Submission #62072432

Source Code Expand

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
def main():
    N = int(input())
    A = list(map(int, input().split()))
    
    if N == 2:
        exit(print("Yes"))
    for i in range(2, N):
        if A[i] * A[0] != A[i-1] * A[1]:
            exit(print("No"))
    print("Yes")
if __name__ == "__main__":
    main()
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

def main():
    N = int(input())
    A = list(map(int, input().split()))
    
    if N == 2:
        exit(print("Yes"))

    for i in range(2, N):
        if A[i] * A[0] != A[i-1] * A[1]:
            exit(print("No"))

    print("Yes")

if __name__ == "__main__":
    main()

Submission Info

Judge Result