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Greedy Algorithms: PowerPoint PPT Presentation

Greedy Algorithms: - The problem is to pack the knapsack with these objects in order to maximize the total value of those objects packed without exceeding the knapsack s capacity.

The problem is to pack the knapsack with these objects in order to maximize the total value of those objects packed without exceeding the knapsack s capacity.

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Greedy Algorithms - CHAPTER 7 Greedy Algorithms Algorithm 7.1.1 Greedy Coin Changing Algorithm 7.2.4 Kruskal s Algorithm Algorithm 7.3.4 Prim s Algorithm Algorithm 7.4.4 Dijkstra s ...

CHAPTER 7 Greedy Algorithms Algorithm 7.1.1 Greedy Coin Changing Algorithm 7.2.4 Kruskal s Algorithm Algorithm 7.3.4 Prim s Algorithm Algorithm 7.4.4 Dijkstra s ...

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Greedy - Title: No Slide Title Author: Giampiero Pecelli Last modified by: Giampiero Pecelli Created Date: 8/16/2010 4:03:15 PM Document presentation format

Title: No Slide Title Author: Giampiero Pecelli Last modified by: Giampiero Pecelli Created Date: 8/16/2010 4:03:15 PM Document presentation format

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Greedy 2 - Spanning tree T: A tree that includes all nodes from V. T = (V, E'), where E' E ... All spanning trees have same weight. Algorithmique Greedy 2. Jose Rolim. 6 ...

Spanning tree T: A tree that includes all nodes from V. T = (V, E'), where E' E ... All spanning trees have same weight. Algorithmique Greedy 2. Jose Rolim. 6 ...

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Greedy Algorithms - Greedy Algorithms make decisions greedily , previous decisions are never reconsidered Optimization problems

Greedy Algorithms make decisions greedily , previous decisions are never reconsidered Optimization problems

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Greedy technique PowerPoint PPT Presentation

Greedy technique - LECTURE 10: Greedy technique Algorithmics - Lecture 10 * * * * * * * * * * * Algorithmics - Lecture 10 * Activities selection problem // each element a[i] contains ...

LECTURE 10: Greedy technique Algorithmics - Lecture 10 * * * * * * * * * * * Algorithmics - Lecture 10 * Activities selection problem // each element a[i] contains ...

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Algoritma Greedy PowerPoint PPT Presentation

Algoritma Greedy - Algoritma Greedy A greedy Algorithm 1. Make a set with all types of coins 2. Choose the largest coin in set 3. If this coin will take the solution total over the ...

Algoritma Greedy A greedy Algorithm 1. Make a set with all types of coins 2. Choose the largest coin in set 3. If this coin will take the solution total over the ...

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Greedy Algorithms - Title: No Slide Title Author: ananda guna Last modified by: Administrator Created Date: 8/26/2000 8:39:18 PM Document presentation format: On-screen Show

Title: No Slide Title Author: ananda guna Last modified by: Administrator Created Date: 8/26/2000 8:39:18 PM Document presentation format: On-screen Show

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Greedy Algorithm PowerPoint PPT Presentation

Greedy Algorithm - Greedy Algorithm 5.1 Elements of Greedy Algorithms 5.2 An activity-selection problem 5.3 Huffman codes 5.4 Minimal ...

Greedy Algorithm 5.1 Elements of Greedy Algorithms 5.2 An activity-selection problem 5.3 Huffman codes 5.4 Minimal ...

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Dash the Greedy Puppy PowerPoint PPT Presentation

Dash the Greedy Puppy - Dash the Greedy Puppy By Katelyn Borg Grade 5 alpha Last weekend, Hania and Ethan decided to go out to play. Mum told them that they should go on a picnic since the ...

Dash the Greedy Puppy By Katelyn Borg Grade 5 alpha Last weekend, Hania and Ethan decided to go out to play. Mum told them that they should go on a picnic since the ...

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Greedy - contain only the first one. while (the instance is not solved) { // selelction procedure and feasibility check. select a vertex in V Y that is nearest to Y; ...

contain only the first one. while (the instance is not solved) { // selelction procedure and feasibility check. select a vertex in V Y that is nearest to Y; ...

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Greedy - Greedy. By: Alex Swank. Purpose. To show that a warm sunny beach is not the only ... Critique other aspects of the ad rather than the alcohol. Audience ...

Greedy. By: Alex Swank. Purpose. To show that a warm sunny beach is not the only ... Critique other aspects of the ad rather than the alcohol. Audience ...

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Greedy Algorithms - Greedy Algorithms Dr. Yingwu Zhu

Greedy Algorithms Dr. Yingwu Zhu

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Greedy - What is the substructure? Substructure: suppose a solution to Sij ... Optimal Substructure: assume Aij is an optimal solution to Sij, containing an activity ak. ...

What is the substructure? Substructure: suppose a solution to Sij ... Optimal Substructure: assume Aij is an optimal solution to Sij, containing an activity ak. ...

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Greedy Algorithms: - A greedy algorithm always makes the choice that looks best at the moment. It makes a local optimal choice in the hope that this choice will lead to a globally optimal ...

A greedy algorithm always makes the choice that looks best at the moment. It makes a local optimal choice in the hope that this choice will lead to a globally optimal ...

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Greedy Algorithms - Title: PowerPoint Presentation Author: Dr. Lang Last modified by: Lee Created Date: 1/16/2001 6:12:54 AM Document presentation format: On-screen Show

Title: PowerPoint Presentation Author: Dr. Lang Last modified by: Lee Created Date: 1/16/2001 6:12:54 AM Document presentation format: On-screen Show

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???? ??(Greedy Approach) PowerPoint PPT Presentation

???? ??(Greedy Approach) - (Greedy Approach) * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Dijkstra Prim ...

(Greedy Approach) * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Dijkstra Prim ...

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Algoritma Greedy - Algoritma Greedy Teknik Informatika Universitas Ahmad Dahlan 4. Fractional Knapsack Penyelesaian dengan exhaustive search Oleh karena 0 xi 1, maka ...

Algoritma Greedy Teknik Informatika Universitas Ahmad Dahlan 4. Fractional Knapsack Penyelesaian dengan exhaustive search Oleh karena 0 xi 1, maka ...

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Greedy Algorithms - CS 498 SS. Saurabh Sinha. A greedy approach to the motif finding problem ... Greedy Motif Search. Find two closest l-mers in sequences 1 and 2 and form ...

CS 498 SS. Saurabh Sinha. A greedy approach to the motif finding problem ... Greedy Motif Search. Find two closest l-mers in sequences 1 and 2 and form ...

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Greedy Algorithms - Greedy Algorithms A short list of categories Algorithm types we will consider include: Simple recursive algorithms Backtracking algorithms Divide and conquer ...

Greedy Algorithms A short list of categories Algorithm types we will consider include: Simple recursive algorithms Backtracking algorithms Divide and conquer ...

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Greedy%20Algorithms PowerPoint PPT Presentation

Greedy%20Algorithms - Initial Conditions. Make Progress. Maintain Loop Inv. Define Exit Condition. Define Step ... As Time Goes On. 25. 25. 25. 25. 25. 25. 25. 25. 25. 25 ...

Initial Conditions. Make Progress. Maintain Loop Inv. Define Exit Condition. Define Step ... As Time Goes On. 25. 25. 25. 25. 25. 25. 25. 25. 25. 25 ...

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Greedy Algorithms and Matroids PowerPoint PPT Presentation

Greedy Algorithms and Matroids - Greedy Algorithms and Matroids Andreas Klappenecker * Giving Change Coin Changing Suppose we have n types of coins with values v[1] v[2] v[n] 0 Given an ...

Greedy Algorithms and Matroids Andreas Klappenecker * Giving Change Coin Changing Suppose we have n types of coins with values v[1] v[2] v[n] 0 Given an ...

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Greedy Algorithms - For US money, the greedy algorithm always gives the optimum solution. 4 ... An optimum solution. This solution is clearly optimal (why? ...

For US money, the greedy algorithm always gives the optimum solution. 4 ... An optimum solution. This solution is clearly optimal (why? ...

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Greedy Algorithms - Both problems exhibit the optimal-substructure property: ... Substructure: Activity-Selection Problem. Dynamic Programming Solution (Step 1) ...

Both problems exhibit the optimal-substructure property: ... Substructure: Activity-Selection Problem. Dynamic Programming Solution (Step 1) ...

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Greedy Algorithms - Title: Slide 1 Author: Ralph Tindell Last modified by: Tindell, Ralph Created Date: 4/13/2003 2:26:35 PM Document presentation format: On-screen Show (4:3)

Title: Slide 1 Author: Ralph Tindell Last modified by: Tindell, Ralph Created Date: 4/13/2003 2:26:35 PM Document presentation format: On-screen Show (4:3)

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Greedy Algorithms - Correctness of Dijkstra's Algorithm ... As with Dijkstra's algorithm, the key issue is determining which vertex is next closest. ...

Correctness of Dijkstra's Algorithm ... As with Dijkstra's algorithm, the key issue is determining which vertex is next closest. ...

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Greedy Algorithms - Let kdiff be the largest value of k s.t. Gk != Sk. Claim 1: Gkdiff = Skdiff. Why? ... These three claims imply kdiff does not exist and Gk is optimal. ...

Let kdiff be the largest value of k s.t. Gk != Sk. Claim 1: Gkdiff = Skdiff. Why? ... These three claims imply kdiff does not exist and Gk is optimal. ...

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Greedy Algorithm - Key point: Greed makes a locally optimal choice in the hope that ... Example: (Brassard/Bratley) 4 matrices, d = (13, 5, 89, 3, 34) S = 1: a12 =5785. a23=1335 ...

Key point: Greed makes a locally optimal choice in the hope that ... Example: (Brassard/Bratley) 4 matrices, d = (13, 5, 89, 3, 34) S = 1: a12 =5785. a23=1335 ...

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Greedy Algorithms (Huffman Coding) PowerPoint PPT Presentation

Greedy Algorithms (Huffman Coding) - (Huffman Coding) Slide * * Huffman Coding A technique to compress data effectively Usually between 20%-90% compression Lossless compression No information is lost ...

(Huffman Coding) Slide * * Huffman Coding A technique to compress data effectively Usually between 20%-90% compression Lossless compression No information is lost ...

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Greedy Methods PowerPoint PPT Presentation

Greedy Methods - 11/13/09. 1. Greedy Methods. Binhai Zhu. Computer Science Department, Montana State University ... quarters and dimes, then the number of quarters used the ...

11/13/09. 1. Greedy Methods. Binhai Zhu. Computer Science Department, Montana State University ... quarters and dimes, then the number of quarters used the ...

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Greedy Algorithms - A greedy algorithm makes the choice looks best at that ... Spilt the cases into: 3 or less people. 4 people. More than 4 people. Example 8: Egyptian fraction ...

A greedy algorithm makes the choice looks best at that ... Spilt the cases into: 3 or less people. 4 people. More than 4 people. Example 8: Egyptian fraction ...

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Greedy Algorithms - Title: Greedy Algorithms Author: UmaMaheswari Last modified by: David Alan Plaisted Created Date: 11/17/2003 10:10:23 AM Document presentation format

Title: Greedy Algorithms Author: UmaMaheswari Last modified by: David Alan Plaisted Created Date: 11/17/2003 10:10:23 AM Document presentation format

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16. Greedy Algorithms PowerPoint PPT Presentation

16. Greedy Algorithms - 16. Greedy Algorithms Heejin Park College of Information and Communications Hanyang University Contents Introduction An activity selection problem Elements of the ...

16. Greedy Algorithms Heejin Park College of Information and Communications Hanyang University Contents Introduction An activity selection problem Elements of the ...

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Greedy Algorithms - Greedy Algorithms. Greedy Algorithms. For some problems, dynamic programming is overkill. Greedy algorithms make the choice that's best at that moment ...

Greedy Algorithms. Greedy Algorithms. For some problems, dynamic programming is overkill. Greedy algorithms make the choice that's best at that moment ...

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Greedy technique - 86 ...

86 ...

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Knapsack Problem: Greedy vs. Brute Force PowerPoint PPT Presentation

Knapsack Problem: Greedy vs. Brute Force - Knapsack Problem: Greedy vs. Brute Force pp 313-317 (Section 7.6) Greedy Approach To solve problems you have to make decisions. At each decision point, you pick the ...

Knapsack Problem: Greedy vs. Brute Force pp 313-317 (Section 7.6) Greedy Approach To solve problems you have to make decisions. At each decision point, you pick the ...

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Greedy Algorithms - Problems also exhibit the greedy-choice property. ... w(T') = w(T) - w(x, y) w(u, v) w(T). Hence, T' is also a MST. So, (u, v) is safe for A. ...

Problems also exhibit the greedy-choice property. ... w(T') = w(T) - w(x, y) w(u, v) w(T). Hence, T' is also a MST. So, (u, v) is safe for A. ...

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Greedy Algorithms - A selection procedure, chooses the next item. A feasibility check, determines whether the decision creates a locally optimal solution ...

A selection procedure, chooses the next item. A feasibility check, determines whether the decision creates a locally optimal solution ...

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Greedy algorithms - ... problems solved through a sequence of choices that are: feasible. locally optimal. irrevocable. Not all optimization problems can be approached in this manner! ...

... problems solved through a sequence of choices that are: feasible. locally optimal. irrevocable. Not all optimization problems can be approached in this manner! ...

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Greedy Algorithm - A greedy algorithm always makes the choice that looks best at the moment ... Dynamic programming can be overkill. Greedy algorithms tend to be easier to code. 3 ...

A greedy algorithm always makes the choice that looks best at the moment ... Dynamic programming can be overkill. Greedy algorithms tend to be easier to code. 3 ...

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Greedy Algorithms - Construct subset A'ij = Aij {ak} {am} ... I.e., there is some activity ak such that fi sk fk sm fm. ... k sk fk. 5 3 8. 6 5 9. 7 6 10. 8 11. time. 0 1 2 3 ...

Construct subset A'ij = Aij {ak} {am} ... I.e., there is some activity ak such that fi sk fk sm fm. ... k sk fk. 5 3 8. 6 5 9. 7 6 10. 8 11. time. 0 1 2 3 ...

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Greedy Algorithms: - Dijkstra's. Shortest path weighted graph. Knapsack Problem ... Dijkstra's Algorithm. Finds the shortest path from a start vertex to all the other vertices ...

Dijkstra's. Shortest path weighted graph. Knapsack Problem ... Dijkstra's Algorithm. Finds the shortest path from a start vertex to all the other vertices ...

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GREEDY MONSTER PowerPoint PPT Presentation

GREEDY MONSTER - On Tuesday the monster ate two smelly socks, which hadn't been washed for a week. ... In the night the monster had a stomach ache and didn't feel well. ...

On Tuesday the monster ate two smelly socks, which hadn't been washed for a week. ... In the night the monster had a stomach ache and didn't feel well. ...

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Greedy Algorithms - ... an optimal solution is the one generated by the greedy algorithm ... Do any of these strategies work? Earliest end time Algorithm. Sort intervals by end time ...

... an optimal solution is the one generated by the greedy algorithm ... Do any of these strategies work? Earliest end time Algorithm. Sort intervals by end time ...

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chap 3 Greedy methods PowerPoint PPT Presentation

chap 3 Greedy methods - Title: chap 3 Greedy methods Author: cby Last modified by: cbyang Created Date: 1/1/1601 12:00:00 AM Document presentation format: (4:3)

Title: chap 3 Greedy methods Author: cby Last modified by: cbyang Created Date: 1/1/1601 12:00:00 AM Document presentation format: (4:3)

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Greedy technique - S has m =card A elements. The sum of elements in S is maximal. Example: Let A ... vi=di vi 1. The greedy solution, (g1,...,gm), is characterized by g1 =C DIV v1 ...

S has m =card A elements. The sum of elements in S is maximal. Example: Let A ... vi=di vi 1. The greedy solution, (g1,...,gm), is characterized by g1 =C DIV v1 ...

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Greedy Algorithms - Greedy Algorithms. Kruskal's Algorithm ... MC is value of minimum cost edge. ... h.update(w, MC ref.weight); ref = ref.next; Input Parameters: adj,start ...

Greedy Algorithms. Kruskal's Algorithm ... MC is value of minimum cost edge. ... h.update(w, MC ref.weight); ref = ref.next; Input Parameters: adj,start ...

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Greedy algorithm - Eviction schedule that minimizes number of cache misses. Ex: k = 2, initial cache = ab, ... [Bellady, 1960s] FF is optimal eviction schedule. ...

Eviction schedule that minimizes number of cache misses. Ex: k = 2, initial cache = ab, ... [Bellady, 1960s] FF is optimal eviction schedule. ...

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Greedy Algorithms - Prefix-free code requires that no code of one letter is a prefix of another. ... Find two binary tree T1 and T2 with the smallest weights. ...

Prefix-free code requires that no code of one letter is a prefix of another. ... Find two binary tree T1 and T2 with the smallest weights. ...

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Greedy Algorithm - Algorithm for optimization problems typically go through a sequence of steps, ... A problem exhibits optimal substructure if an optimal solution to the problem ...

Algorithm for optimization problems typically go through a sequence of steps, ... A problem exhibits optimal substructure if an optimal solution to the problem ...

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CHAPTER 16 Greedy Algorithms PowerPoint PPT Presentation

CHAPTER 16 Greedy Algorithms - CHAPTER 16 Greedy Algorithms In dynamic programming, the optimal solution is described in a recursive manner, and then is computed ``bottom up''.

CHAPTER 16 Greedy Algorithms In dynamic programming, the optimal solution is described in a recursive manner, and then is computed ``bottom up''.

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Greedy Algorithms - Theorem 23.1: Let (S, V-S) be any cut that respects A, and let (u, v) ... At each step, adds a light edge crossing cut (VA, V - VA) to A. ...

Theorem 23.1: Let (S, V-S) be any cut that respects A, and let (u, v) ... At each step, adds a light edge crossing cut (VA, V - VA) to A. ...

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Proximity Greedy triangulation, star of spokes PowerPoint PPT Presentation

Proximity Greedy triangulation, star of spokes - A greedy method will work (with the edges in E put into the triangulation initially), but performance is not optimum. Delaunay triangulation is not easily adapted.

A greedy method will work (with the edges in E put into the triangulation initially), but performance is not optimum. Delaunay triangulation is not easily adapted.

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Dynamic Programming Algorithms Greedy Algorithms PowerPoint PPT Presentation

Dynamic Programming Algorithms Greedy Algorithms - Dynamic Programming Algorithms Greedy Algorithms Lecture 27

Dynamic Programming Algorithms Greedy Algorithms Lecture 27

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Greedy best-first search PowerPoint PPT Presentation

Greedy best-first search - Greedy best-first search Use the heuristic function to rank the nodes Search strategy Expand node with lowest h-value Greedily trying to find the least-cost solution

Greedy best-first search Use the heuristic function to rank the nodes Search strategy Expand node with lowest h-value Greedily trying to find the least-cost solution

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The Greedy Triangle PowerPoint PPT Presentation

The Greedy Triangle - The Greedy Triangle Written by Marilyn Burns Mrs. Campbell First Grade The book The Greedy Triangle Crayons Shape Book Pencils Geoboard Smartboard ...

The Greedy Triangle Written by Marilyn Burns Mrs. Campbell First Grade The book The Greedy Triangle Crayons Shape Book Pencils Geoboard Smartboard ...

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Greedy PowerPoint PPT Presentations