[AtCoder] E - Sorting Queries|PSAtCoder|Problem Solving-Heap-Deque

E - Sorting Queries

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[AtCoder] D - Strange Lunchbox|PSAtCoder|Problem Solving-2D Knapsack

D - Strange Lunchbox

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[AtCoder] B - Ternary Strings|PSAtCoder|Problem Solving-Greedy

B - Ternary Strings

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[Codeforces] Round #436 (Div. 2) C. Bus|PSCodeforces|Problem Solving-Math-Greedy

Codeforces Round #436 (Div. 2) C. Bus

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[Codeforces] Round #436 (Div. 2) D. Make a Permutation!|PSCodeforces|Problem Solving-Greedy

Codeforces Round #436 (Div. 2) D. Make a Permutation!

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[Codeforces] Round #438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) C. Qualification Rounds|PSCodeforces|Problem Solving-Greedy-Bit Manipulation

Codeforces Round #438 by Sberbank and Barcelona Bootcamp (Div. 1 + Div. 2 combined) C. Qualification Rounds

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[Codeforces] Educational Round 30 B. Balanced Substring|PSCodeforces|Problem Solving-Dynamic Programming

Educational Codeforces Round 30 B. Balanced Substring

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[Codeforces] Round #441 (Div. 1, by Moscow Team Olympiad) B. Sorting the Coins|PSCodeforces|Problem Solving-Math-Two Pointer

Codeforces Round #441 (Div. 1, by Moscow Team Olympiad) B. Sorting the Coins

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[InterviewBit] Repeat and Missing Number Array|PSInterviewBit|Problem Solving-Hash Table

Repeat and Missing Number Array

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[InterviewBit] Merge Intervals|PSInterviewBit|Problem Solving-Array

Merge Intervals

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