Enter
|
Register
Home
Top
Contests
Gym
Problemset
Groups
Rating
Edu
API
Calendar
Help
→ Pay attention
Before contest
Codeforces Round #696 (Div. 2)
3 days
→ Filter Problems
Difficulty:
—
constructive algorithms
combine-tags-by-or
*combine tags by OR
2-sat
binary search
bitmasks
brute force
chinese remainder theorem
combinatorics
constructive algorithms
data structures
dfs and similar
divide and conquer
dp
dsu
expression parsing
fft
flows
games
geometry
graph matchings
graphs
greedy
hashing
implementation
interactive
math
matrices
meet-in-the-middle
number theory
probabilities
schedules
shortest paths
sortings
string suffix structures
strings
ternary search
trees
two pointers
Add tag
Main
acmsguru
|
Problems
Submit
Status
Standings
Custom test
Problems
#
Name
266B
Queue at the School
constructive algorithms
,
graph matchings
,
implementation
,
shortest paths
800
x55428
148A
Insomnia cure
constructive algorithms
,
implementation
,
math
800
x40318
443A
Anton and Letters
constructive algorithms
,
implementation
800
x37772
732A
Buy a Shovel
brute force
,
constructive algorithms
,
implementation
,
math
800
x29635
1343B
Balanced Array
constructive algorithms
,
math
800
x29204
1353A
Most Unstable Array
constructive algorithms
,
greedy
,
math
800
x25434
1337A
Ichihime and Triangle
constructive algorithms
,
math
800
x23008
1454A
Special Permutation
constructive algorithms
,
probabilities
800
x22724
1372A
Omkar and Completion
constructive algorithms
,
implementation
800
x22651
1325A
EhAb AnD gCd
constructive algorithms
,
greedy
,
number theory
800
x22118
1389A
LCM Problem
constructive algorithms
,
greedy
,
math
,
number theory
800
x22117
1400A
String Similarity
constructive algorithms
,
strings
800
x20742
1196A
Three Piles of Candies
brute force
,
constructive algorithms
,
math
800
x20314
1391A
Suborrays
constructive algorithms
,
math
800
x19681
686A
Free Ice Cream
constructive algorithms
,
implementation
800
x18434
1405A
Permutation Forgery
constructive algorithms
800
x17585
513A
Game
constructive algorithms
,
math
800
x15656
1437A
Marketing Scheme
brute force
,
constructive algorithms
,
greedy
,
math
800
x14548
1438A
Specific Tastes of Andre
constructive algorithms
,
implementation
800
x14531
1461A
String Generation
constructive algorithms
,
greedy
800
x14325
1450A
Avoid Trygub
constructive algorithms
,
sortings
800
x13285
1443A
Kids Seating
constructive algorithms
,
math
800
x13059
1104A
Splitting into digits
constructive algorithms
,
implementation
,
math
800
x12891
1088A
Ehab and another construction problem
brute force
,
constructive algorithms
800
x12383
1413A
Finding Sasuke
constructive algorithms
,
math
800
x11752
1305A
Kuroni and the Gifts
brute force
,
constructive algorithms
,
greedy
,
sortings
800
x11694
595A
Vitaly and Night
constructive algorithms
,
implementation
800
x11563
1408A
Circle Coloring
constructive algorithms
800
x10759
676A
Nicholas and Permutation
constructive algorithms
,
implementation
800
x10739
1447A
Add Candies
constructive algorithms
,
math
800
x10595
854A
Fraction
brute force
,
constructive algorithms
,
math
800
x10549
361A
Levko and Table
constructive algorithms
,
implementation
800
x10135
680A
Bear and Five Cards
constructive algorithms
,
implementation
800
x9940
629A
Far Relative’s Birthday Cake
brute force
,
combinatorics
,
constructive algorithms
,
implementation
800
x9402
1081A
Definite Game
constructive algorithms
,
math
800
x8880
932A
Palindromic Supersequence
constructive algorithms
800
x8430
899A
Splitting in Teams
constructive algorithms
,
greedy
,
math
800
x8067
421A
Pasha and Hamsters
constructive algorithms
,
implementation
800
x3836
1335B
Construct the String
constructive algorithms
900
x24448
1401A
Distance and Axis
constructive algorithms
,
math
900
x19539
1433C
Dominant Piranha
constructive algorithms
,
greedy
900
x17235
1467A
Wizard of Orz
constructive algorithms
,
greedy
,
math
900
x15165
1430A
Number of Apartments
brute force
,
constructive algorithms
,
math
900
x14375
768A
Oath of the Night's Watch
constructive algorithms
,
sortings
900
x14249
1436B
Prime Square
constructive algorithms
,
math
900
x13984
199A
Hexadecimal's theorem
brute force
,
constructive algorithms
,
implementation
,
number theory
900
x12167
670A
Holidays
brute force
,
constructive algorithms
,
greedy
,
math
900
x11923
1093B
Letters Rearranging
constructive algorithms
,
greedy
,
sortings
,
strings
900
x11149
764B
Timofey and cubes
constructive algorithms
,
implementation
900
x9082
814A
An abandoned sentiment from past
constructive algorithms
,
greedy
,
implementation
,
sortings
900
x8437
801B
Valued Keys
constructive algorithms
,
greedy
,
strings
900
x7420
246A
Buggy Sorting
constructive algorithms
,
greedy
,
sortings
900
x6612
11A
Increasing Sequence
constructive algorithms
,
implementation
,
math
900
x6174
1326A
Bad Ugly Numbers
constructive algorithms
,
number theory
1000
x18935
1333A
Little Artem
constructive algorithms
1000
x18594
688B
Lovely Palindromes
constructive algorithms
,
math
1000
x17248
766B
Mahmoud and a Triangle
constructive algorithms
,
geometry
,
greedy
,
math
,
number theory
,
sortings
1000
x16710
1312B
Bogosort
constructive algorithms
,
sortings
1000
x16269
118B
Present from Lena
constructive algorithms
,
implementation
1000
x15880
766A
Mahmoud and Longest Uncommon Subsequence
constructive algorithms
,
strings
1000
x15669
1469A
Regular Bracket Sequence
constructive algorithms
,
greedy
1000
x15470
1405B
Array Cancellation
constructive algorithms
,
implementation
1000
x14768
680B
Bear and Finding Criminals
constructive algorithms
,
implementation
1000
x14082
1419D1
Sage's Birthday (easy version)
binary search
,
constructive algorithms
,
greedy
,
sortings
1000
x13760
798A
Mike and palindrome
brute force
,
constructive algorithms
,
strings
1000
x13247
1430C
Numbers on Whiteboard
constructive algorithms
,
data structures
,
greedy
,
implementation
,
math
1000
x12440
672B
Different is Good
constructive algorithms
,
implementation
,
strings
1000
x12049
1174A
Ehab Fails to Be Thanos
constructive algorithms
,
greedy
,
sortings
1000
x11890
804A
Find Amir
constructive algorithms
,
greedy
,
math
1000
x11806
761A
Dasha and Stairs
brute force
,
constructive algorithms
,
implementation
,
math
1000
x11447
1438B
Valerii Against Everyone
constructive algorithms
,
data structures
,
greedy
,
sortings
1000
x11413
1265A
Beautiful String
constructive algorithms
,
greedy
1000
x10996
805B
3-palindrome
constructive algorithms
1000
x10836
1144C
Two Shuffled Sequences
constructive algorithms
,
sortings
1000
x10614
1266B
Dice Tower
constructive algorithms
,
math
1000
x9849
1136B
Nastya Is Playing Computer Games
constructive algorithms
,
math
1000
x9365
777A
Shell Game
constructive algorithms
,
implementation
,
math
1000
x7930
779A
Pupils Redistribution
constructive algorithms
,
math
1000
x7692
998A
Balloons
constructive algorithms
,
implementation
1000
x7377
359A
Table
constructive algorithms
,
greedy
,
implementation
1000
x5942
637A
Voting for Photos
*special problem
,
constructive algorithms
,
implementation
1000
x4157
644A
Parliament of Berland
*special problem
,
constructive algorithms
1000
x3772
491A
Up the hill
constructive algorithms
,
implementation
1000
x1492
467B
Fedor and New Game
bitmasks
,
brute force
,
constructive algorithms
,
implementation
1100
x20456
1360C
Similar Pairs
constructive algorithms
,
graph matchings
,
greedy
,
sortings
1100
x20428
1342B
Binary Period
constructive algorithms
,
strings
1100
x18075
1370B
GCD Compression
constructive algorithms
,
math
,
number theory
1100
x17090
1401B
Ternary Sequence
constructive algorithms
,
greedy
,
math
1100
x16325
1407A
Ahahahahahahahaha
constructive algorithms
,
math
1100
x14878
1375A
Sign Flipping
constructive algorithms
,
math
1100
x14637
1304B
Longest Palindrome
brute force
,
constructive algorithms
,
greedy
,
implementation
,
strings
1100
x13439
1395B
Boboniu Plays Chess
constructive algorithms
1100
x13304
1455C
Ping-pong
constructive algorithms
,
games
,
math
1100
x13257
1426C
Increase and Copy
binary search
,
constructive algorithms
,
math
1100
x12406
682A
Alyona and Numbers
constructive algorithms
,
math
,
number theory
1100
x12241
300A
Array
brute force
,
constructive algorithms
,
implementation
1100
x12141
1421B
Putting Bricks in the Wall
constructive algorithms
,
implementation
1100
x9831
1038B
Non-Coprime Partition
constructive algorithms
,
math
1100
x9533
534A
Exam
constructive algorithms
,
implementation
,
math
1100
x9320
1221B
Knights
constructive algorithms
,
greedy
1100
x9114
←
1
2
3
...
9
10
→
User lists
Name