#80 - Duplicate Integers
public Boolean containsDuplicates(List<Integer> nums) {
Set<Integer> seen = new Set<Integer>();
for (Integer i=0; i<nums.size(); i++) {
if (seen.contains(nums[i])) return true;
seen.add(nums[i]);
}
return false;
}
댓글 4개
Abdul Basith - Acknowledging and thanks for brief code.
I want to shorten it further:
#92 - Sorting a Listpublic List<String> getNamesInAscOrder(List<String> accountNames)
{
accountNames?.sort();
return accountNames ?? accountNames;
}
