Python–查找所有小于 a 且和大于 b 的连续奇数正整数对
原文:https://www . geeksforgeeks . org/python-查找所有连续奇数正整数对-大于 b 的和小于 a/
给定两个正整数 a 和 b ，任务是用 python 编写一个程序，找出所有小于第一个数 a 的连续奇数对，它们的和应该大于第二个数 b 。
示例:
Input:
a = 60
b = 100
Output:
Pairs of consecutive number are:
51 , 53
53 , 55
55 , 57
57 , 59
Input:
a = 20
b = 200
Output:
None
进场:
给出两个数字，然后检查它们是否为正整数，并检查第一个数字是否大于第二个数字的一半。然后我们将检查奇数正整数，并在变量 a. 中赋值。在而语句中，找到并打印奇数连续整数对。
例 1:
Python 3
# input first and second number
a = 60
b = 100
print('a =', a)
print('b =', b)
# check the first number should be greater
# than the half of second number and both number
# should be positive integer
if(a > 0 and b > 0 and a > b/2):
# to ensure value in firstNum variable
# must be odd positive integer
if(a % 2 == 0):
a -= 1
else:
a -= 2
b //= 2
print("Pairs of consecutive number are:")
# find the pairs of odd
# consecutive positive integer
while(b <= a):
if(b % 2 != 0):
x = b
if(x + 2 <= a):
print(x, ',', x+2)
b += 1
else:
print("None")
输出:
a = 60
b = 100
Pairs of consecutive number are:
51 , 53
53 , 55
55 , 57
57 , 59
例 2:
Python 3
# input first and second number
a = 20
b = 200
print('a =', a)
print('b =', b)
# check the first number should be greater
# than the half of second number and both number
# should be positive integer
if(a > 0 and b > 0 and a > b/2):
# to ensure value in firstNum variable
# must be odd positive integer
if(a % 2 == 0):
a -= 1
else:
a -= 2
b //= 2
print("Pairs of consecutive number are:")
# find the pairs of odd
# consecutive positive integer
while(b <= a):
if(b % 2 != 0):
x = b
if(x + 2 <= a):
print(x, ',', x+2)
b += 1
else:
print("None")
输出:
a = 20
b = 200
None
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