cf
/
mirror
Problemset
Contests
Favorites
Profile
Tools
Settings
Problemset
Contests
Favorites
Profile
Complexity
Stress
Graph
Templates
Crawler
Polycarpus' Dice
☆
save
CF
534C
1600
· expert
1s
256 MB
⌨ stdin/stdout
#math
hide
Examples
Sample 1
of 3
Input
copy
2 8
4 4
Output
copy
3 3
Sample 2
of 3
Input
copy
1 3
5
Output
copy
4
Sample 3
of 3
Input
copy
2 3
2 3
Output
copy
0 1
58%
534C.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