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Problemset
33 problems · filtered by 3 tags
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Name
✎
Rating
↕
Solved
↕
2174F
Mosaic Tree
combinatorics
dp
fft
math
trees
+
2800
508
2169F
Subsequence Problem
combinatorics
dp
fft
math
+
2700
353
2145G
Cost of Coloring
combinatorics
divide and conquer
dp
fft
math
+
2900
642
2096H
Wonderful XOR Problem
bitmasks
combinatorics
dp
fft
math
+
3200
235
2077C
Binary Subsequence Value Sum
combinatorics
data structures
dp
fft
math
matrices
+
2300
2.4k
2025E
Card Game
combinatorics
dp
fft
greedy
math
+
2200
2.4k
1988F
Heartbeat
combinatorics
dp
fft
math
+
3000
481
1967E1
Again Counting Arrays (Easy Version)
combinatorics
dp
fft
math
+
3100
449
1909I
Short Permutation Problem
combinatorics
dp
fft
math
+
1900
183
1821F
Timber
combinatorics
dp
fft
math
+
2600
1k
1792F2
Graph Coloring (hard version)
brute force
combinatorics
divide and conquer
dp
fft
graphs
+
2900
558
1773G
Game of Questions
bitmasks
combinatorics
dp
fft
math
probabilities
+
2800
560
1731F
Function Sum
brute force
combinatorics
dp
fft
math
+
2500
924
1704H1
Game of AI (easy version)
combinatorics
constructive algorithms
dp
fft
math
+
3200
346
1671F
Permutation Counting
brute force
combinatorics
dp
fft
math
+
2700
514
1667E
Centroid Probabilities
combinatorics
dp
fft
math
+
3000
938
1654H
Three Minimums
combinatorics
constructive algorithms
divide and conquer
dp
fft
math
+
3500
108
1574F
Occurrences
combinatorics
dfs and similar
dp
dsu
fft
graphs
+
2700
786
1559E
Mocha and Stars
combinatorics
dp
fft
math
number theory
+
2200
2.8k
1553I
Stairs
combinatorics
divide and conquer
dp
fft
math
+
3400
369
1548C
The Three Little Pigs
combinatorics
dp
fft
math
+
2500
2.1k
1542E1
Abnormal Permutation Pairs (easy version)
combinatorics
dp
fft
math
+
2400
1.5k
1542E2
Abnormal Permutation Pairs (hard version)
combinatorics
dp
fft
math
+
2700
1.1k
1487G
String Counting
combinatorics
dp
fft
math
+
2700
745
1473G
Tiles
combinatorics
dp
fft
math
+
2800
499
1439D
INOI Final Contests
combinatorics
dp
fft
+
3100
564
1408G
Clusterization Counting
combinatorics
dp
dsu
fft
graphs
trees
+
2700
1.4k
981H
K Paths
combinatorics
data structures
dp
fft
math
+
3100
453
960G
Bandit Blues
combinatorics
dp
fft
math
+
2900
1.3k
848E
Days of Floral Colours
combinatorics
divide and conquer
dp
fft
math
+
3400
283
773F
Test Data Generation
combinatorics
divide and conquer
dp
fft
math
number theory
+
3400
281
755G
PolandBall and Many Other Balls
combinatorics
divide and conquer
dp
fft
math
number theory
+
3200
1.1k
623E
Transforming Sequence
combinatorics
dp
fft
math
+
3300
715
showing 1–33 of 33