解题思路:
注意事项:
参考代码:
n = int(input()) arr = [list(map(int, input().split())) for _ in range(n)] x, y = 0, 0 for i in range(len(arr)): a = i b = len(arr) - i - 1 for j in range(len(arr)): if j == a: x += arr[i][j] if j == b: y += arr[i][j] if j == a and j == b: y -= arr[i][j] print(x+y)
0.0分
0 人评分