Bài 24

day = list(map(float, input("Nhap cac so hang (cach nhau dau cach): ").split()))

# Kiem tra CSC
la_csc = True
d = day[1] - day[0]
for i in range(1, len(day)):
    if round(day[i] - day[i-1], 9) != round(d, 9):
        la_csc = False
        break

# Kiem tra CSN
la_csn = True
if day[0] == 0:
    la_csn = False
else:
    q = day[1] / day[0]
    for i in range(1, len(day)):
        if day[i-1] == 0 or round(day[i] / day[i-1], 9) != round(q, 9):
            la_csn = False
            break

if la_csc:
    print(f"LA cap so cong voi d = {d}")
else:
    print("Khong phai cap so cong")

if la_csn:
    print(f"LA cap so nhan voi q = {round(q, 4)}")
else:
    print("Khong phai cap so nhan")