**This contest is unrated due to the site down issue in [LeetCode China](https://leetcode-cn.com/). We\'re very sorry for the inconvenience. We\'ll still reach out to the top 20 LCUS(leetcode.com) winners to giveaway the bonus prizes.** \n\nWelcome to [Weekly Contest 281](/contest/weekly-contest-281)! Feel free to share and post your contest experience here!\n\nYou can also view the rankings for the contest [here](/contest/weekly-contest-281/ranking).\n\nLinks to the individual problems are included below:\n\n[Count Integers With Even Digit Sum](/problems/count-integers-with-even-digit-sum) (3 points)\n\n[Merge Nodes in Between Zeros](/problems/merge-nodes-in-between-zeros) (4 points)\n\n[Construct String With Repeat Limit](/problems/construct-string-with-repeat-limit) (5 points)\n\n[Count Array Pairs Divisible by K](/problems/count-array-pairs-divisible-by-k) (6 points)

This contest is unrated due to the site down issue in LeetCode China. We\'re very sorry for the inconvenience. We\'ll still reach out to the top 20 LCUS(leetcod