题解 | #杨辉三角的变形#
杨辉三角的变形
https://www.nowcoder.com/practice/8ef655edf42d4e08b44be4d777edbf43
n = int(input())
s = [2, 3, 2, 4]
if n <= 2:
print(-1)
else:
i = (n-2) % 4
print(s[i-1])
杨辉三角的变形
https://www.nowcoder.com/practice/8ef655edf42d4e08b44be4d777edbf43
n = int(input())
s = [2, 3, 2, 4]
if n <= 2:
print(-1)
else:
i = (n-2) % 4
print(s[i-1])
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