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Update index.md (#27169)

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eliminated the unnecessary extra space before two colons.
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codexmon
2019-01-14 17:22:28 -08:00
committed by Tom
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title: Greedy Algorithms
---
## What is a Greedy Algorithm
You must have heard about a lot of algorithmic design techniques while sifting through some of the articles here. Some of them are :
You must have heard about a lot of algorithmic design techniques while sifting through some of the articles here. Some of them are:
* Brute Force
* Divide and Conquer
* Greedy Programming
@ -26,7 +26,7 @@ Analyzing the run time for greedy algorithms will generally be much easier than
## Interval Scheduling Problem
Let's dive into an interesting problem that you can encounter in almost any industry or any walk of life. Some instances of the problem are as follows :
Let's dive into an interesting problem that you can encounter in almost any industry or any walk of life. Some instances of the problem are as follows:
* You are given a set of N schedules of lectures for a single day at a university. The schedule for a specific lecture is of the form (s_time, f_time) where s_time represents the start time for that lecture and similarly the f_time represents the finishing time. Given a list of N lecture schedules, we need to select maximum set of lectures to be held out during the day such that **none of the lectures overlap with one another i.e. if lecture Li and Lj are included in our selection then the start time of j >= finish time of i or vice versa**.