Question: Which type of variable is total and what is it used for? void countUp() { int total = 0; for (int……

Which type of variable is total and what is it used for?

void countUp()
{
int total = 0;
for (int i = 0; i < 100; i++)
{
std::cout << i<< std::endl;
total = total + i;
}

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A. An accumulator variable. It is used to store the sum of all i values
B. A counter variable. It is used to determine the number of times the loop will repeat.

Expert Answer

Answer is A. It is an accumulator variable which stores the sum of all values.

The statement “total = total + i”, sums the current iteration value with the old cumulative value of all the iteration values that were completed before this current iteration value.

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