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143 problems · filtered by 2 tags
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Rating
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1462E1
Close Tuples (easy version)
binary search
combinatorics
math
sortings
two pointers
+
1500
15.4k
1462E2
Close Tuples (hard version)
binary search
combinatorics
implementation
math
sortings
two pointers
+
1700
11.6k
1443E
Long Permutation
brute force
math
two pointers
+
2400
1.6k
1437F
Emotional Fishermen
combinatorics
dp
math
two pointers
+
2600
1.7k
1423K
Lonely Numbers
binary search
math
number theory
two pointers
+
1600
5.5k
1418F
Equal Product
data structures
math
number theory
two pointers
+
3000
518
1408C
Discrete Acceleration
binary search
dp
implementation
math
two pointers
+
1500
9.3k
1407C
Chocolate Bunny
constructive algorithms
interactive
math
two pointers
+
1600
15.3k
1400D
Zigzags
brute force
combinatorics
data structures
math
two pointers
+
1900
11.5k
1400G
Mercenaries
bitmasks
brute force
combinatorics
dp
dsu
math
two pointers
+
2600
1.2k
1380D
Berserk And Fireball
constructive algorithms
greedy
implementation
math
two pointers
+
2000
5.1k
1374D
Zero Remainder Array
math
sortings
two pointers
+
1400
32.3k
1369C
RationalLee
greedy
math
sortings
two pointers
+
1400
21.1k
1366B
Shuffle
math
two pointers
+
1300
29.3k
1355C
Count Triangles
binary search
implementation
math
two pointers
+
1800
12.3k
1336B
Xenia and Colorful Gems
binary search
greedy
math
sortings
two pointers
+
1700
12.3k
1333F
Kate and imperfection
greedy
implementation
math
number theory
sortings
two pointers
+
2200
4.6k
1266D
Decreasing Debts
constructive algorithms
data structures
graphs
greedy
implementation
math
two pointers
+
2000
3.9k
1265B
Beautiful Numbers
data structures
implementation
math
two pointers
+
1300
13.7k
1254B1
Send Boxes to Alice (Easy Version)
constructive algorithms
greedy
math
number theory
ternary search
two pointers
+
1800
5.1k
1254B2
Send Boxes to Alice (Hard Version)
constructive algorithms
greedy
math
number theory
ternary search
two pointers
+
2100
3.5k
1188B
Count Pairs
math
matrices
number theory
two pointers
+
2300
5.3k
1158A
The Party and Sweets
binary search
constructive algorithms
greedy
implementation
math
sortings
two pointers
+
1500
8.5k
1148E
Earth Wind and Fire
constructive algorithms
greedy
math
sortings
two pointers
+
2300
1.9k
1043D
Mysterious Crime
brute force
combinatorics
math
meet-in-the-middle
two pointers
+
1700
4.8k
1007A
Reorder the Array
combinatorics
data structures
math
sortings
two pointers
+
1300
13.2k
989D
A Shade of Moonlight
binary search
geometry
math
sortings
two pointers
+
2500
625
920C
Swap Adjacent Elements
dfs and similar
greedy
math
sortings
two pointers
+
1400
10.1k
912E
Prime Gift
binary search
dfs and similar
math
meet-in-the-middle
number theory
two pointers
+
2400
2.1k
895B
XK Segments
binary search
math
sortings
two pointers
+
1700
3.8k
846F
Random Query
data structures
math
probabilities
two pointers
+
1800
2.7k
830C
Bamboo Partition
brute force
data structures
implementation
math
number theory
sortings
two pointers
+
2300
1.3k
733E
Sleep in Class
constructive algorithms
data structures
math
two pointers
+
2400
1.1k
665F
Four Divisors
data structures
dp
math
number theory
sortings
two pointers
+
2400
836
484B
Maximum Value
binary search
math
sortings
two pointers
+
2100
7.8k
406E
Hamming Triples
implementation
math
two pointers
+
2800
365
371E
Subway Innovation
greedy
math
two pointers
+
2000
1.5k
359D
Pair of Numbers
binary search
brute force
data structures
math
two pointers
+
2000
5.9k
309A
Morning run
binary search
math
two pointers
+
2000
548
293D
Ksusha and Square
geometry
math
probabilities
two pointers
+
2700
287
165C
Another Problem on Strings
binary search
brute force
dp
math
strings
two pointers
+
1600
14k
86D
Powerful array
data structures
implementation
math
two pointers
+
2200
17.6k
78D
Archer's Shot
binary search
geometry
math
two pointers
+
2300
415
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