24.
What is the output of the following code?
#include<stdio.h>
int get_len(char *s)
{
      int len = 0;
      while(s[len] != '\0')
        len++;
      return len;
}
int main()
{
      char *s = "";
      int len = get_len(s);
      printf("%d",len);
      return 0;
}

26.
Consider the given pseudocode for eulerizing a graph. Which of the following best suits the blank?
Pick up all the vertices of _______  
Repeat edges between the vertices until the graph has no odd degree  
Repeat only pre-existing edges