added graphs and code

graph1.txt

@@ -0,0 +1,7 @@
+4
+0 1 0 1
+1 0 1 1
+0 1 0 1
+1 1 1 0
+1 0 -1 0
+Dimension of matrix: 

graph2.txt

@@ -0,0 +1,10 @@
+8
+0 1 0 1 1 0 0 0
+1 0 1 0 0 1 0 0
+0 1 0 1 0 0 1 0
+1 0 1 0 0 0 0 1
+1 0 0 0 0 1 0 1
+0 1 0 0 1 0 1 0
+0 0 1 0 0 1 0 1
+0 0 0 1 1 0 1 0
+0 -1 0 1 0 -1 0 1

graph3.txt

@@ -0,0 +1,7 @@
+5
+0 1 1 0 0
+1 0 1 1 0
+1 1 0 0 1
+0 1 0 0 1
+0 0 1 1 0
+1 0 0 -0.5 -0.5

mingraph.py

@@ -0,0 +1,39 @@
+import sys
+
+def getMatrix():
+	dim = int(raw_input())
+	mat = []
+
+	for col in range(dim):
+		row = [int(x) for x in raw_input().split()]
+		if len(row) != dim:
+			print('Invalid row')
+			return
+		mat.append(row)
+
+	return mat
+
+def getWeights():
+	return [float(x) for x in raw_input().split()]
+
+def calcScore(matrix, weights):
+	distSum = 0
+	for i in range(len(matrix)):
+		for j in range(i, len(matrix)):
+			if matrix[i][j] == 1:
+				distSum += (weights[i] - weights[j])**2
+
+	weightSum = 0.0
+	for i in range(len(weights)):
+		weightSum += weights[i]**2
+
+	return distSum / weightSum
+
+def main():
+	matrix = getMatrix()
+	weights = getWeights()
+	score = calcScore(matrix, weights)
+	print('Your score is ' + str(score))
+
+if __name__ == '__main__':
+	main()