题解 | 多组_一维数组_T组形式

package main

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

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