cf
/
mirror
Problemset
Contests
Favorites
Profile
Tools
Settings
Problemset
Contests
Favorites
Profile
Complexity
Stress
Graph
Templates
Crawler
Reverse a Permutation
☆
save
CF
2193B
800
· newbie
2s
256 MB
⌨ stdin/stdout
#greedy
hide
Examples
Sample 1
of 1
multi-test • hover to link
Input
copy
4
4
3 2 1 4
3
3 1 2
4
4 3 2 1
2
2 1
Output
copy
4 1 2 3
3 2 1
4 3 2 1
2 1
58%
2193B.cpp
GNU C++20 (64)
GNU C11
Python 3
PyPy 3
Java 21
Rust
Go
C#
JavaScript
Ruby
Pascal
Haskell
Kotlin · no run
loading editor…
Ln
11
·
137 B
GNU C++20 (64)
⟲ Reset
Run samples
Submit
▸
Custom test
run your code against any stdin
▸
Stress test
run a brute + generator against your solution to find a failing case
▸
Editorial & videos
official tutorial + youtube — hidden while contest is live