Problems Playground
Login
Min rating
Max rating
Tag
Reset
# Problem Tags Rating Solved
1666-C Connect the Points
brute force constructive algorithms geometry
1800
1666-B Budget Distribution
3300
1666-A Admissible Map
3300
1665-E MinimizOR
bitmasks brute force data structures +4
2500
1665-D GCD Guess
bitmasks chinese remainder theorem constructive algorithms +4
2000
1665-C Tree Infection
binary search greedy sortings +1
1600
1665-B Array Cloning Technique
constructive algorithms greedy sortings
900
1665-A GCD vs LCM
constructive algorithms math
800
1663-H Cross-Language Program
*special constructive algorithms
1663-G Six Characters
*special constructive algorithms strings
1663-F In Every Generation...
*special strings
1663-E Are You Safe?
*special implementation
1663-D Is it rated - 3
*special combinatorics dp +1
1663-C Pōja Verdon
*special implementation math
1663-B Mike's Sequence
*special divide and conquer implementation +1
1663-A Who Tested?
*special expression parsing trees
1662-O Circular Maze
brute force dfs and similar graphs +1
1662-N Drone Photo
combinatorics math sortings
1662-M Bottle Arrangements
constructive algorithms
1662-L Il Derby della Madonnina
data structures dp math
1662-K Pandemic Restrictions
geometry ternary search
1662-J Training Camp
flows graphs
1662-I Ice Cream Shop
brute force implementation sortings
1662-H Boundary
brute force math
1662-G Gastronomic Event
dp greedy trees
1662-F Antennas
data structures dfs and similar graphs +2
1662-E Round Table
math
1662-D Evolution of Weasels
greedy implementation strings
1662-C European Trip
dp graphs math +1
1662-B Toys
greedy strings
1662-A Organizing SWERC
brute force implementation
1661-F Teleporters
binary search greedy
2600
1661-E Narrow Components
brute force data structures dp +3
2500
1661-D Progressions Covering
data structures greedy
1900
1661-C Water the Trees
binary search greedy math
1700
1661-B Getting Zero
bitmasks brute force dfs and similar +4
1300
1661-A Array Balancing
greedy math
800
1660-F2 Promising String (hard version)
data structures implementation math +1
2100
1660-F1 Promising String (easy version)
brute force implementation math +1
1700
1660-E Matrix and Shifts
brute force constructive algorithms greedy +1
1600
1660-D Maximum Product Strikes Back
brute force implementation math +1
1600
1660-C Get an Even String
dp greedy strings
1300
1660-B Vlad and Candies
math
800
1660-A Vasya and Coins
greedy math
800
1659-F Tree and Permutation Game
dfs and similar games graphs +1
3000
1659-E AND-MEX Walk
bitmasks brute force constructive algorithms +3
2200
1659-D Reverse Sort Sum
constructive algorithms data structures greedy +3
1900
1659-C Line Empire
binary search brute force dp +3
1500
1659-B Bit Flipping
bitmasks constructive algorithms greedy +1
1300
1659-A Red Versus Blue
constructive algorithms greedy implementation +1
1000