package main
import "fmt"

func main() {
    arr := [5][5]int{
        {1, 0, 3, 4, 0},
        {0, 0, 3, 4, 0},
        {0, 0, 3, 2, 0},
        {0, 0, 9, 2, 0},
        {0, 0, 3, 0, 0},
    }
    r:=[5]int{}
   for i := 0; i < len(arr); i++ {
        sumLine := 0
        for j := 0; j < len(arr[i]); j++ {
            sumLine+=arr[i][j]
        }//for j
        r[i]=sumLine
    }//fori
 fmt.Printf("%v ",r) 
    //假设第一个元素是最大值，下标为0
    maxVal := r[0]
    maxIndex := 0

    for i := 1; i < len(r); i++ {
        //从第二个 元素开始循环比较，如果发现有更大的，则交换
        if maxVal < r[i] {
            maxVal = r[i]
            maxIndex = i
        }
    }

    fmt.Printf("maxVal=%v, maxIndex=%v", maxVal, maxIndex)
}