第4个回答 2019-04-19
# index 1 2 3 4 5
# 项 1 (1+3) (1+3+5) (1+3+5+7) (1+3+5+7+9)
# value 1 4 9 16 25
# n值 1 3 5 7 9
n=9
total=0
for i in range(1,(n+1)//2+1):
total+=i**2
print(total) #结果55
# 项 1 (1+3) (1+3+5) (1+3+5+7) (1+3+5+7+9)
# value 1 4 9 16 25
# n值 1 3 5 7 9
n=9
total=0
for i in range(1,(n+1)//2+1):
total+=i**2
print(total) #结果55