string str2 = reverse(str, index, str.length() - 1);
string str3 = str1.substr(0, index);
string str4 = str2.substr(index, str.length() - index);
return str3.append(str4);
int main()
{
cout << string_reverse("1234") << endl;
return 0;
1234
4321
4231
2143
Transcribed Image Text:} string string_reverse(string str) { } } char ch = str[start]; str[start] = str[end]; str[end] ch; return reverse(str, start + 1, end - 1); } int index = str.length() / 2; string str1 = reverse(str, 0, index - 1); string str2 = reverse(str, index, str.length() - 1); string str3 = str1.substr(0, index); string str4 = str2.substr(index, str.length() - index); return str3.append(str4); int main() { cout << string_reverse("1234") << endl; return 0; 1234 4321 4231 2143
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