算法看不懂,两个check
看了wp原来两个check是验证杨辉三角。。。
def triangles(): N=[1] while True: yield N N.append(0) N=[N[i-1] + N[i] for i in range(len(N))] n=0 x='' for t in triangles(): # print(t) x+=''.join(map(str,t)) n=n+1 if n == 20: break import hashlib m=hashlib.md5(x.encode()).hexdigest() # print(x) print('RCTF{'+m+'}') #RCTF{37894beff1c632010dd6d524aa9604db}