Y
HN Search
Hacker News Search
new
|
comments
|
top
|
jobs
seg12
searching PlanetScale…
1.
▲
2.
▲
3.
▲
4.
▲
5.
▲
6.
▲
3 ms
·
1.
▲
by
seg12
8y ago
The following is incorrect for finding a missing number in a sequence. func foo( _ nums: [Int] ) -> Int { var sum = 0 var _ = nums.map {sum += $0} return (nums.count * ((nums.count+1) / 2)) - sum } The last li