Given three numbers b, x, n. The task is to find the values of ‘a’ in equation (a+b) <= n such that a+b is divisible by x. If no such values are possible then print -1.
Input: b = 10, x = 6, n = 40 Output: 2 8 14 20 26 Input: b = 10, x = 1, n = 10 Output: -1
Approach: One can find the least possible value (b/x + 1)*x – b. Then we increase answer by x until it is not greater than n. Here (b/x + 1)*x is the least possible value which is divisible by x.
Below is the implementation of above approach:
2 8 14 20 26
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- Number of integral solutions for equation x = b*(sumofdigits(x)^a)+c
- Program to find the Roots of Quadratic equation
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