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题解 | #数字三角形#

还是f提前舒服 def print_pic(n): for i in range(1,n+1): for j in range(1,n+1): if j<=i: print(f"{j} ",end="") ...

Python3

2022-06-20

0 238

题解 | #空心三角形图案#

从1到N遍历比从0到N遍历还是好理解一些 n = int(input()) for i in range(1,n+1): for j in range(1,n+1): if j==1 or j==i or i==n: print("* ",end=""...

Python3

2022-06-20

0 220

题解 | #空心正方形图案#感觉很难

感觉很难 while 1: try: n = int(input()) for i in range(0,n): for j in range(0,n): if i==0 or i ==n-1: ...

Python3

2022-06-20

0 240

题解 | #X形图案#

比较喜欢用0到n的循环 while 1: try: n = int(input()) for i in range(0,n): for j in range(0,n): if i==j or j==(n-...

Python3

2022-06-20

0 231

题解 | #反向输出一个四位数#难！！！！！

感觉很难 while 1: try: n = int(input()) for i in range(0,n): print(" "*(n-i-1),end="") print("* "*(i+1)) e...

Python3

2022-06-20

0 230

题解 | #水仙花数#

还算比较敢单 while 1: try: m,n = map(int,input().split()) flag = [] for i in range(m,n+1): sum1=0 add = ...

Python3

2022-06-17

0 290

题解 | #小乐乐算多少人被请家长#

没啥营养 n = int(input()) count = 0 for i in range(1,n+1): a = list(map(int,input().split())) if(sum( a)/len(a))<60: count+=1 print(co...

Python3

2022-06-17

0 223

题解 | #包含数字9的数#

感感单单 count =0 for i in range (1,2020): for j in str(i): if j == '9': count+=1 break print(count)

Python3

2022-06-17

0 256

题解 | #牛牛学数列4#

吸取楼上的解法,更易懂了. n = int(input()) print(sum([sum([i for i in range(1,i+1)])for i in range(1,n+1)])) 内外循环更容易看懂

Python3

2022-06-17

0 188

题解 | #牛牛学数列2#so easy

n = int(input()) sum=0.0 for i in range(1,n+1): sum += 1/i +0.0000000000000000001 print(f"{sum:.6f}")

Python3

2022-06-17

0 289