Problems
Delete a letter#8985
Very easy · Implementation
Delete a fragment#8986
Very easy · Strings
Character replacement#8987
Very easy · Implementation
Character replacement 2#8988
Very easy · Strings
Doubling of a character#8989
Very easy · Implementation
Vowels doubling#8990
Very easy · Implementation
Characters doubling#8991
Very easy · Implementation
Without repetitions 3#8992
Very easy · Implementation
Compose a word#8993
Very easy · Strings · For Beginners
Make a word 2#8994
Very easy · Strings
Fashion Symbols#8995
Very easy · Implementation
Without repetition 4#8996
Very easy · Implementation
Fashion Symbols 2#8997
Very easy · Implementation
The youngest symbol#8998
Very easy · Implementation
Senior symbol#8999
Very easy · Sorting
Ordering#9000
Very easy · Sorting
Big product#9001
Very easy · Math
Chocolate lover#9002
Very easy · Greedy algorithms
Ancient Azerbaijan#9003
Very easy · Graphs
Simple sum#9004
Easy · Prefix Sums
Universal numbers#9005
Easy · Math · Binary Search · Dynamic programming
Cross the river#9006
Medium · Graphs
Absolute distinct count#9007
Easy · Implementation
Replacement#9008
Medium · Implementation · Graphs
Nadan#9009
Easy · Greedy algorithms · Math