Question
Calculate the running time for each of these 4 pieces of code: Thanks Code 1: int maxSubSum4(const vector & array1) { int maxSum = 0,
Calculate the running time for each of these 4 pieces of code:
Thanks
Code 1:
int maxSubSum4(const vector
{
int maxSum = 0, thisSum = 0;
for (int j = 0; j < array1.size(); j++)
{
thisSum += array1[j];
if (thisSum > maxSum)
maxSum = thisSum;
else if (thisSum < 0)
thisSum = 0;
}
return maxSum;
}
Code 2: int maxSubSum3(const vector
{
return maxSumRec(array1, 0, array1.size() - 1);
}
Code 3:
int maxSubSum2(const vector
{
int maxSum = 0;
for (int i = 0; i < array1.size(); i++)
{
int thisSum = 0;
for (int j = i; j < array1.size(); j++)
{
thisSum += array1[j];
if (thisSum > maxSum)
maxSum = thisSum;
}
}
return maxSum;
}
Code 4:
int maxSubSum1(const vector
{
int maxSum = 0;
for (int i = 0; i < array1.size(); i++)
for (int j = i; j < array1.size(); j++)
{
int thisSum = 0;
for (int k = i; k <= j; k++)
thisSum += array1[k];
if (thisSum > maxSum)
maxSum = thisSum;
}
return maxSum;
}
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