求变量 s:="123" 中123相加求和的方法

china_wenya · · 1477 次点击
package main import ( "fmt" ) func main() { var s = "123" sum := 0 for i := 0; i < len(s); i++ { sum += int(s[i] - 48) } fmt.Println(s, sum) }
#7
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``` package main import ( "strconv" "fmt" ) func main() { var s = "987654321" var result = 0 re, _ := strconv.Atoi(s) for i := re; i > 0; i /= 10 { result += i % 10 } fmt.Println(result) } ```
#1