题解 | 单组_一维数组

package main

import (
    "fmt"
    "bufio"
    "os"
)

func main() {
    reader := bufio.NewReader(os.Stdin)
    var n,a int64
    fmt.Fscan(reader, &n)
    total := int64(0)
    for i:=int64(0);i<n;i++{
        fmt.Fscan(reader, &a)
        total+=a
    }
    fmt.Println(total)

}