题解 | #数列的和#
数列的和
https://www.nowcoder.com/practice/fe19f8a78a5148018f4be53ae9b5e11e
package main
import (
"fmt"
"math"
)
func main() {
var a float64 = 0
b := 0
for {
n, _ := fmt.Scan(&a, &b)
if n == 0 {
break
} else {
var res float64 = a
var pre float64 = a
for i:=1;i<b;i++ {
pre = math.Sqrt(pre)
res += pre
}
fmt.Println(fmt.Sprintf("%.2f",res))
}
}
}
