/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

2 votes197 views1 answer
Replacing spaces in a string python
Python
0 vote205 views1 answer
Relative path django
Python
2 votes186 views2 answers
Or operator django
Python
2 votes207 views1 answer
When opening a file in python what does w mean
Python
1 vote262 views1 answer
-- python
Python
1 vote204 views1 answer
Data structures and algorithms in python
Python
10 votes240 views1 answer
Pandas slice based on column value
Python
1 vote207 views1 answer
Final class variable python
Python
0 vote201 views1 answer
Python string to list without split
Python
8 votes210 views2 answers
Pandas append csv file
Python