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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