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()) if n==1 or n==2: print(-1) else: if n%2: print(2) else: if (n/2)%2==0: print(3) else: print(4)
杨辉三角的变形
https://www.nowcoder.com/practice/8ef655edf42d4e08b44be4d777edbf43
n=int(input()) if n==1 or n==2: print(-1) else: if n%2: print(2) else: if (n/2)%2==0: print(3) else: print(4)
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