Question

I have a problem to solve which takes as input a number n. The problem has a property that given the solution for (n-1), i can easily solve the problem for n. Which programming technique will i use to solve such a problem?

Answer 1

Answer:

print("solution for (n-1) is ",( n-1 ) )   { code is in python }

Program in python:

n = int ( input ( "Enter a number" ) )

print("solution for (n-1) is ",( n-1 ) )

Explanation:

1. in first line of code i took value only in int by using int() method which is predefined in python
2. in 2nd line of code i printed value of (n-1) directly
3. so you can print the value that has to be calculated dirctly in the print statement weather it is java or c or c++ or python or any other programming language that has output statements

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