Commit 3449138d38a0ce49b327704a175db1908529a8d7
1 parent
28c8dda0
Set 17 to executable. Added problem 18
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3 changed files
with
95 additions
and
0 deletions
17.py
100644 → 100755
18.data
0 → 100644
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| 5 | +20 04 82 47 65 | ||
| 6 | +19 01 23 75 03 34 | ||
| 7 | +88 02 77 73 07 63 67 | ||
| 8 | +99 65 04 28 06 16 70 92 | ||
| 9 | +41 41 26 56 83 40 80 70 33 | ||
| 10 | +41 48 72 33 47 32 37 16 94 29 | ||
| 11 | +53 71 44 65 25 43 91 52 97 51 14 | ||
| 12 | +70 11 33 28 77 73 17 78 39 68 17 57 | ||
| 13 | +91 71 52 38 17 14 91 43 58 50 27 29 48 | ||
| 14 | +63 66 04 68 89 53 67 30 73 16 69 87 40 31 | ||
| 15 | +04 62 98 27 23 09 70 98 73 93 38 53 60 04 23 |
18.py
0 → 100755
| 1 | +#!/usr/bin/python | ||
| 2 | + | ||
| 3 | +import sys | ||
| 4 | +import pdb | ||
| 5 | + | ||
| 6 | +class Node: | ||
| 7 | + parentNodes = [] | ||
| 8 | + childNodes = [] | ||
| 9 | + weight = 0 | ||
| 10 | + value = 0 | ||
| 11 | + | ||
| 12 | + def __init__(self,value): | ||
| 13 | + self.value = value | ||
| 14 | + | ||
| 15 | + def calcWeight(self): | ||
| 16 | + maxWeight = 0 | ||
| 17 | + for node in self.parentNodes: | ||
| 18 | + weight = node.weight + node.value | ||
| 19 | + if(weight > maxWeight): | ||
| 20 | + maxWeight = weight | ||
| 21 | + self.weight = maxWeight | ||
| 22 | + | ||
| 23 | + def __str__(self): | ||
| 24 | + return str(self.value) | ||
| 25 | + | ||
| 26 | + | ||
| 27 | +targetNode = None | ||
| 28 | + | ||
| 29 | +nodeMap = [] | ||
| 30 | + | ||
| 31 | +def buildNodeMap(nodeMap): | ||
| 32 | + for i in range(0,len(nodeMap)): | ||
| 33 | + for j in range(0,len(nodeMap[i])): | ||
| 34 | + node = nodeMap[i][j] | ||
| 35 | + | ||
| 36 | + if(i != len(nodeMap)-1): | ||
| 37 | + node.childNodes.append(nodeMap[i+1][j]) | ||
| 38 | + node.childNodes.append(nodeMap[i+1][j+1]) | ||
| 39 | + | ||
| 40 | + if(i != 0): | ||
| 41 | + if(j == 0): | ||
| 42 | + node.parentNodes.append(nodeMap[i-1][j]) | ||
| 43 | + elif(j == len(nodeMap[i])-1): | ||
| 44 | + node.parentNodes.append(nodeMap[i-1][j-1]) | ||
| 45 | + else: | ||
| 46 | + node.parentNodes.append(nodeMap[i-1][j]) | ||
| 47 | + node.parentNodes.append(nodeMap[i-1][j-1]) | ||
| 48 | + | ||
| 49 | + | ||
| 50 | +def dijkstraReverse(nodeMap): | ||
| 51 | + for row in nodeMap: | ||
| 52 | + for node in row: | ||
| 53 | + node.calcWeight() | ||
| 54 | + | ||
| 55 | +numRow = 0 | ||
| 56 | +for line in sys.stdin: | ||
| 57 | + nodeMap.append([]) | ||
| 58 | + for elem in line.split(): | ||
| 59 | + nodeMap[numRow].append(Node(int(elem))) | ||
| 60 | + numRow += 1 | ||
| 61 | + | ||
| 62 | +pdb.set_trace() | ||
| 63 | + | ||
| 64 | +buildNodeMap(nodeMap) | ||
| 65 | +nodeMap.append([]) | ||
| 66 | +targetNode = Node(0) | ||
| 67 | +for node in nodeMap[-2]: | ||
| 68 | + targetNode.parentNodes.append(node) | ||
| 69 | + | ||
| 70 | +nodeMap[-1].append(targetNode) | ||
| 71 | + | ||
| 72 | +for row in nodeMap: | ||
| 73 | + string = "" | ||
| 74 | + for node in row: | ||
| 75 | + string += str(node) + " " | ||
| 76 | + print string | ||
| 77 | + | ||
| 78 | +dijkstraReverse(nodeMap) | ||
| 79 | + | ||
| 80 | +print "Result is: " + str(targetNode.weight) |