Files
LeetCode-Go/leetcode/1137.N-th-Tribonacci-Number/1137. N-th Tribonacci Number.go
2020-08-07 17:06:53 +08:00

14 lines
190 B
Go

package leetcode
func tribonacci(n int) int {
if n < 2 {
return n
}
trib, prev, prev2 := 1, 1, 0
for n > 2 {
trib, prev, prev2 = trib+prev+prev2, trib, prev
n--
}
return trib
}