71.
Encryption in Route cipher is done . . . . . . . .

73.
What will be the output of the following code?
#include<iostream>
using namespace std;
int list[200];
void func(int n, int m = 0)
{
    int i;
    if(n == 0)
    {
         for(i = 0; i < m; ++i)
         printf("%d ", list[i]);
         printf("\n");
         return;
    }
    for(i = n; i > 0; --i)
    {
         if(m == 0 || i <= list[m - 1])
         {
             list[m] = i;
             func(n - i, m + 1);
         }
    }
 
}
int main()
{
	int n=3;
	func(n,0);
	return 0;
}

  3 
  2 1
  1 1 1

  1 1 1
  2 1
  3

  1 1 1
  1 2
  3

   3
   1 2
   1 1 1

75.
What is the significance of indicator block in running key cipher?