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codewars SortAndStar public static String twoSort(String[] s) { java.util.Arrays.sort(s); return String.join("***", s[0].split("")); // return String.join("***", Arrays.stream(s).sorted().findFirst().orElse("").split("")); /

coderwars Is my friend cheating? A friend of mine takes the sequence of all numbers from 1 to n (where n > 0). Within that sequence, he chooses two numbers, a and b He says that the product of a and b should be equal to the sum of all numbers in the s

codewars约瑟夫环问题 This problem takes its name by arguably the most important event in the life of the ancient historian Josephus: according to his tale, he and his 40 soldiers were trapped in a cave by the Romans during a siege. Refusing to surrender to the