[FIX] Rewrite Armstrong Number algorithm to follow contribution guide…#3028

shiwans-k-yadav wants to merge 1 commit intoTheAlgorithms:masterTheAlgorithms/C-Plus-Plus:masterfrom

shiwans-k-yadav:pr_armstrong_numbershiwans-k-yadav/PR_3:pr_armstrong_numberCopy head branch name to clipboard