X AlphA - Hard Algorithms

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Codechef Starters 157 (A-D) || Not-too-far Repl. || Small, Smaller || Unmedian || Normal is Good

Codechef Starters 157 (A-D) || Not-too-far Repl. || Small, Smaller || Unmedian || Normal is Good X AlphA - Hard Algorithms

124 views - 1 year ago

Difference Array Technique used in Competitive Programming || Multiple Range Updates in O(q + n)

Difference Array Technique used in Competitive Programming || Multiple Range Updates in O(q + n) X AlphA - Hard Algorithms

104 views - 1 year ago

B. Make Majority - Codeforces Round 958 (Div. 2)

B. Make Majority - Codeforces Round 958 (Div. 2) X AlphA - Hard Algorithms

300 views - 2 years ago

Amphibian Escape (Explanation) Codechef Starters 141

Amphibian Escape (Explanation) Codechef Starters 141 X AlphA - Hard Algorithms

37 views - 2 years ago

L2 - DFS Algorithm (Depth First Search) Dry run of recursive calls, Time and Space complexity, C++

L2 - DFS Algorithm (Depth First Search) Dry run of recursive calls, Time and Space complexity, C++ X AlphA - Hard Algorithms

171 views - 2 years ago

B. Substring and Subsequence - Educational Codeforces Round 167

B. Substring and Subsequence - Educational Codeforces Round 167 X AlphA - Hard Algorithms

1.2K views - 2 years ago

3187. Peaks in Array (Segment Tree Approach) Leetcode Weekly contest 402

3187. Peaks in Array (Segment Tree Approach) Leetcode Weekly contest 402 X AlphA - Hard Algorithms

65 views - 2 years ago

Distinct Substring - Codechef Starters 138

Distinct Substring - Codechef Starters 138 X AlphA - Hard Algorithms

86 views - 2 years ago

L1 - Graph Basics, Representation, Code for Reading Input and Making Adjacency List

L1 - Graph Basics, Representation, Code for Reading Input and Making Adjacency List X AlphA - Hard Algorithms

59 views - 2 years ago

Large Differences (Explanation) Codechef Starters 137

Large Differences (Explanation) Codechef Starters 137 X AlphA - Hard Algorithms

135 views - 2 years ago

Introduction to GRAPH Series - Everything you need to know

Introduction to GRAPH Series - Everything you need to know X AlphA - Hard Algorithms

33 views - 2 years ago

3171. Find Subarray With Bitwise AND Closest to K - Leetcode Weekly contest 400 (Hard)

3171. Find Subarray With Bitwise AND Closest to K - Leetcode Weekly contest 400 (Hard) X AlphA - Hard Algorithms

141 views - 2 years ago

3170. Lexicographically Minimum String After Removing Stars - Leetcode weekly contest 400

3170. Lexicographically Minimum String After Removing Stars - Leetcode weekly contest 400 X AlphA - Hard Algorithms

73 views - 2 years ago

Sum of Modes (Explanation) - Codechef Starters 136

Sum of Modes (Explanation) - Codechef Starters 136 X AlphA - Hard Algorithms

250 views - 2 years ago

Codeforces Round 947 (Div. 1 + Div. 2) A-C Explanation

Codeforces Round 947 (Div. 1 + Div. 2) A-C Explanation X AlphA - Hard Algorithms

939 views - 2 years ago

B. Symmetric Encoding (Explanation) - Codeforces Round 946 (Div. 3)

B. Symmetric Encoding (Explanation) - Codeforces Round 946 (Div. 3) X AlphA - Hard Algorithms

422 views - 2 years ago

A. Phone Desktop (Explanation) - Codeforces Round 946 (Div. 3)

A. Phone Desktop (Explanation) - Codeforces Round 946 (Div. 3) X AlphA - Hard Algorithms

857 views - 2 years ago

A- C (Explanation) Leetcode Weekly Contest 398

A- C (Explanation) Leetcode Weekly Contest 398 X AlphA - Hard Algorithms

13 views - 2 years ago

C. Cat, Fox and Double Maximum (Explanation) - Codeforces Round 945 (Div. 2)

C. Cat, Fox and Double Maximum (Explanation) - Codeforces Round 945 (Div. 2) X AlphA - Hard Algorithms

123 views - 2 years ago

A. Chess For Three (Explanation) - Codeforces Round 945 (Div. 2)

A. Chess For Three (Explanation) - Codeforces Round 945 (Div. 2) X AlphA - Hard Algorithms

1.7K views - 2 years ago

A - D Explanation (GFG Weekly contest 154)

A - D Explanation (GFG Weekly contest 154) X AlphA - Hard Algorithms

39 views - 2 years ago

3143. Maximum Points Inside the Square - Leetcode Biweekly Contest 130

3143. Maximum Points Inside the Square - Leetcode Biweekly Contest 130 X AlphA - Hard Algorithms

321 views - 2 years ago

A - D (Explanation) Codeforces Round 944 (Div. 4)

A - D (Explanation) Codeforces Round 944 (Div. 4) X AlphA - Hard Algorithms

79 views - 2 years ago

Taking Array input in C++ when size is not given

Taking Array input in C++ when size is not given X AlphA - Hard Algorithms

73 views - 2 years ago

Codechef Starters 132 Solutions (A - C) || Game 11 , ALIEN-OR , Optimal Flip

Codechef Starters 132 Solutions (A - C) || Game 11 , ALIEN-OR , Optimal Flip X AlphA - Hard Algorithms

231 views - 2 years ago

3132. Find the Integer Added to Array II - Bruteforce O(n^3) to Optimal O(nlogn) Weekly contest 395

3132. Find the Integer Added to Array II - Bruteforce O(n^3) to Optimal O(nlogn) Weekly contest 395 X AlphA - Hard Algorithms

59 views - 2 years ago

F. Minimum Maximum Distance (Graph Theory -1700) || Codeforces Round 903

F. Minimum Maximum Distance (Graph Theory -1700) || Codeforces Round 903 X AlphA - Hard Algorithms

186 views - 2 years ago

Segment Tree - (Episode-2) UPDATE, Time complexity of Update fxn || Advanced Data Structure

Segment Tree - (Episode-2) UPDATE, Time complexity of Update fxn || Advanced Data Structure X AlphA - Hard Algorithms

67 views - 2 years ago

Segment Tree - (Episode 1) INTRO, BUILD, Time Complexity of Build fxn || Advanced Data Structure

Segment Tree - (Episode 1) INTRO, BUILD, Time Complexity of Build fxn || Advanced Data Structure X AlphA - Hard Algorithms

154 views - 2 years ago

Superincreasing (Explanation) || Ad-hoc || Codechef Starters 127

Superincreasing (Explanation) || Ad-hoc || Codechef Starters 127 X AlphA - Hard Algorithms

687 views - 2 years ago

3092. Most Frequent IDs (Explanation) || SEGMENT TREE Approach || Leetcode Weekly contest 390

3092. Most Frequent IDs (Explanation) || SEGMENT TREE Approach || Leetcode Weekly contest 390 X AlphA - Hard Algorithms

33 views - 2 years ago

Freedom (Explanation) MATHS || Codechef Starters 126

Freedom (Explanation) MATHS || Codechef Starters 126 X AlphA - Hard Algorithms

170 views - 2 years ago

E. Binary Search (Explanation) || Codeforces Round 935 (Div. 3)

E. Binary Search (Explanation) || Codeforces Round 935 (Div. 3) X AlphA - Hard Algorithms

671 views - 2 years ago

D. Tandem Repeats? (Explanation) DP Approach || Educational Codeforces Round 163

D. Tandem Repeats? (Explanation) DP Approach || Educational Codeforces Round 163 X AlphA - Hard Algorithms

241 views - 2 years ago

A. Special Characters || B. Array Fix (Explanation) || Educational Codeforces Round 163

A. Special Characters || B. Array Fix (Explanation) || Educational Codeforces Round 163 X AlphA - Hard Algorithms

102 views - 2 years ago

Binary Minimal (Explanation) || Codechef Starters 125

Binary Minimal (Explanation) || Codechef Starters 125 X AlphA - Hard Algorithms

53 views - 2 years ago

E. Rudolf and k Bridges (Explanation) || Codeforces Round 933 (Div. 3)

E. Rudolf and k Bridges (Explanation) || Codeforces Round 933 (Div. 3) X AlphA - Hard Algorithms

668 views - 2 years ago

B. Binary Path (Explanation) Codeforces Round 930 (Div. 2)

B. Binary Path (Explanation) Codeforces Round 930 (Div. 2) X AlphA - Hard Algorithms

827 views - 2 years ago

E. Turtle vs. Rabbit Race: Optimal Trainings (Explanation) Codeforces Round 929 (Div.3)

E. Turtle vs. Rabbit Race: Optimal Trainings (Explanation) Codeforces Round 929 (Div.3) X AlphA - Hard Algorithms

93 views - 2 years ago

C. Find B (Explanation) Codeforces Educational Round 162

C. Find B (Explanation) Codeforces Educational Round 162 X AlphA - Hard Algorithms

647 views - 2 years ago

C. Timofey and a tree (Explanation) Codeforces (1600)

C. Timofey and a tree (Explanation) Codeforces (1600) X AlphA - Hard Algorithms

168 views - 2 years ago

Weekly Contest 385 (Leetcode) Upsolving

Weekly Contest 385 (Leetcode) Upsolving X AlphA - Hard Algorithms

86 views - 2 years ago

B. Sasha and the Drawing (Explanation) || Codeforces Round 926(div.2)

B. Sasha and the Drawing (Explanation) || Codeforces Round 926(div.2) X AlphA - Hard Algorithms

70 views - 2 years ago

Frequal (Explanation) || Codechef starters 121 (div.2)

Frequal (Explanation) || Codechef starters 121 (div.2) X AlphA - Hard Algorithms

42 views - 2 years ago

Caesar Cipher Lite (Explanation) ||Codechef starters 121 (div.2)

Caesar Cipher Lite (Explanation) ||Codechef starters 121 (div.2) X AlphA - Hard Algorithms

758 views - 2 years ago

F. Chat Screenshots (Explanation) || Codeforces Round 925 (Div. 3)

F. Chat Screenshots (Explanation) || Codeforces Round 925 (Div. 3) X AlphA - Hard Algorithms

88 views - 2 years ago

B. Make Equal (Explanation) || Codeforces Round 925 (Div. 3)

B. Make Equal (Explanation) || Codeforces Round 925 (Div. 3) X AlphA - Hard Algorithms

364 views - 2 years ago

C. Physical Education Lesson (Explanation) Codeforces Round 924 (Div. 2)

C. Physical Education Lesson (Explanation) Codeforces Round 924 (Div. 2) X AlphA - Hard Algorithms

113 views - 2 years ago

Rock-Paper-Scissors (Explanation) || Codechef Starters 114

Rock-Paper-Scissors (Explanation) || Codechef Starters 114 X AlphA - Hard Algorithms

585 views - 2 years ago

Christmas Candy (Explanation) || Starters 114 (Div.2) || Codechef

Christmas Candy (Explanation) || Starters 114 (Div.2) || Codechef X AlphA - Hard Algorithms

925 views - 2 years ago

2947. Count Beautiful Substrings I (Exaplanation) || Leetcode

2947. Count Beautiful Substrings I (Exaplanation) || Leetcode X AlphA - Hard Algorithms

96 views - 2 years ago

1980. Find Unique Binary String (Explanation) Leetcode

1980. Find Unique Binary String (Explanation) Leetcode X AlphA - Hard Algorithms

40 views - 2 years ago

Maximise Sum (Explanation) Codechef Starters 104

Maximise Sum (Explanation) Codechef Starters 104 X AlphA - Hard Algorithms

270 views - 2 years ago

1095. Find in Mountain Array (Explanation) || Leetcode(Hard)

1095. Find in Mountain Array (Explanation) || Leetcode(Hard) X AlphA - Hard Algorithms

32 views - 2 years ago

Dice Number (Explanation) || Codechef starters 103

Dice Number (Explanation) || Codechef starters 103 X AlphA - Hard Algorithms

84 views - 2 years ago

Divisible By 8 (Explanation) || Codechef Starters 103

Divisible By 8 (Explanation) || Codechef Starters 103 X AlphA - Hard Algorithms

2.2K views - 2 years ago

C. JoyBoard (Explanation) || Codeforces Round 902

C. JoyBoard (Explanation) || Codeforces Round 902 X AlphA - Hard Algorithms

201 views - 2 years ago

B. Helmets in Night Light (Explanation) || Codeforces Round 902

B. Helmets in Night Light (Explanation) || Codeforces Round 902 X AlphA - Hard Algorithms

1.8K views - 2 years ago

A. Goals of Victory (Explanation) || Codeforces Round 902

A. Goals of Victory (Explanation) || Codeforces Round 902 X AlphA - Hard Algorithms

237 views - 2 years ago

C. Card Game (Explanation) Codeforces Round 899 (Div. 2)

C. Card Game (Explanation) Codeforces Round 899 (Div. 2) X AlphA - Hard Algorithms

743 views - 2 years ago