题解 | 多组_二维数组_T组形式
多组_二维数组_T组形式
https://www.nowcoder.com/practice/fe1e902e076b46dd82e7d42e12617893
import sys
t = int(input())
for _ in range(t):
n,m = map(int,input().split())
s = 0
for _ in range(n):
data = list(map(int,input().split()))
s+= sum(data)
print(s)
