[Hacker Earth] Clean the string|PSHacker Earth|Problem Solving-Greedy

Clean the string

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[Codeforces] VK Cup 2015 - Finals, online mirror D. Restructuring Company|PSCodeforces|Problem Solving-Binary Search-Union Find

VK Cup 2015 - Finals, online mirror D. Restructuring Company

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[Codeforces] Round 315 (Div. 1) B. Symmetric and Transitive|PSCodeforces|Problem Solving-Dynamic Programming-Math

Codeforces Round 315 (Div. 1) B. Symmetric and Transitive

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[Codeforces] Round 319 (Div. 2) B. Modulo Sum|PSCodeforces|Problem Solving-Dynamic Programming-0/1 Knapsack-Bit Manipulation

Codeforces Round 319 (Div. 2) B. Modulo Sum

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[Codeforces] Round 323 (Div. 1) B. Once Again...|PSCodeforces|Problem Solving-Dynamic Programming-Binary Search

Codeforces Round 323 (Div. 1) B. Once Again…

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[Codeforces] Testing Round 12 C. Subsequences|PSCodeforces|Segment Tree-Problem Solving-Dynamic Programming

Testing Round 12 C. Subsequences

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[LeetCode] Excel Sheet Column Title|PSLeetCode|Problem Solving

168. Excel Sheet Column Title

Given an integer columnNumber, return its corresponding column title as it appears in an Excel sheet.

For example:

1
2
3
4
5
6
7
8
A -> 1
B -> 2
C -> 3
...
Z -> 26
AA -> 27
AB -> 28 
...
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[Hacker Earth] Count MEX|PSHacker Earth|Sorting-Problem Solving-Combinatorics

Count MEX

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[Hacker Earth] Experiment in Berland|PSHacker Earth|Problem Solving-Union Find

Experiment in Berland

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[Hacker Earth] Alice in the Hills|PSHacker Earth|Sorting-Problem Solving-DFS

Alice in the Hills

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