Added outline for presentation

presentation.txt

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+outline:
+1. Describe the problem:
+    a. normal explanation of problem.
+    b. constraints and their priorities.
+    c. impact of this problem in real time, eg. millions of dollars can
+        be saved by having efficient soln.
+    d. the general methods of solving this; eg. linear programming and
+        heuristic approaches in it, ant colonization and why these fail.
+2. Our Solution
+    a. Use TSP as we want to minimise cost eventually(explain TSP too).
+    b. Problem in using TSP though, is its bad time complexity.
+    c. Hence use clustering to improve time; explain the derivation
+    d. This serves another purpose as well i.e bus size and percent occupancy,
+        how: assign 1 bus for each cluster and run TSP for that cluster
+    e. Now we have to make sure size of each cluster is >85% of bus cap
+        and number of clusters is <= total number of buses available,
+        to handle this, explain the process given by Chaithanya.
+    f. To handle time window, run TSP on weighted graph, alpha beta
+        method
+