function checkSubset(array1, array2) {
const set1 = new Set(array1);
const set2 = new Set(array2);
for (const element of set2) {
if (!set1.has(element)) {
return false;
}
}
return true;
}
Can we consider this function's complexity to be O(n)? The size of the arrays influences it.
As the keys (or array) are iterated in array2Set and queries to the set have a time complexity of O(1), the overall time complexity is indeed O(n).
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