def main():
global mainArray
print "Enumeration:"
for k in [100, 150, 200, 250, 300, 350, 400, 450, 500, 550]:
mainArray = randArray(k)
time = 0
tests = len(mainArray)
for j in xrange(len(mainArray)):
maxSum = 0
maxSubArray = []
array = mainArray[j]
(maxSum, maxSubArray, runTime) = algorithm1(array)
time += runTime / 10
print time / 10
print "Better Enumeration:"
for k in [1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 10000]:
mainArray = randArray(k)
time = 0
tests = len(mainArray)
for j in xrange(len(mainArray)):
maxSum = 0
maxSubArray = []
array = mainArray[j]
(maxSum, maxSubArray, runTime) = algorithm2(array)
time += runTime
print time / 10
print "Divide and Conquer:"
for k in [
20000, 40000, 60000, 80000, 100000, 120000, 140000, 160000, 180000,
200000
]:
mainArray = randArray(k)
time = 0
tests = len(mainArray)
for j in xrange(len(mainArray)):
maxSum = 0
maxSubArray = []
array = mainArray[j]
(maxSum, maxSubArray, runTime) = algorithm3(array)
time += runTime
print time / 10
print "Linear Time:"
for k in [
200000, 400000, 600000, 800000, 1000000, 1200000, 1400000, 1600000,
1800000, 2000000
]:
mainArray = randArray(k)
time = 0
tests = len(mainArray)
for j in xrange(len(mainArray)):
maxSum = 0
maxSubArray = []
array = mainArray[j]
(maxSum, maxSubArray, runTime) = algorithm4(array)
time += runTime
print time / 10
def main():
global mainArray
print "Enumeration:"
for k in [100, 150, 200, 250, 300, 350, 400, 450, 500, 550]:
mainArray = randArray(k)
time = 0
tests = len(mainArray)
for j in xrange(len(mainArray)):
maxSum = 0
maxSubArray = []
array = mainArray[j]
(maxSum, maxSubArray, runTime) = algorithm1(array)
time += runTime/10
print time/10
print "Better Enumeration:"
for k in [1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 10000]:
mainArray = randArray(k)
time = 0
tests = len(mainArray)
for j in xrange(len(mainArray)):
maxSum = 0
maxSubArray = []
array = mainArray[j]
(maxSum, maxSubArray, runTime) = algorithm2(array)
time += runTime
print time/10
print "Divide and Conquer:"
for k in [20000, 40000, 60000, 80000, 100000, 120000, 140000, 160000, 180000, 200000]:
mainArray = randArray(k)
time = 0
tests = len(mainArray)
for j in xrange(len(mainArray)):
maxSum = 0
maxSubArray = []
array = mainArray[j]
(maxSum, maxSubArray, runTime) = algorithm3(array)
time += runTime
print time/10
print "Linear Time:"
for k in [200000, 400000, 600000, 800000, 1000000, 1200000, 1400000, 1600000, 1800000, 2000000]:
mainArray = randArray(k)
time = 0
tests = len(mainArray)
for j in xrange(len(mainArray)):
maxSum = 0
maxSubArray = []
array = mainArray[j]
(maxSum, maxSubArray, runTime) = algorithm4(array)
time += runTime
print time/10
def main():
global mainArray
print "Correctness Test"
# Read the test cases from the test file and save to global 2D array
mainArray = scanInput()
totalTests = len(mainArray)
count = 0.0
for j in xrange(len(mainArray)):
maxSum = 0
array = mainArray[j]
maxSubArray = []
string = 'array #%d' % (j + 1, )
(maxSum, maxSubArray, runTime) = algorithm1(array)
outfile.write("-----------------------------------\n")
outfile.write("Algorithm 1 Results for " + string + "\n")
outfile.write("-----------------------------------\n")
outfile.write("Original Array: " + str(array) + "\n")
outfile.write("Maximum subarray: " + str(maxSubArray) + "\n")
outfile.write("Maximum sum: " + str(maxSum) + "\n\n")
print "-----------------------------------"
print "Algorithm 1 Results for " + string
print "-----------------------------------"
print "Original Array: " + str(array)
print "Max SubArray: " + str(maxSubArray)
print "Maximum Sum: " + str(maxSum)
print "Runtime: " + str(runTime) + "\n"
for j in xrange(len(mainArray)):
maxSum = 0
array = mainArray[j]
maxSubArray = []
string = 'array #%d' % (j + 1, )
(maxSum, maxSubArray, runTime) = algorithm2(array)
outfile.write("-----------------------------------\n")
outfile.write("Algorithm 2 Results for " + string + "\n")
outfile.write("-----------------------------------\n")
outfile.write("Original Array: " + str(array) + "\n")
outfile.write("Maximum subarray: " + str(maxSubArray) + "\n")
outfile.write("Maximum sum: " + str(maxSum) + "\n\n")
print "-----------------------------------"
print "Algorithm 2 Results for " + string
print "-----------------------------------"
print "Original Array: " + str(array)
print "Max SubArray: " + str(maxSubArray)
print "Maximum Sum: " + str(maxSum)
print "Runtime: " + str(runTime) + "\n"
for j in xrange(len(mainArray)):
maxSum = 0
array = mainArray[j]
maxSubArray = []
string = 'array #%d' % (j + 1, )
(maxSum, maxSubArray, runTime) = algorithm3(array)
outfile.write("-----------------------------------\n")
outfile.write("Algorithm 3 Results for " + string + "\n")
outfile.write("-----------------------------------\n")
outfile.write("Original Array: " + str(array) + "\n")
outfile.write("Maximum subarray: " + str(maxSubArray) + "\n")
outfile.write("Maximum sum: " + str(maxSum) + "\n\n")
print "-----------------------------------"
print "Algorithm 3 Results for " + string
print "-----------------------------------"
print "Original Array: " + str(array)
print "Max SubArray: " + str(maxSubArray)
print "Maximum Sum: " + str(maxSum)
print "Runtime: " + str(runTime) + "\n"
for j in xrange(len(mainArray)):
maxSum = 0
array = mainArray[j]
maxSubArray = []
string = 'array #%d' % (j + 1, )
(maxSum, maxSubArray, runTime) = algorithm4(array)
outfile.write("-----------------------------------\n")
outfile.write("Algorithm 2 Results for " + string + "\n")
outfile.write("-----------------------------------\n")
outfile.write("Original Array: " + str(array) + "\n")
outfile.write("Maximum subarray: " + str(maxSubArray) + "\n")
outfile.write("Maximum sum: " + str(maxSum) + "\n\n")
print "-----------------------------------"
print "Algorithm 2 Results for " + string
print "-----------------------------------"
print "Original Array: " + str(array)
print "Max SubArray: " + str(maxSubArray)
print "Maximum Sum: " + str(maxSum)
print "Runtime: " + str(runTime) + "\n"
def main():
global mainArray
print "Correctness Test"
# Read the test cases from the test file and save to global 2D array
mainArray = scanInput()
totalTests = len(mainArray)
count = 0.0
for j in xrange(len(mainArray)):
maxSum = 0
array = mainArray[j]
maxSubArray = []
string = 'array #%d' % (j+1,)
(maxSum, maxSubArray, runTime) = algorithm1(array)
outfile.write("-----------------------------------\n")
outfile.write("Algorithm 1 Results for " + string + "\n")
outfile.write("-----------------------------------\n")
outfile.write("Original Array: " + str(array) + "\n")
outfile.write("Maximum subarray: " + str(maxSubArray) + "\n")
outfile.write("Maximum sum: " + str(maxSum) + "\n\n")
print "-----------------------------------"
print "Algorithm 1 Results for " + string
print "-----------------------------------"
print "Original Array: " + str(array)
print "Max SubArray: " + str(maxSubArray)
print "Maximum Sum: " + str(maxSum)
print "Runtime: " + str(runTime) + "\n"
for j in xrange(len(mainArray)):
maxSum = 0
array = mainArray[j]
maxSubArray = []
string = 'array #%d' % (j+1,)
(maxSum, maxSubArray, runTime) = algorithm2(array)
outfile.write("-----------------------------------\n")
outfile.write("Algorithm 2 Results for " + string + "\n")
outfile.write("-----------------------------------\n")
outfile.write("Original Array: " + str(array) + "\n")
outfile.write("Maximum subarray: " + str(maxSubArray) + "\n")
outfile.write("Maximum sum: " + str(maxSum) + "\n\n")
print "-----------------------------------"
print "Algorithm 2 Results for " + string
print "-----------------------------------"
print "Original Array: " + str(array)
print "Max SubArray: " + str(maxSubArray)
print "Maximum Sum: " + str(maxSum)
print "Runtime: " + str(runTime) + "\n"
for j in xrange(len(mainArray)):
maxSum = 0
array = mainArray[j]
maxSubArray = []
string = 'array #%d' % (j+1,)
(maxSum, maxSubArray, runTime) = algorithm3(array)
outfile.write("-----------------------------------\n")
outfile.write("Algorithm 3 Results for " + string + "\n")
outfile.write("-----------------------------------\n")
outfile.write("Original Array: " + str(array) + "\n")
outfile.write("Maximum subarray: " + str(maxSubArray) + "\n")
outfile.write("Maximum sum: " + str(maxSum) + "\n\n")
print "-----------------------------------"
print "Algorithm 3 Results for " + string
print "-----------------------------------"
print "Original Array: " + str(array)
print "Max SubArray: " + str(maxSubArray)
print "Maximum Sum: " + str(maxSum)
print "Runtime: " + str(runTime) + "\n"
for j in xrange(len(mainArray)):
maxSum = 0
array = mainArray[j]
maxSubArray = []
string = 'array #%d' % (j+1,)
(maxSum, maxSubArray, runTime) = algorithm4(array)
outfile.write("-----------------------------------\n")
outfile.write("Algorithm 2 Results for " + string + "\n")
outfile.write("-----------------------------------\n")
outfile.write("Original Array: " + str(array) + "\n")
outfile.write("Maximum subarray: " + str(maxSubArray) + "\n")
outfile.write("Maximum sum: " + str(maxSum) + "\n\n")
print "-----------------------------------"
print "Algorithm 2 Results for " + string
print "-----------------------------------"
print "Original Array: " + str(array)
print "Max SubArray: " + str(maxSubArray)
print "Maximum Sum: " + str(maxSum)
print "Runtime: " + str(runTime) + "\n"
