Geeksforgeeks · Technology · 2026-08-16
Smallest number with given digit count and sum
Given two integers s and d, find the smallest possible number that has exactly d digits and a sum of digits equal to s.Return the number as a string. If no such number exists, return "-1".Examples :Input: s = 9, d = 2Output: 18 Explanation: 18 is the smallest number
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