public static void Test() { Solution s = new Solution(); //[["leetcode","google","facebook"],["google","microsoft"],["google","facebook"],["google"],["amazon"]] //s.PeopleIndexes(new List<IList<string>>() //{ // new List<string>() {"leetcode","google","facebook" }, // new List<string>() {"google","microsoft" }, // new List<string>() { "google","facebook"}, // new List<string>() {"google" }, // new List<string>() { "amazon"}, //}).PrintList(); //[["kmccktodigztyrwpvlif","mcircxcauajyzlppedqy","rgjghlcicyocusukhmjb","zkcqvffyeekjdwqtjege"],["kfkzsjhkdrtsztchhazh","kmccktodigztyrwpvlif","rgjghlcicyocusukhmjb"],["kfkzsjhkdrtsztchhazh","kmccktodigztyrwpvlif","mcircxcauajyzlppedqy","zkcqvffyeekjdwqtjege"],["kfkzsjhkdrtsztchhazh","kmccktodigztyrwpvlif","mcircxcauajyzlppedqy","rgjghlcicyocusukhmjb"],["kfkzsjhkdrtsztchhazh","kmccktodigztyrwpvlif"]] s.PeopleIndexes(new List <IList <string> >() { new List <string>() { "kmccktodigztyrwpvlif", "mcircxcauajyzlppedqy", "rgjghlcicyocusukhmjb", "zkcqvffyeekjdwqtjege" }, new List <string>() { "kfkzsjhkdrtsztchhazh", "kmccktodigztyrwpvlif", "rgjghlcicyocusukhmjb" }, new List <string>() { "kfkzsjhkdrtsztchhazh", "kmccktodigztyrwpvlif", "mcircxcauajyzlppedqy", "zkcqvffyeekjdwqtjege" }, new List <string>() { "kfkzsjhkdrtsztchhazh", "kmccktodigztyrwpvlif", "mcircxcauajyzlppedqy", "rgjghlcicyocusukhmjb" }, new List <string>() { "kfkzsjhkdrtsztchhazh", "kmccktodigztyrwpvlif" }, }).PrintList(); }