题解 | 多组_二维数组_T组形式

package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

func main() {
    scanner := bufio.NewScanner(os.Stdin)
    scanner.Scan()
    line := strings.Fields(scanner.Text())
    t,_:=strconv.Atoi(line[0])
    for k:=0;k<t;k++{
        scanner.Scan()
        line = strings.Fields(scanner.Text())
        n,_:=strconv.Atoi(line[0])
        m,_:=strconv.Atoi(line[1])
        total := int64(0)
        for i:=0;i<n;i++{
            scanner.Scan()
            line = strings.Fields(scanner.Text())
            for j:=0;j<m;j++{
                a,_ := strconv.ParseInt(line[j], 10, 64)
                total+=a
            }
        }
        fmt.Println(total)
    }
}