22 lines
253 B
Go
22 lines
253 B
Go
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package main
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func main() {
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}
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func climbStairs(n int) int {
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if n == 1 {
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return 1
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}
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if n == 2 {
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return 2
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}
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stepn1 := 1
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stepn2 := 2
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for i := 3; i <= n; i++ {
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current := stepn1 + stepn2
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stepn1, stepn2 = stepn2, current
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}
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return stepn2
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}
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