dp
graphs
greedy
data structures
probabilities
brute force
math
binary search
dfs and similar
number theory
sorting
combinatorics
bitmasks
geometry
strings
hashing
matrices
divide and conquer
trees
implementation
two pointers
ternary search
flows
graph matchings
games
expression parsing
shortest paths

Null

Solved : 79

specialist

S.No Problem Name Rating Status
1 Treasure Hunt 800 -
2 Draw a Square 800 -
3 New World, New Me, New Array 800 -
4 Skibidus and Amog'u 800 -
5 Line Breaks 800 -
6 MEX Destruction 800 -
7 Kevin and Combination Lock 800 -
8 Alyona and a Square Jigsaw Puzzle 800 -
9 Normal Problem 800 -
10 Fixing the Expression 800 -
11 Waiting for... 800 -
12 Intercepted Inputs 800 -
13 Twice 800 -
14 Quintomania 800 -
15 Sliding 800 -
16 Sakurako and Kosuke 800 -
17 Circuit 800 -
18 Rectangle Arrangement 800 -
19 Bus to PĂ©njamo 800 -
20 Robin Helps 800 -
21 Three Brothers 800 -
22 Alternating Sum of Numbers 800 -
23 osu!mania 800 -
24 Closest Point 800 -
25 Distanced Coloring 800 -
26 Make All Equal 800 -
27 Primary Task 800 -
28 Showering 800 -
29 A+B Again? 800 -
30 Find K Distinct Points with Fixed Center 800 -
31 Strong Password 800 -
32 Scale 800 -
33 Diagonals 800 -
34 Diverse Game 800 -
35 Question Marks 800 -
36 Maximize the Last Element 800 -
37 Catch the Coin 800 -
38 Creating Words 800 -
39 Soccer 800 -
40 Guess the Maximum 800 -
41 Verify Password 800 -
42 Bazoka and Mocha's Array 800 -
43 Symmetric Encoding 800 -
44 Different String 800 -
45 My First Sorting Problem 800 -
46 Two Friends 800 -
47 Clock Conversion 800 -
48 Upscaling 800 -
49 Stair, Peak, or Neither? 800 -
50 Median of an Array 800 -
51 Shuffle Party 800 -
52 Turtle Math: Fast Three Task 800 -
53 Thorns and Coins 800 -
54 Vlad and Shapes 800 -
55 Vlad and the Best of Five 800 -
56 Moving Chips 800 -
57 Tricky Template 800 -
58 Arranging Cats 800 -
59 Brick Wall 800 -
60 2023 800 -
61 Can I Square? 800 -
62 Not Quite Latin Square 800 -
63 Odd One Out 800 -
64 Problemsolving Log 800 -
65 Rating Increase 800 -
66 Distinct Buttons 800 -
67 Rook 800 -
68 Cover in Water 800 -
69 Milica and String 800 -
70 Secret Sport 800 -
71 Qingshan Loves Strings 800 -
72 1D Eraser 800 -
73 Target Practice 800 -
74 Short Sort 800 -
75 Increasing and Decreasing 800 -
76 Channel 800 -
77 Gift Carpet 800 -
78 Tales of a Sort 800 -
79 Word on the Paper 800 -
80 Ten Words of Wisdom 800 -
81 To My Critics 800 -
82 Morning Sandwich 800 -
83 Rudolph and Tic-Tac-Toe 800 -
84 Rudolph and Cut the Rope 800 -
85 Forbidden Integer 800 -
86 Cipher Shifer 800 -
87 The Good Array 800 -
88 Destroyer 800 -
89 Musical Puzzle 800 -
90 Mr. Perfectly Fine 800 -
91 Blank Space 800 -
92 Love Story 800 -
93 TubeTube Feed 800 -
94 Yura's New Name 800 -
95 Politics 800 -
96 Coins 800 -
97 Garland 800 -
98 Find and Replace 800 -
99 Plus or Minus 800 -
100 Likes 800 -