2026-02-03 21:06:22 +09:00

16 lines
236 B
Swift

let N = Int(readLine()!)
var nums = (readLine()!).split(separator: " ").compactMap{Int($0)}
var score = 0
var ans = 0
for n in nums {
if n==0 {
score = 0
continue
}
score += 1
ans += score
}
print(ans)