cf
/
mirror
Problemset
Contests
Favorites
Profile
Tools
Settings
Problemset
Contests
Favorites
Profile
Complexity
Stress
Graph
Templates
Crawler
Good Substrings
☆
save
CF
316G1
1700
· expert
4s
256 MB
⌨ stdin/stdout
#hashing
#strings
hide
Examples
Sample 1
of 3
Input
copy
aaab
2
aa 0 0
aab 1 1
Output
copy
3
Sample 2
of 3
Input
copy
ltntlnen
3
n 0 0
ttlneenl 1 4
lelllt 1 1
Output
copy
2
Sample 3
of 3
Input
copy
a
0
Output
copy
1
58%
316G1.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