题解 | 多组_二维数组_T组形式
一行一行加起来
import sys
for _ in range(int(input())):
n,m = map(int,input().split())
s = 0
for _ in range(n):
s += sum(map(int,input().split()))
print(s)
一行一行加起来
import sys
for _ in range(int(input())):
n,m = map(int,input().split())
s = 0
for _ in range(n):
s += sum(map(int,input().split()))
print(s)
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