# Answer to Question #38744 in C++ for Saurabh Kashyap

Question #38744

Question: Find all the combinations between 1 and 1000 in which

1. doubling the first number and substracting from the second number will give a result of zero.

2. if the result is not 0, double the result and use it as the first number and repeat step 1.

For example :

let us consider 7 , 8 as inputs

step 1 :

7 * 2 - 8 = 6, which is not zero, so it goes to next step and first number is 6

6 * 2 - 8 = 4, which is not zero, so it goes to next step and first number is 4

4 * 2 - 8 = 0, here it satisfies the condition so system will print 7 , 8

Another sample set that satisfies the above condition: 10, 20

10 * 2 - 20 = 0, here it satisfies the condition so system will print 10 , 20

1. doubling the first number and substracting from the second number will give a result of zero.

2. if the result is not 0, double the result and use it as the first number and repeat step 1.

For example :

let us consider 7 , 8 as inputs

step 1 :

7 * 2 - 8 = 6, which is not zero, so it goes to next step and first number is 6

6 * 2 - 8 = 4, which is not zero, so it goes to next step and first number is 4

4 * 2 - 8 = 0, here it satisfies the condition so system will print 7 , 8

Another sample set that satisfies the above condition: 10, 20

10 * 2 - 20 = 0, here it satisfies the condition so system will print 10 , 20

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