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
a = int(input()) for i in range(a): b = list(map(int,input().split())) total = 0 for i in range(b[0]): c = list(map(int, input().split())) for j in range(b[1]): total += c[j] print(total)