[Hacker Earth] Two types of queries|PSHacker Earth|Problem Solving-Union Find

Two types of queries

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[Hacker Earth] Maximum beauty subsequences|PSHacker Earth|Problem Solving-Dynamic Programming

Maximum beauty subsequences

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[Codeforces] Round 750 (Div. 2) E. Pchelyonok and Segments|PSCodeforces|Problem Solving-Dynamic Programming-Binary Search

Codeforces Round 750 (Div. 2) E. Pchelyonok and Segments

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[Codeforces] Technocup 2022 - Elimination Round 2 D. Guess the Permutation|PSCodeforces|Problem Solving-Binary Search

Technocup 2022 - Elimination Round 2 D. Guess the Permutation

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[Codeforces] Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) C. Bubble Strike|PSCodeforces|Problem Solving-Math-Binary Search

Bubble Cup 14 - Finals Online Mirror (Unrated, ICPC Rules, Teams Preferred, Div. 1) C. Bubble Strike

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[Codeforces] Global Round 17 D. Not Quite Lee|PSCodeforces|Problem Solving-Combinatorics

Codeforces Global Round 17 D. Not Quite Lee

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[Codeforces] Educational Round 117 (Rated for Div. 2) E. Messages|PSCodeforces|Sorting-Problem Solving-Math

Educational Codeforces Round 117 (Rated for Div. 2) E. Messages

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[Hacker Earth] A sorted string|PSHacker Earth|Fenwick Tree-Problem Solving

A sorted string

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[Hacker Earth] Arrays and sums|PSHacker Earth|Sorting-Problem Solving-0/1 Knapsack-Math

Arrays and sums

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[Hacker Earth] Unsafe elements in a matrix|PSHacker Earth|Problem Solving-Greedy

Unsafe elements in a matrix

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