Question

C++ code to print all 4 digit numbers with exactly two zeroes.​

Answer 1

Given number of digits n, print all n-digit numbers whose sum of digits adds upto given sum. Solution should not consider leading 0’s as digits.

Examples:

Input: N = 2, Sum = 3

Output: 12 21 30

Input: N = 3, Sum = 6

Output: 105 114 123 132 141 150 204

213 222 231 240 303 312 321

330 402 411 420 501 510 600

Input: N = 4, Sum = 3

Output: 1002 1011 1020 1101 1110 1200

2001 2010 2100 3000