Problems Playground
Login
Min rating
Max rating
Tag
Reset
# Problem Tags Rating Solved
1166-F Vicky's Delivery Service
data structures dsu graphs +1
2400
1166-E The LCMs Must be Large
bitmasks brute force constructive algorithms +2
2100
1166-D Cute Sequences
binary search brute force greedy +1
2200
1166-C A Tale of Two Lands
binary search sortings two pointers
1500
1166-B All the Vowels Please
constructive algorithms math number theory
1100
1166-A Silent Classroom
combinatorics greedy
900
1165-F2 Microtransactions (hard version)
binary search greedy implementation
2000
1165-F1 Microtransactions (easy version)
binary search greedy
2000
1165-E Two Arrays and Sum of Functions
greedy math sortings
1600
1165-D Almost All Divisors
math number theory
1600
1165-C Good String
greedy
1300
1165-B Polycarp Training
data structures greedy sortings
1000
1165-A Remainder
implementation math
1100
1163-F Indecisive Taxi Fee
data structures graphs shortest paths
3000
1163-E Magical Permutation
bitmasks brute force constructive algorithms +3
2400
1163-D Mysterious Code
dp strings
2100
1163-C2 Power Transmission (Hard Edition)
data structures geometry implementation +1
1900
1163-C1 Power Transmission (Easy Edition)
brute force geometry
1900
1163-B2 Cat Party (Hard Edition)
data structures implementation
1600
1163-B1 Cat Party (Easy Edition)
data structures implementation
1500
1163-A Eating Soup
greedy math
900
1162-B Double Matrix
brute force greedy
1400
1162-A Zoning Restrictions Again
implementation
800
1160-A2 Collaboration
*special
1159-B Expansion coefficient of the array
implementation math
1300
1159-A A pile of stones
implementation math
800
1158-F Density of subarrays
dp math
3500
1158-E Strange device
binary search interactive math +1
3400
1158-D Winding polygonal line
constructive algorithms geometry greedy +1
2600
1158-C Permutation recovery
constructive algorithms data structures dfs and similar +4
2100
1158-B The minimal unique substring
constructive algorithms math strings
2200
1158-A The Party and Sweets
binary search constructive algorithms greedy +4
1500
1157-G Inverse of Rows and Columns
brute force constructive algorithms
2200
1157-F Maximum Balanced Circle
constructive algorithms dp greedy +1
2000
1157-E Minimum Array
binary search data structures greedy
1700
1157-D N Problems During K Days
constructive algorithms greedy math
1900
1157-C2 Increasing Subsequence (hard version)
greedy
1700
1157-C1 Increasing Subsequence (easy version)
greedy
1300
1157-B Long Number
greedy
1300
1157-A Reachable Numbers
implementation
1100
1156-G Optimizer
graphs greedy hashing +1
2700
1156-F Card Bag
dp math probabilities
2300
1156-E Special Segments of Permutation
data structures divide and conquer dsu +1
2200
1156-D 0-1-Tree
dfs and similar divide and conquer dp +2
2200
1156-C Match Points
binary search greedy sortings +2
2000
1156-B Ugly Pairs
dfs and similar greedy implementation +2
1800
1156-A Inscribed Figures
geometry
1400
1155-F Delivery Oligopoly
brute force dp graphs
2800
1155-E Guess the Root
brute force interactive math
2200
1155-D Beautiful Array
brute force data structures divide and conquer +2
1900