题解 | #多组_二维数组_T组形式#

#include <stdio.h>

int main() 
{
    long long int sum;
   int row,rol,num,element,count;
   scanf("%d",&num);
   while(scanf("%d %d",&row,&rol))
   {
    sum = 0;
    count = row*rol;

    while(scanf("%d",&element))
    {
        count--;
    sum +=element;
    if(count == 0)
    break;
    }

    printf("%lld\n",sum);
    num--;
    if(num == 0)
    break;
   }
    return 0;
}