import time
from memory_profiler import profile
@profile #修飾器
def Add1(n):
'''遞推的運算累加和'''
sum=0
for i in range(1,n+1):
sum+=i
return sum
n=input("請輸入累加次數:")
n=int(n)
start1=time.time()
x=Add1(n)
end1=time.time()
print("遞推累加和-->",x,"運作時間-->",end1-start1)
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLiAzNfRHLGZkRGZkRfJ3bs92YsYTMfVmepNHLzEEVNNTUE5UeRpHW4Z0MMBjVtJWd0ckW65UbM5WOHJWa5kHT20ESjBjUIF2X0hXZ0xCMx81dvRWYoNHLrdEZwZ1Rh5WNXp1bwNjW1ZUba9VZwlHdssmch1mclRXY39CXldWYtlWPzNXZj9mcw1ycz9WL49zZuBnLyEDN2AjMxMTM2ETNwkTMwIzLc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)