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Codeup 1511 - 테두리의 합
bug_maker
2019. 3. 29. 19:18
<http://codeup.kr/problem.php?id=1511>
Codeup 1511 - 테두리의 합
n = int(input())
matrix = [[0]*n for i in range(n)]
cnt = 0
total = 0
for i in range(0, n):
for j in range(0, n):
cnt += 1
matrix[i][j] = cnt
for i in range(0, n):
total += matrix[0][i]
for i in range(1, n):
total += matrix[i][n-1]
for i in range(n-2, -1, -1):
total += matrix[n-1][i]
for i in range(n-2, 0, -1):
total += matrix[i][0]
print(total)