/Python/Codeforces 233 a solution python

Codeforces 233 a solution python

n=int(input())
m=n+1
if n%2!=0 :
    print("-1")
else :
    for i in range (1,m) :
        if i%2==0 :
            print(i-1)
        else :
            print(i+1)

Source: github.com

Similar codes

3 votes190 views3 answers
Pip install wikipedia
Python
0 vote182 views1 answer
Python get next item from generator
Python
21 votes177 views3 answers
List of strings to numbers python
Python
0 vote176 views1 answer
Python look for image on screen
Python
17 votes152 views1 answer
Strip all spaces python
Python
0 vote161 views1 answer
Get Project Parameter Dynamo Revit
Python
0 vote174 views1 answer
Python enumerate list with comprehension
Python
0 vote207 views1 answer
Drop columns pyspark
Python
0 vote185 views1 answer
How to write statements in python
Python
1 vote168 views1 answer
How to clear checkbox in tkinter
Python