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1 postLottery
Code import java.util.Arrays;import java.util.Comparator; public class Lottery{ long perm(long a, long b) { long num = 1; for (int i = 0; i < b; i++) num *= a--; return num; } long fact(long a) { long num = 1; for (int i = 2; i
Code import java.util.Arrays;import java.util.Comparator; public class Lottery{ long perm(long a, long b) { long num = 1; for (int i = 0; i < b; i++) num *= a--; return num; } long fact(long a) { long num = 1; for (int i = 2; i